94420 + Interview Questions in Chemistry in Class 12

1.	Complexes [Co(NH_(3))_(5)SO_(4)]Br and Co(NH_(3))_(5)Br]SO_(4) can be distinguised by :
Answer» conductance MEASUREMENT using `BaCl_(2)` using `AgNO_(3)` all of these Answer :D

Discussion

2.	Complex which have minimum number of metal-nitrogen linkage:
Answer» `[overset(II)Ni(EDTA)^(2-)]` `[overset(III)Co(Gly)_(3)]^(0)` `[Pt("nitrito-N")_(4)]^(2-)` `[overset(III)Cr(en)_(3)]^(3+)` Solution :With `[EDTA]^(-4)`LIGAND, only TWO metal-nitrogen linkage are present.

Discussion

3.	Complexation is shown by :
Answer» Ag Au Cu All Answer :D

Discussion

4.	Complex which has maximum stereo isomers : where to AA to Symmetrical bidented ligandAB to unsymmetrical bidented ligand a, b, c, d, e, f - Monodented ligand
Answer» [M(AA)abcd] [M(AB)abcd] [M ABCDEF] [M(AB)A2B2] Answer :C

Discussion

5.	Complex of HgCo.4SCN has two isomers XgtY then, which of the following option is incorrect ?
Answer» X and Y are DIFFERENT in structure Oxidation of `Hg and Co` are same in both the complex X and `Delta_(0)ltP` both have same hybridisation. Solution :`OVERSET(+2)Hg[overset(+2)Co(SCN)_(4)],overset(+2)Hg[overset(+2)Co(NCS)_(4)],SCN^(-) "is a "W.F.L." while " NCS^(-)"is a " S.F.L.`

Discussion

6.	Complex lipids.
Answer» Solution :Complex LIPIDS are the esters of long chain FATTY ACIDS and can be HYDROLYSED.

Discussion

7.	Complex lipids contains
Answer» PHOSPHORIC acid phosphorousacid hyphophosphoric acid metaphosphoric acid Answer :A

Discussion

8.	Complex ions [NiCl_(6)]^(4-),[Ni(CN)_(6)]^(4-) similar in their given properties:
Answer» OXIDATION state, geometryq co-ordination number, EAN magnetic MOMENT, geometry stability, colour Answer :A::B::C

Discussion

9.	Complex ion [FeN_(3)(O_(2))(SCN)_(4)]^(4-) is maned as : (coordination number of central metal ion in complex is six)
Answer» Azidosuperoxidotetrathiocyanato-S-ferrate(II) Azidoperoxidotetrathiocyanatoferrate(III) Azidoperoxidotetrathiocyanato-S-ferrate(II) Azidodioxidotetrathiocyanato-S-ferrate(III) SOLUTION :`[overset(+2)(Fe)overset(-1)(N_(3))overset(-1)(O_(2))overset(-4)(SCN)_(4)]^(4-)`

Discussion

10.	Complex ion.
Answer» Solution :A COORDINATION ionic compound which is an electrically CHARGED ion carrying positive or negative charge and formed by coordinate COVALENT bonds between central metal atom or metal ion and number of anions or neutral molecules (ligands) surrounding it is called a complex ion. For EXAMPLE, `[Cu(NH_(3))_(4)]^(2+)`

Discussion

11.	Complex in which effective atomic number is not equal to atomic number of the noble gas
Answer» `[NI(CN)_4]^(2-)` `[Fe(CN)_6]^(4-)` `[Ni(CO)_4]` `[Co(NH_3)_6]^(3+)` Answer :A

Discussion

12.	Complex forming tendency increases with:
Answer» INCREASE in SIZE of cation Decrease in size of cation Increase in size of anion None Answer :B

Discussion

13.	Complex formation or cyanide method is used for the extraction of
Answer» Cu Fe Hg Ag Solution :Complex formation or CYANIDE METHOD is USED for the extraction of .Ag.. .AU..

