Explore topic-wise InterviewSolutions in Current Affairs.

This section includes 7 InterviewSolutions, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.

1.

Match the defects gives in column I withstatements given in column II and mark the appropriate choice.

Answer»

`A to IV, B to III, C to ii, D to i`
`A to iii, B to iv , C to I , D to ii`
`A to iii, B to I, C to iv, D to ii`
`A to I, B to iii, C to iv, D to ii`

Answer :C
Discussion
2.

Match the defects given in Column I with the statements in given Column II.

Answer»


Answer :(a) - (iii); (b) - (i) ; (C) - (IV) ; (d) - (II)
Discussion
3.

Match the crystal system / unit cells mentioned in Column I with their characteristic features mentioned in Column II. Indicate your answer by darkening the appropriate bubbles of the 4 × 4 matrix given in the ORS. Column I (A) simple cubic and face-centred cubic (B) cubic and rhombohedral (C) cubic and tetragonal (D) hexagonal and monoclinic Column II (P) have these cell parameters a = b = c and alpha=beta=gamma (Q) are two crystal systems (R) have only two crystallographic angles of 90° (S) belong to same crystal system

Answer»

<P>

ANSWER :(A)-P,S ;(B)-P,Q ( C)-Q; (D)-Q,R
Discussion
4.

Match the correct bond dissociation in halogens{:("Halogens","Bond energy "),(F_(2),"158.8 Kj mol"^(-1)),(Cl_(2),"242.6KJmol"^(-1)),(Br_(2),"151.1KJmol"^(-1)),(I_(2),"192.8KJmol"^(-1)):}

Answer»

`1-A,2-B,3-D,4-C`
`1-A,2-B,3-C,4-D`
`1-B,2-A,3-D,4-C`
`1-D,2-C,3-A,4-B`

ANSWER :A
Discussion
5.

Match the correct properties of compounds of column I with column II.

Answer»


SOLUTION :
Discussion
6.

Match the coordination compounds given in Column I with the central metal atoms given in Column II and assign the correct code : {:(,"Column I",,"Column II"),(,"(Coordination Compound)",,"(Central metal atom)"),("A".,"Chlorophyll",1.,"rhodium"),("B".,"Blood pigment",2.,"cobalt"),("C".,"Wilkinson catalyst",3.,"calcium"),("D".,"Vitamin"B_(12),4.,"iron"),(,,5.,"magnesium"):}

Answer»

`{:("A (5)","B (4)","C (1)","D (2)"):}`
`{:("A (3)","B (4)","C (5)","D (1)"):}`
`{:("A (4)","B (3)","C (2)","D (1)"):}`
`{:("A (3)","B (4)","C (1)","D (2)"):}`

Answer :a
Discussion
7.

Match the conversions in Column I with the type (s) of reaction (s) given in Column II. {:(,"Column I",,"Column II"),((A),PbStoPbO,(p),"Roasting"),((B),CaCO_(3)toCaO,(q),"Calcination"),((C),ZnStoCu,(r),"Carbon reducrtion"),((D),Cu_(2)toCu,(s),"Self reduction"):}

Answer»


ANSWER :A::B::C::D
Discussion
8.

Match the coordination compounds given in Column I with the central metal atoms given Column II.

Answer»


ANSWER :a-v; b-iv; c-i; d-ii
Discussion
9.

Match the contents of Column I with the contents of Column II.

Answer»


SOLUTION :NA
Discussion
10.

Match the contents of Column I with the contents ofColumn II

Answer»


ANSWER :A-p,R ; B-q,s ; C-p ; D-r
Discussion
11.

Match the compounds of List with their composition of List-II

Answer»

SOLUTION :`ATOS`,,`Btop`,`Ctor`,Q,`DTOS`
Discussion
12.

Match the compounds listed in column I with characteristic listed in column II. {:("Column-I","Column-II"),((A)SF_2,(p)sp^3"and bent"),((B)KrF_4,(q)"Lone pair"),((C )NOCl,(r)"Bond angle lt"109^@28'),((D )N(Me)_3,(s)sp^2"and bent"),(,(t)sp^3d^2"and square planar"):}

Answer»


SOLUTION :
Discussion
13.