Discussion

14.	Complex formation or cyanide method is used for the extraction of :
Answer» Cu Fe Hg Ag Answer :D

Discussion

15.	Complex compounds(s) which is optical active and does ot dpeend upon the orientation of the ligands around metal cation: (i) [CoCl_(3)(NH_(3))_(3)] (ii) [Co(en)_(3)]Cl_(3) (iii) [Co(C_(2)O_(4))_(2)(NH_(3))_(2)]^(-) (iv) [CrCl_(2)(NH_(3))_(2)(en)]^(+)
Answer» (ii), (iii) and (IV) (i), (ii) and (iv) (ii) and (iv) only (ii) Solution : Hence, orientation of LIGANDS DETERMINE asymmetric nature of the COMPLEX.

Discussion

16.	Complex fertilizer is that supplies to the soil:
Answer» S, K and N N,K and P S,K and P S and N Answer :B

Discussion

17.	Complex compounds which have same molecular formula but have different structural arrangements of ligands around central metal atom or ion are called structural isomers and phenomenon is named as structural isomerism. Which of the following compounds is/are polymerisation isomerof [Fe(NO_(2))_(3)(NH_(3))_(3)]. (P) [Fe(NO_(2))(NH_(3))_(5)][Fe(NO_(2))_(5)(NH_(3))] (Q) [Fe(NO_(2))_(2)(NH_(3))_(4)]_(2)[Fe(NO_(2))_(5)(NH_(3))] (R ) [Fe(NO_(2))(NH_(3))_(5)][Fe(NO_(2))_(4)(NH_(3))_(2)]_(2) (S) [Fe(NO_(2))_(2)(NH_(3))_(4)][Fe(NO_(2))_(4)(NH_(3))_(2)] Choose the correct code :
Answer» Q, R Q, R, S P, S P, Q, R, S Answer :D

Discussion

18.	Complex compounds that have the same molecular formula but have different structural/space arrangements of ligands around central metal atom/ion are called isomers, these are of two types namely structural and stereoisomers. Q. Complex species that exhibits isomerism is:
Answer» `[AG(NH_(3))_(2)]^(+)` `[CO(NO_(2))(NH_(3))_(5)]^(2+)` `[PtCl_(2)(en)]` `[CoCl(NH_3)_(5)]^(2-)` ANSWER :B

Discussion

19.	Complex compounds which have same molecular formula but have different structural arrangements of ligands around central metal atom or ion are called structural isomers and phenomenon is named as structural isomerism. Select incorrect match :
Answer» `[CO(NO_(2))(H_(2)O)(EN)_(2)]Cl_(2), [CoCl(NO_(2))(en)_(2)]Cl.H_(2)O-"Hydrate isomerism"` `[Cu(NH_(3))_(4)][PtCl_(4)],[CuCl_(2)(NH_(3))_(2)][PtCl_(2)(NH_(3))_(2)]-" Coordination isomerism"` `[Ni(CN)(H_(2)O)(NH_(3))_(4)]Cl,[NICL(H_(2)O)(NH_(3))_(4)]CN-" Ionization isomeris"` `[Cr(NCS)(NH_(3))_(5)][ZnCl_(4)], [Cr(SCN)(NH_(3))_(5)][ZnCl_(4)]-" Linkage isomerism"` Answer :B

Discussion

20.	Complex compounds which have same molecular formula but have different structural arrangements of ligands around central metal atom or ion are called structural isomers and phenomenon is named as structural isomerism. How many more coordination isomers are possible of the following complex compound. [PtCl_(2)(NH_(3))_(4)][Pt(SCN)_(4)]
Answer» 5 6 8 9 Solution :`[overset(+4)(Pt)Cl_(2)(NH_(3))_(4)][overset(+2)(Pt)(SCN)_(4)]`

Discussion

21.	Complex compounds that have the same molecular formula but have different structural/space arrangements of ligands around central metal atom/ion are called isomers, these are of two types namely structural and stereoisomers. Q. Type of isomerism exhibited by [CrCl_(2)(NO)_(2))_(2)(NH_(3))_(2)]^(-) complex ion are:
Answer» IONISATION optical hydrate, optical geometrical, opticl co-ordinate, geometrical Answer :C

Discussion

22.	Complex compounds that have the same molecular formula but have different structural/space arrangements of ligands around central metal atom/ion are called isomers, these are of two types namely structural and stereoisomers. Q. Which of the following is different among structural isomers?
Answer» OXIDATION state Co-ordination number IUPAC name None of these Answer :C

Discussion

23.	Complex compound(s) having even number of space (stereo) isomer is/are: (Where AA-symmetrical bidentate ligand and a,b,c,d,e-monodentate ligands)
Answer» `[M(A A)_(2)b_(2)]^(N+-)` `[Ma_(3)b_(3)]n^(+-)` `[Ma_(3)BDC]^(n+-)` `[Ma_(2)BCDE]^(n+-)` Answer :C

Discussion

24.	Complex compounds of transition metals are familier, but not inner transition elements. Why?
Answer» Solution :Transition METAL IONS have EMPTY d-orbitals. Because the ions are small and highly CHARGED the complex compounds formed are STABLE. Inner transition metal ions have empty f-orbitals. The ions are large and hence the complex compounds formed are relatively less stable.

Discussion

25.	Complex compounds can exhibit isomerism like structural and stereo. The complexes containing coordination No. 1, 2, 3 cannot exhibit geometrical isomerism. Geometrical and optical isomerism is common in the complex having coordination number 4 and 6 Ma,b, shows facial and meridonial isomerism. The two compounds pentam mine sulphato cobalt(III) bromide and Pentaammine sulphato cobalt (III) chloride represent
Answer» LINKAGE isomerism ionisation isomerism coordination isomerism no isomerism Solution :`[Ma_(5)B]^(nmp)` cannot EXHIBIT isomerism.

Discussion

26.	Complex compounds can exhibit isomerism like structural and stereo. The complexes containing coordination No. 1, 2, 3 cannot exhibit geometrical isomerism. Geometrical and optical isomerism is common in the complex having coordination number 4 and 6 Ma,b, shows facial and meridonial isomerism. [Co(NH_(3))_(5)(NO_(2))]Cl_(2)and[Co(NH_(3))_(5)ONO]Cl_(2) are
Answer» LINKAGE isomers ionisation isomers coordinate isomers geometrical isomers Solution :AMBIDENTATE LIGANDS, an GIVE linkage isomers.

Discussion

27.	Complex compounds are molecular compounds which retain their indentities even when dissolved in water. They do not give all the simple ions in solution but instead furnish complex ions. The complex compounds are often called coordination compounds because certain groups called ligands are attached to the central metal ion by coordinate or dative bonds. Coordination compounds exhibit isomerism, both structural and stereoisomerism. The struculre, magnetic property, colour and electrical properties of complexes are explained by various theories. The oxidation number, coordination number and magnetic moment in the following complex Na_(3)[Cr(CN)_(6)] is :
Answer» `O.N=+3,C.N.=6,M.M.=SQRT(15)BM` O.N = -1, C.N. = 6, M.M. = `sqrt(15)BM` O.N = +3, C.N. = 6, M.M. = `sqrt(3)BM` 0,= +3, CN. = 6, MM. = `sqrt(12)BM` SOLUTION :In `[Cr(CN)_(6)]^(3-)`, the metal ATOM will have 3 unpaired ELECTRONS `(d^(2)sp^(3))mu=sqrt(n(n+1))Bm`

Discussion

28.	Complex compounds can exhibit isomerism like structural and stereo. The complexes containing coordination No. 1, 2, 3 cannot exhibit geometrical isomerism. Geometrical and optical isomerism is common in the complex having coordination number 4 and 6 Ma,b, shows facial and meridonial isomerism. Number of geometrical isomers posible for complex [Pt(NH_(3))(Py)(Cl)(Br)] is
Answer» 2 3 1 4 Solution :[M a b C d] can given 3 GEOMETRICAL ISOMERS.

Discussion

29.	Complex compounds are molecular compounds which retain their indentities even when dissolved in water. They do not give all the simple ions in solution but instead furnish complex ions. The complex compounds are often called coordination compounds because certain groups called ligands are attached to the central metal ion by coordinate or dative bonds. Coordination compounds exhibit isomerism, both structural and stereoisomerism. The struculre, magnetic property, colour and electrical properties of complexes are explained by various theories. which of the following pairs, both the complexes have the same geometry?
Answer» `[NiCl_(4)]^(-2),[Ni(CN)_(4)]^(-2)` `[CoF_(6)]^(-3),[Co(NH_(3))_(6)]^(+3)` `[Ni(CO)_(4)],[Ni(CN)_(4)]^(-2)` `[CU(NH_(3))_(4)]^(+),[Ni(NH_(3))_(4)]^(+2)` SOLUTION :`[CoF_(6)]^(3-) and [Co(NH_(3))_(6)]^(3+)` have octabedral gemoetry.