Match the compounds, listed in column-I with the characteristic(s) listed in column-II. {:("ColumnI","ColumnII"),((A)BeO(s),(p)"Amphoteric in nature"),((B)NaHCO_3("crystalline"),(q)"Imparts characteristic colour to Bunsen flame"),((C )BeCl_2(s),(r)"Produce"H_2O_2 and O_2 "on reaction with water." ),((D)CsO_2(s),(s)"Show hydrogen bonding"),(,(t)"Has a chain structure"):}

Answer»


Solution :(A)BeO is amphoteric in NATURE because it reacts with acid as well as BASE.
(B)Hydrogen bonding , `HCO_3^(-)` ions are LINKED into an INFINITE chain through H-bonding.
(C )
(D)`2CsO_2 + 2H_2O to 2Cs^(+)+2OH^(-)+H_2O_2 + O_2`
Discussion
14.

Match the compounds listed in column I with characteristic listed in column II. {:("Column-I","Column-II"),((A)"Hypophosphorus acid",(p)"All hydrogen are ioniasable in water"),((B)"Orthoboric acid",(q)"Monobasic acid"),((C )"Hypophosphoric acid",(r)sp^3"hybridised central atom(s)"),((D)"Pyrosulphurous acid",(s)"Lewis acid"),(,(t)"Central atom contains one lone pair of electrons"):}

Answer»


SOLUTION :
Discussion
15.

Match the compounds listed in column I with characteristic listed in column II. {:("Column-I","Column-II"),((A)"Cyclic silicates",(p)"Tetrahedral hybridisation"),((B)"Single chain silicates",(q)"Si-O bonds are 50% ionic and 50% covalent"),((C )"Pyro silicates",(r)"General formula is")(SiO_3)_n^(2n),((D)"Sheet silicates (two dimensional ",(s)"Two oxygen atoms per tetrahedron are shared "),(,(t)"Square planar geometry"):}

Answer»


Solution :(A)Two OXYGEN atoms per tetrahedron are shared forming rings.`(SiO_3)_n^(2n-)`.HYBRIDISATION of each SI is `sp^3`.
(B)Two oxygen atoms per tetrahedran are shared forming a chain of tetrahedron, `(SiO_3)_n^(2n-)`, Hybridisation of each Si atom is `sp^3`.
(C )One oxygen atom per tetrahedron is shared . `Si_2O_7^(2-)` .Hybridisation of each Si atom is `sp^3`.
(D)Threeoxygen atom per tetrahedron is shared . `(Si_2O_5)_n^(2-)` .`sp^3` hybridisation .
Discussion
16.

Match the compounds listed in column I with characteristic listed in column II. {:("Column-I","Column-II"),((A)B_2H_6,(p)"Tetrahedral hybridisation"),((B)Al_2Cl_6,(q)"Trigonal planar hybridisation"),((C )BeCl_2(s),(r)"Empty orbital of central atom participate in hybridisation"),((D)(SiH_3)_3N,(s)"Two types of bonds"),(,(t)"Two type of bond angles"):}

Answer»


SOLUTION :(A)`sp^3` hybridisation, empty ORBITAL participate in hybridisation, there are two types of bonds NAMELY, covalent and 2e-3c bonds (banana bond).

(B)`sp^3` hybridisation , empty orbital participate in hybridisation , there are two types of bonds namely , covalent and COORDINATE bonds

(C )`sp^3` hybridisation , empty orbital (two) participate in hybridisation , there are two types of bonds namely , covalent and coordinate bonds

(D)`sp^2` hybridisation , because of involvement of lone pair of electrons in `ppi-dpi` delocation between N and empty d-orbital of silicon.Only covalent bonds
Discussion
17.

Match the compounds listed in column-I with characteristic listed in column-II {:("Column-I","Column-II"),((A)"Chloral hydrate",(p)"Forms a zig-zag chain in both solid and also in the liquid"),((B)"Hydrogen fluoride",(q)"Forms two dimensional sheet with almost almost hexagonal symmetry"),((C )"Crystalline boric acid",(r)"London dispersion force"),((D )"Sulphuric acid",(s)"Intramolecular H-bond"),(,(t)"Intermolecular H-bond"):}

Answer»


Solution :
In the solid state, `B(OH)_3` UNITS are HYDROGEN BONDED together in to two dimensional sheets with almost hyxagonal symmetry.Thelayered are QUITE a large distance apart (3.18Å)
(D)
Discussion
18.