Discussion

30.	Complex compounds are molecular compounds which retain their identities even when dissolved in water. They do not give all the simple ions in solution but instead furnish complex ions. The complex compounds are often called coordination compounds because certain groups called ligands are attached to the central metal ion by coordinate or dative bonds. coordination compounds exhibit isomerism, both structural and stereoisomerism. the structure, magnetic property, colour and electrical properties of complexes are explained by various theories: Q. In which of the following pairs, both the complexes have the same geometry?
Answer» `[NiCl_(4)]^(2-),[Ni(CN)_(4)]^(2-)` `[CoF_(6)]^(3-),[Co(NH_(3))_(6)]^(3+)` `[Ni(CO)_(4)],{Ni(CN)_(4)]^(2-)` `[CU(NH_(3))_(4)]^(+),[Ni(NH_(3))_(4)]^(2+)` Answer :B

Discussion

31.	Complex compounds are molecular compounds which retain their indentities even when dissolved in water. They do not give all the simple ions in solution but instead furnish complex ions. The complex compounds are often called coordination compounds because certain groups called ligands are attached to the central metal ion by coordinate or dative bonds. Coordination compounds exhibit isomerism, both structural and stereoisomerism. The struculre, magnetic property, colour and electrical properties of complexes are explained by various theories. Arrange the following compounds in order of of their molar conductance : i) K[Co(NO_(2))_(4)(NH_(3))_(2)] ii) [Cr(ONO)_(3)(NH_(3))_(3)] iii) [Cr(NO_(2))(NH_(3))_(5)]_(3)[Co(NO_(2))_(6)]_(2)iv) Mg[Cr(NO_(2))_(5)(NH_(3))]
Answer» `iiltivltiltiii` `iltiiltiiiltiv` `iiltiltiiiltiv` `ivltiiiltiilti` SOLUTION :No. of IONS `PROP` MOLAR CONDUCTANCE.

Discussion

32.	Complex compounds are molecular compounds which retain their identities even when dissolved in water. They donot give all the simple ions in solution but instead finish complex ions. The structure, magnetic property, colour and electrical properties of complex are explained by various theories The Ox.No, CN and magnetic moment in the following complex is [Cr(C_(2)O_(4))_(2)(NH_(3))_(2)]^(-)
Answer» `+3,6sqrt15BM` `-1,6sqrt15BM` `+3,6sqrt3BM` `+3,6sqrt12BM` Solution :No. of `Crto+3` CN of `Crto6` `mu=sqrt(3(3+2))BM=sqrt(15)BM""("":.Cr^(3+)` has 3 UNPAIRED electrons)

Discussion

33.	Complex compounds are molecular compounds which retain their identities even when dissolved in water. They do not give all the simple ions in solution but instead furnish complex ions. The complex compounds are often called coordination compounds because certain groups called ligands are attached to the central metal ion by coordinate or dative bonds. coordination compounds exhibit isomerism, both structural and stereoisomerism. the structure, magnetic property, colour and electrical properties of complexes are explained by various theories: Q. The oxidation number, coordination number and magnetic moment in the following complex is: [Cr(C_(2)O_(4))_(2)(NH_(3))_(2)^(-)]
Answer» O.N.=+3,C.N.=6, M.M.=`SQRT(15)BM` O.N.=-1, C.N.=6, M.M.=`sqrt(15)BM` O.N.=+3, C.N.=6, M.M=`sqrt(3)BM` O.N.+3,C.N.=6, M.M.=`sqrt(12)BM` Answer :A

Discussion

34.	Complex compounds are molecular compounds which retain their identities even when dissolved in water. They do not give all the simple ions in solution but instead furnish complex ions. The complex compounds are often called coordination compounds because certain groups called ligands are attached to the central metal ion by coordinate or dative bonds. coordination compounds exhibit isomerism, both structural and stereoisomerism. the structure, magnetic property, colour and electrical properties of complexes are explained by various theories: Q. Arrange the following compounds in order of their molar conductance: (i) K[Co(NO_(2))_(4)(NH_(3))_(2)] (ii) [Cr(ONO)_(3)(NH_(3))_(2)] (iii) [Cr(NO_(2))(NH_(3))_(5)]_(3)[Co(NO_(2))_(6)]_(2) (iv) Mg[Cr(NO_(2))_(5)(NH_(3))]
Answer» `(II) LT (i) lt (IV) lt (III)` `(i) lt (ii) lt (iii) lt (iv)` `(ii) lt (i) lt (iii) lt (iv)` `(iv) lt (iii) lt (ii) lt (i)` ANSWER :A

Discussion

35.	Complex compound is made up of
Answer» SIMPLE CATION and COMPLEX anion complex cation and simple anion complex cation and complex anion all of these Answer :D

Discussion

36.	Complex compound [Cr(NCS)(NH_(3))_(5)][ZnCl_(4)] will be :
Answer» Colourless and DIAMAGNETIC GREEN COLOURED and diamagnetic Green coloured and shows coordination isomerism Diamagnetic and shows LINKAGE isomerism Solution :Complex is paramagnetic.

Discussion

37.	Complex compound [Cr(NCS)(NH_(30)_(5)][ZnCl_(4)] will be,
Answer» colourless and diamagnetic greenn coloured and diamagnetic green coloured and shows coordination ISOMERISM diamagnetic and shows linkage isomerism Solution :Due to the cationic PART of the complex, it is green, because there are three UNPAIRED electrons in `t_(2g)` orbitals of `Cr^(3+)` cation, both cationic and anionic part are complex ions, hence, coordination isomerism will be exhibited by it.

Discussion

38.	Complex compound [Co(SCN)_(2)(NH_(3))_(4)]Cl exhibits:
Answer» IONIZATION isomerism Geometrical isomerism Optical isomerism Linakge isomerism Answer :A::B::D

Discussion

39.	Complex compound are molecular compounds which rectain their identities even when dissolved in water. They do not give all the simple ions in solution but instead furnish complex ions with complicated structures. The complex compounds are often called coordination compounds because certain groups called ligands are attached to the central metal ion by coordinate or dative bonds. Coordination compounds exhibit isomerism, both structural and stereoisomerism. The structure, magnetic property, colour and electrical properties of complexes are explained by various theories. In which of the following pairs, both the complexes have the same geometry but different hybridisation ?
Answer» `K_(2)[NiCl_(4)],K_(2)[Ni(CN)_(4)]` `Na_(3)[CoF_(6)],[Co(NH_(3))_(6)]Cl_(3)` `Ni(CO)_(4),K_(2)[Ni(CN)_(4)]` `[Cu(NH_(3))_(4)]SO_(4),[Ni(NH_(3))_(6)]Cl_(2)` Solution :(b)`CoF_(6)^(3-) impliessp^(3)d^(2),Co(NH_(3))_(6)^(3+) impliesd^(2)sp^(3)`.

Discussion

40.	Complex compound are molecular compounds which rectain their identities even when dissolved in water. They do not give all the simple ions in solution but instead furnish complex ions with complicated structures. The complex compounds are often called coordination compounds because certain groups called ligands are attached to the central metal ion by coordinate or dative bonds. Coordination compounds exhibit isomerism, both structural and stereoisomerism. The structure, magnetic property, colour and electrical properties of complexes are explained by various theories. The oxidation number and coordination number and EAN of chromium in the following complex is : [Cr(C_(2)O_(4))_(2)(NH_(3))_(2)]^(-1)
Answer» `O.N.=+4, C.N.=4" and "EAN=36` `O.N.=+3, C.N.=4" and "EAN=36` `O.N.=-1, C.N.=4" and "EAN=33` `O.N.=+3, C.N.=6" and "EAN=33` Solution :`[OVERSET(+3)(CR)(C_(2)overset(-4)O_(4))_(2)(Noverset(0)H_(3))_(2)]^(-1),"EAN"=24-3+12=33`