Match the compounds listed in colomn-I with the related uses/particulars listed in column-II. {:("ColumnI","ColumnII"),((A)"Calcium hypochlorite",(p)"Used as air purifier in submarine"),((B)"Calcium suphate hemi hydrate",(q)"Used for 'softening' water"),((C )"Potassium super oxide",(r)"A constituent of bleaching powder" ),((D)"Calcium oxide",(s)"Plaster of Paris"),(,(t)"Used in preparation of sodium hydroxide."):}

Answer»


Solution :(A)`3Ca(OH)_2+2Cl_2 to Ca(OC l)_2. Ca(OH)_2. CaCl_2. 2H_2O`(bleaching powder)
`Ca(O CL)_2` is constituent of bleaching powder.
(B)`CaSO_4 . 1/2H_2O` is CALLED as Plaster of Paris.
(C )`KO_2` absorbs `CO_2` and gives `O_2` gas according to the FOLLOWING reactions, so used as air purifier in submarine.
`2KO_2 + CO_2 to K_2CO_3+3/2O_2, 2KO_2 + 2H_2O to 2KOH + H_2O_2 +O_2`
(D)Calcium oxide i.e. quick lime is used for the removal of temporary hardness of water.
`CaO+H_2O to Ca(OH)_2 , Ca(OH)_2 + Ca(HCO_3)_2 to 2CaCO_3 darr + 2H_2O`
`Ca(OH)_2+Na_2CO_3 to CaCO_3 darr + 2NAOH`(causticising PROCESS).
Discussion
19.

Match the compounds listed in colomn-I with characteristic(s) type of reactions listed in column-II. {:("Column I","Column II"),((A)"Ionic hydrides",(p)B_2H_6","CH_4","H_2O","SiH_4),((B)"Covalent hydrides",(q)CuH","ZnH_2","CdH_2","HgH_2 ),(( C)"Metallic hydrides",(r)ScH_2","TiH_2","VH_2","ZrH_2),((D)"Intermediate hydrides",(s)NaH","KH","CaH_2","SrH_2):}

Answer»

<P>

SOLUTION :(A)Ionic hydrides `to` (s)
(B)Covalent `to`(p)
(C )METALLIC `to` ( R )
(D)Intermediate `to` (q)
Discussion
20.

Match the compounds/ionsin Column I with their properties/reactions in Column It. Indicate your answer by darkeningthe appropriate bubbles of the 4xx4 matrix given in the ORS.

Answer»

<P>

SOLUTION :`(A)-p,Q,s,(B)-q,( C )-q,r,s, (D)-q,r`
(Note. Assuming `AgNO_(3)` is AMMONICAL.)
Discussion
21.

Match the compounds in Column-Iwith their characterstic test(s)/reaction(s) given in Column-II. Indicate your answerby darkening the appropriate bubbles of the 4 x 4 matrix given in the ORS.

Answer»


SOLUTION :N//A
Discussion
22.

Match the compounds/ion in column l with their properties / reaction in Cloumn ll. Indicate your answer by darkening the appropriate bubbles of the 4xx4 matrix given in the ORS. Column l (A) C_(6)H_(5)CHO (B) CH_(3) C equiv CH (C) CN^(–) (D) l^(–) Column ll (P) give precipitate with 2,4- dinitrophenylhydrazine (Q) gives precipitate with AgNO_(3) (R) is a nucleophile (S) is involved in cyanohydrin formation Column II (P) sodium fusion extract of the compound gives Prussian blue colour with FeSO_(4) (Q) gives positive FeCl_(3) test (R) gives white precipitate with AgNO_(3) (S) reacts with aldehydes to form the corre sponding hydrazone de rivative

Answer»


Answer :A`RARR` P,Q,S; B`rarr`Q,R ; C`rarr`Q,R,S ; D`rarr`Q,R
Discussion
23.

Match the compounds in Column-I with their properties in Column-II {:("Column-I","Column-II"),((A)K_(2)MnO_(4),(p)"Transition element in +6 state"),((B) KMnO_(4),( q)"Oxidising agent in acid medium"),((C )K_(2)Cr_(2)O_(7),(r )"Manufactured from pyrolusite ore"),((D)K_(2)CrO_(4),(s)"Manufactured from chromite ore"):}

Answer»

SOLUTION :`(A to p,r)(B to q,r) (C to p,q,s) (D to p,s)`
Discussion
24.