Discussion

41.	Complex compound are molecular compounds which rectain their identities even when dissolved in water. They do not give all the simple ions in solution but instead furnish complex ions with complicated structures. The complex compounds are often called coordination compounds because certain groups called ligands are attached to the central metal ion by coordinate or dative bonds. Coordination compounds exhibit isomerism, both structural and stereoisomerism. The structure, magnetic property, colour and electrical properties of complexes are explained by various theories. Arrange the following compounds in order of their Molar conductance : (P) K[Co(NO_(2))_(4)(NH_(3))_(4)(NH_(3))_(2)]"" (Q) {Cr(ONO)_(3)(NH_(3))_(3)] (R ) [Cr(NO_(2))(NH_(3))_(5)]_(3)[Co(NO_(2))_(6)]_(2) (S) Mg[Cr(NO_(2))_(5)(NH_(3))]
Answer» <P>`Q LT P lt S lt R` `P lt Qlt R lt S` `Qlt P ltR lt S` ` S lt R lt Qlt P ` Solution :R' GIVES maximum NUMBER of IONS.

Discussion

42.	Complex/complex ion 'x' is the most stable amongest following. Then 'x' must be
Answer» `Fe(CO)_(5)` `[Fe(CN)_(6)]^(-3)` `[Fe(C_(2)O_(4))_(4)]^(-3)` `[Fe(H_(2)O_(6))]^(+3)` SOLUTION :`C_(2)O_(4)^(2-)ltH_(2)OltCN^(-)LTCO`

Discussion

43.	Complex [CoCl_(2)(en)_(2)]^(+) can
Answer» exist as cis and TRANS ISOMERS exist as pair of optical isomers both are CORRECT NONE is correct. Answer :C

Discussion

44.	Complex (a) Na_(2)[Fe(CN)_(5)NO] (b) [Fe(H_(2)O)_(5)NO]SO_(4) (c ) K_(4)[Fe(CN)_(6)] Which of the following statement are wrong ?
Answer» (a) is USED in detation of `S^(2-)` complex part of each compound in octahedral (C) is used in detection of `Fe^(3+)` O.S. of Fe in (a) and (B) is +1 Answer :D

Discussion

45.	Completion of diazotisation can be checked with
Answer» starch paper starch -KI paper litmus paper `K_(2)Cr_(2)O_(7)` paper. Solution :Completion of diazotisation can be checked with starch- KI paper. Excess of `HNO_(2)` in the REACTION mixture oxidises KI to `I_(2)` which turns starch blue.

Discussion

46.	Complete the the following reaction? (i) BrF_(5)overset(OH^(Theta))rarr? (ii) IC l overset(OH^(Theta))rarr ?
Answer» SOLUTION :(i) `BrF_(5)overset(OH^(Theta))rarr 5F^(Theta)+underset("(Bromate ion)")(BrO_(3)^(Theta))` (II) `IC l overset(OH^(Theta))rarr Cl^(Theta)+underset("(Hypoiodite ion)")(OI^(Theta))`

Discussion

47.	Complete the reactions with appropriate products. CH_(3)CHO+NH_(2)OH to X (i)CH_(3)CHO+NH_(2)OH to X (ii) CH_(2)=CH_(2)+PdCl_(2)+H_(2)O overset(CuCl_(2)) to Y (iii) CH_(3)CH_(2)CH_(2)CH_(2)OH overset(CrO_(3)-H_(2)SO_(4))to Z
Answer» `X=CH_(3)CH=NOH, Y=CH_(3)CHO, Z=CH_(3)CH_(2)CH_(2)COOH` `X=CH_(3)CH_(2)NH_(2), Y=CH_(3)CH_(2)CHO, Z=CH_(3)CH_(2)CH_(2)COOH` `X=CH_(3)CONH_(2), Y=HCHO, Z=CH_(3)COCH_(3)` `X=CH_(3)C-=N, Y=CH_(3)CHO, Z=HCOOH` ANSWER :A

Discussion

48.	Complete the sentence----- The Rio Summit recommended a list of development practices called---------.
Answer» SOLUTION :AGENDA 21

Discussion

49.	Complete the reactions : R-CH_2-OHoverset(cu)underset(300^(@)C)to
Answer» SOLUTION :`R-CHO+H_2`

Discussion

50.	Complete the reactions, (i) HgO overset(Delta)rarr? (ii) BaO_(2)overset(Delta)rarr?
Answer» Solution :(i) `HgOoverset(DELTA)rarr 2Hg+O_(2)` (II) `2BaO_(2)overset(Delta)rarr 2BaO+O_(2)`

Discussion

Explore topic-wise InterviewSolutions in Current Affairs.

Complexes [Co(NH_(3))_(5)SO_(4)]Br and Co(NH_(3))_(5)Br]SO_(4) can be distinguised by :

Complex which have minimum number of metal-nitrogen linkage:

Complexation is shown by :

Complex which has maximum stereo isomers : where to AA to Symmetrical bidented ligandAB to unsymmetrical bidented ligand a, b, c, d, e, f - Monodented ligand

Complex of HgCo.4SCN has two isomers XgtY then, which of the following option is incorrect ?

Complex lipids.

Complex lipids contains

Complex ions [NiCl_(6)]^(4-),[Ni(CN)_(6)]^(4-) similar in their given properties:

Complex ion [FeN_(3)(O_(2))(SCN)_(4)]^(4-) is maned as : (coordination number of central metal ion in complex is six)

Complex ion.

Complex in which effective atomic number is not equal to atomic number of the noble gas

Complex forming tendency increases with:

Complex formation or cyanide method is used for the extraction of

Complex formation or cyanide method is used for the extraction of :

Complex compounds(s) which is optical active and does ot dpeend upon the orientation of the ligands around metal cation: (i) [CoCl_(3)(NH_(3))_(3)] (ii) [Co(en)_(3)]Cl_(3) (iii) [Co(C_(2)O_(4))_(2)(NH_(3))_(2)]^(-) (iv) [CrCl_(2)(NH_(3))_(2)(en)]^(+)

Complex fertilizer is that supplies to the soil:

Complex compounds that have the same molecular formula but have different structural/space arrangements of ligands around central metal atom/ion are called isomers, these are of two types namely structural and stereoisomers. Q. Complex species that exhibits isomerism is:

Complex compounds which have same molecular formula but have different structural arrangements of ligands around central metal atom or ion are called structural isomers and phenomenon is named as structural isomerism. Select incorrect match :

Complex compounds that have the same molecular formula but have different structural/space arrangements of ligands around central metal atom/ion are called isomers, these are of two types namely structural and stereoisomers. Q. Which of the following is different among structural isomers?

Complex compound(s) having even number of space (stereo) isomer is/are: (Where AA-symmetrical bidentate ligand and a,b,c,d,e-monodentate ligands)

Complex compounds of transition metals are familier, but not inner transition elements. Why?

Complex compound is made up of

Complex compound [Cr(NCS)(NH_(3))_(5)][ZnCl_(4)] will be :

Complex compound [Cr(NCS)(NH_(30)_(5)][ZnCl_(4)] will be,

Complex compound [Co(SCN)_(2)(NH_(3))_(4)]Cl exhibits:

Complex/complex ion 'x' is the most stable amongest following. Then 'x' must be

Complex [CoCl_(2)(en)_(2)]^(+) can

Complex (a) Na_(2)[Fe(CN)_(5)NO] (b) [Fe(H_(2)O)_(5)NO]SO_(4) (c ) K_(4)[Fe(CN)_(6)] Which of the following statement are wrong ?

Completion of diazotisation can be checked with

Complete the the following reaction? (i) BrF_(5)overset(OH^(Theta))rarr? (ii) IC l overset(OH^(Theta))rarr ?

Complete the reactions with appropriate products. CH_(3)CHO+NH_(2)OH to X (i)CH_(3)CHO+NH_(2)OH to X (ii) CH_(2)=CH_(2)+PdCl_(2)+H_(2)O overset(CuCl_(2)) to Y (iii) CH_(3)CH_(2)CH_(2)CH_(2)OH overset(CrO_(3)-H_(2)SO_(4))to Z

Complete the sentence----- The Rio Summit recommended a list of development practices called---------.

Complete the reactions : R-CH_2-OHoverset(cu)underset(300^(@)C)to

Complete the reactions, (i) HgO overset(Delta)rarr? (ii) BaO_(2)overset(Delta)rarr?