Match the compounds in Column I with their characteristic test(s)/reaction(s) given in Column II. Indicate your answer by darkening the appropriate bubbles of the 4 xx 4 matrix given in the ORS. Column I Column II (P) sodium fusion extract of the compound gives Prussian blue colour with FeSO_(4) (Q) gives positive FeCl_(3) test (R) gives white precipitate with AgNO_(3) (S) reacts with aldehydes to form the corresponding hydrazone derivative

Answer»


ANSWER :A–RS, B–PQ, C–PQR, D–PS
Discussion
25.

Match the compounds in Column I with their characteristic test (s) reaction (0s) given in Column II.

Answer»

<P>

Answer :`Ararrr,s " B"rarrp,q " C"RARR p,q,R" D" rarrp`
Discussion
26.

Match the compounds given in List I with List II and select the suitable option using the code given below {:(List I,List II),((A)"Benzaldehyde",(i)"Phenolphthalein"),((B)"Phthalic anhydride",(ii)"Benzoin condensation"),((C)"Phenyl benzoate",(iii)"Oil of wintergreen"),((D)"Methyl salicylate",(iv)"Fire rearrangement"):} Code

Answer»

`{:((A),(B),(C),(D).),((ii),(iii),(iv),(i).):}`
`{:((A),(B),(C),(D).),((ii),(i),(iv),(iii).):}`
`{:((A),(B),(C),(D).),((iv),(i),(iii),(ii).):}`
`{:((A),(B),(C),(D).),((iv),(ii),(iii),(i).):}`

Solution :(A) `C_(6)H_(5)CHO overset(Delta.CN^(-))underset(ETOH,H_(2)O)rarr C_(6)H_(5)Counderset(("Benzoin"))underset(OH)underset(|)(C )H-C_(6)H_(5)`
Discussion
27.

Match the compounds given in Column I with the oxidation state of cobalt present in it (given in Column II)

Answer»


ANSWER :a-v; b-i; c-iv; d-ii;
Discussion
28.

Match the compounds given in Column I with the oxidation state of cobalt present in it (given in Column II) and assign the correct code. {:(,"Column I (Compound)",,"Column I (Oxidation state of Co)"),("A".,[Co(NCS)(NH_(3))_(5)](SO_(3)),1.,+4),("B".,[Co(NH_(3))_(4)Cl_(2)]SO_(4),2.,0),("C".,Na_(4)[Co(S_(2)O_(3))_(3)],3.,+1),("D".,[Co_(2)(CO)_(8)],4.,+2),(,,5.,+3):}

Answer»

`{:("A (1)","B (2)","C (4)","D (5)"):}`
`{:("A (4)","B (3)","C (2)","D (1)"):}`
`{:("A (5)","B (1)","C (4)","D (2)"):}`
`{:("A (4)","B (1)","C (2)","D (3)"):}`

Solution :`{:("A".,[overset(X)(Co) overset(-1)((NCS))overset(" 0")((NH_(3))_(5))]^(2+)(SO_(3))^(2-),x-1+0=+2,or,x=+3),("B".,[overset(x)(Co)overset("0")((NH_(3))_(4)overset(-1)(Cl_(2)))]^(2+)SO_(4)^(2-),x+0-2=+2,or,x=+4),("C".,overset(+)(Na_(4))[overset(x)(Co)(S_(2)overset(-2)(O_(3)))_(3)]^(4-),x-6=-4,or,x=+2),("D".,[overset("x")(Co_(2)overset("0")((CO))_(8))]^(0),2x+0=0,or,x=0):}`
Discussion
29.

Match the compounds given in Column-I with the hybridisation and shape given in Column-II and mark the correct option.

Answer»

A-(1), B-(3), C-(4), D-(2)
A-(1), B-(2), C-(4), D-(3)
A-(4), B-(3), C-(1), D-(2)
A-(4), B-(1), C-(2), D-(3)

ANSWER :a
Discussion
30.

Match the compounds given in column I with the hybridisation and shape given in column II and mark the correct option. {:(,"Column I",,"Column II"),((A),XeF_(6),(i),"Distorted octahedral"),((B),XeO_(3),(ii),"Square planar"),((C),XeOF_(4),(iii),"Pyramidal"),((D),XeF_(4),(iv),"Square pyramidal"):}

Answer»

`{:(,A,B,C,D),((a),(iv),(iii),(i),"(ii)"):}`
`{:(,A,B,C,D),((a),(iv),(i),(ii),"(iii)"):}`
`{:(,A,B,C,D),((a),(i),(iii),(iv),"(ii)"):}`
`{:(,A,B,C,D),((a),(i),(ii),(iv),"(iii)"):}`

Solution :`underset("octahedral")underset("Distorted")underset(SP^(3)d^(3))(XeF_(6))""underset("Pyramidal")underset(sp^(3))(XeO_(3))""underset("pyramidal")underset("Square")underset(sp^(3)d^(2))(XeOF_(4))""underset("PLANAR")underset("Square")(underset("sp^(3)d^(2))(XeF_(4)))`
Discussion
31.

Match the compounds given in Column I with the hybridisation and shape given in Column II and mark the correct option. {:("Column I","Column II"),((A) XeF_(6),(1)sp^(3)d^(3)-"distorted octahedral"),((B)XeO_(3),(2)sp^(3)d^(2)-"square planar"),((C)XeOF_(4),(3)sp^(3)-"pyramidal"),((D)XeF_(4),(4)sp^(3)d^(2)-"square pyramidal"):}

Answer»

`{:(A(1),B(3),C(4),D(2)):}`
`{:(A(1),B(2),C(4),D(3)):}`
`{:(A(4),B(3),C(1),D(2)):}`
`{:(A(4),B(1),C(2),D(3)):}`

ANSWER :A
Discussion
32.

Match the compounds given in Column - I with the effects given in Column - II. {:(,"Column - I",,"Column - II"),((i),"Chloramphenicol",(a),"Malaria"),((ii),"Thyroxine",(b),"Anaesthetic"),((iii),"Chloroquine",(c ),"Typhoid fever"),((iv),"Chloroform",(d),"Goiter"),(,,(e ),"Blood substituent"):}

Answer»

Solution :(i -C), (II - d), (iii - a), (iv - B)
Discussion
33.

Match the compounds given in Column-I with Column-II and select the suitable option using the code given below

Answer»

a(II), b(III), c(IV), d(i)
a(ii), b(i), c(iv), d(iii)
a(iv), b(i), c(iii), d(ii)
a(iv), b(ii), c(iii), d(i)

Answer :B
Discussion
34.

Match the compounds given in column I with the effects given in column II. .

Answer»


ANSWER :A::B::C::D
Discussion
35.

Match the compounds given in column-I with column - II and select the suitable option using the code given below

Answer»

a(iv), B(i), v(ii), d(iii)
a(i), b(iii), C(ii), d(iv)
a(iv), b(iii),c(i), d(ii)
a(iii), b(ii), c(i), d(iv)

SOLUTION :`underset("FORMALDEHYDE")(6HCHO)+4NH_3 overset (DELTA)(to) underset("urotropine")((CH_2)_6N_4) +6H_2O`
Discussion
36.

Match the compounds give in Column I with the hybridisation and shape given in Column II and mark the correct option.

Answer»


ANSWER :A::B::C::D
Discussion
37.

Match the compounds // elements given in Column I with uses given in Column II {:(,"Column I ( Compound/element)" ,,"Column II (Use)"),((i),"Lanthanoid oxide",(a),"Production ofiron alloy"),((ii) ,"Lanthanoid ",(b) ,"Television screen"),((iii), "Misch metal",(c ) ,"Petroleum cracking"),((iv),"Magnesium based alloy is constituent of ",(d) ,"Lanthanoid metal"+"iron"),((v) ,"Mixed oxides of lanthanoids are employed",(e ),"Bullets"),(,,(f),"In X-rayscreen"):}

Answer»


ANSWER :`(i) rarr(B), (ii) rarr(a), (iii) rarr (d), (iv) rarr (E ) , (v) rarr (c )`
Discussion
38.

Match the compound with the metal for which it is used for the process of extraction. {:("(i) NaCN","(a) Titanium"),("(ii) Iodine","(b) Aluminium"),("(iii) Cryolite","(c) Silver ore"):}

Answer»

(i) - (C ), (II) - (a), (III) - (B)
(i) - (c ), (ii) - (b), (iii) - (a)
(i) - (a), (ii) - (c ), (iii) - (b)
(i) - (b), (ii) - (a), (iii) - (c )

ANSWER :A
Discussion
39.

Match the compound reaction's product given in column I to the properties given in column II {:("Column I","Column II"),("(A)"NaNO_(2)overset(HCl)rarrAoverset(FeSO_(4))rarrP,"(p)White ppt"),("(B)"HgCl_(2)overset(SnCl_(2))rarrP,"(q)Oxidation state of metal in product is +1"),("(C)"Hg_(2)Cl_(2)overset(NH_(4)OH)rarrP,"(r)Metal-metal bond is present"),("(D)"Zn overset(H_(2)S)underset(NH_(4)OH//NH_(4)Cl)rarrP,"(s)Colour is due to complex formation"),(,"(t)Black ppt"):}

Answer»

<P>

Answer :A(Q, s), B(p, q, R), C(s, t), D(t)
Discussion
40.

Match the complexes listed in column-I with characteristic type of isomerism listed in column-II {:("Column I","Column II"),((A)CoCl_3. 5NH_3. H_2O,(p)"In one of this isomeric forms, the metal satisfies its secondary valences by only neutral molecules."),((B)Co(NH_3)_5BrSO_4,(q)"The magnetic moment of one of the isomers form is 3.87 B.M."),(( C)CrCl_3. 6H_2O,(r)"Show ionisation isomerism"),((D)Cr(NO_2)_2. 6H_2O,(s)"Show hydrate isomerism"),(,(t)"Show linkage isomerism."):}

Answer»


Solution :(A)`overset(III)([Co(NH_3)_5Cl])Cl_2. H_2O and overset(III)([Co(NH_3)_5H_2O])Cl_3`-hydrate isomerism. In later form all (i.e. six) secondary VALENCES of METAL are satisfied by neutral molecules.
(B)`overset(III)([Co(NH_3)_5Br])SO_4 and overset(III)([Co(NH_3)_5SO_4])`Br-ionisation isomerism.
(C )`[Cr(H_2O)_6]Cl_3, [Cr(H_2O)Cl]Cl_2. H_2O` and `[Cr(H_2O)_4Cl_2]Cl.2H_2O`-hydrate isomerism. In first form secondary valences (i.e. six) of the metal are satisfied by only neutral molecules.
Cr(III) has 3 unpaired electrons whether the ligand is weak or strong FIELD , `mu_(B.M.)=sqrt(3(3+2))`=3.87 B.M.
(D)`[Cr(H_2O)_6]NO_2 and [Cr(H_2O)_5 (NO_2)]NO_2 H_2O`-hydrate isomerism
`[Cr(H_2O)_5(NO_2)]NO_2. H_2O and [Cr(H_2O)_5(ONO)]NO_2. H_2O` -linkage isomerism.
In first form secondary valencies (i.e. six) of the metal are satisfied by only neutral molecules. In the complex the Cr is in +1 oxidation state with electron configuration. `[Ar]^(18)3d^5 4s^0`.It contains five unpaired electrons
Discussion
41.

Match the components/elements given in column I with uses given in column II.

Answer»

A-4 , B-3, C-1, D-2
A-3, B-4,C-1, D-2
A-4,B-1,C-2, D-3
a-2, B-1 ,C-3 , d-4

Solution :`(i) - (b), (II) -(a), (III) - (d) ,(iv)- (E ),(v) - ( c)`
Discussion
42.

Match the compound/elements given in Column O with uses given in Column II.

Answer»


Answer :(a)-(II);(B)-(i);(C)-(iv);(d)-(V);(e)-(III)
Discussion
43.

Match the complexes in Column with their properties listed in Column-11. Indicate your answer by darkening the appropriate bubbles of the 4 xx 4 matrix given in the ORS

Answer»


SOLUTION :
Discussion
44.

Match the complexes in Column-I with their information in Column-II {:((A)[Cu(NH_(3))_(2)]SO_(4), (p)dsp^(2)),((B)[Pt[NH_(3))_(2)Cl_(2)],(q)"Octahedral"),((C )K_(4)[Fe(CN)_(6)],( r)sp^(3)d^(2)),((D) [Fe(H_(2)O)_(6)Cl_(3)],(s)"squareplanar"):}

Answer»

<P>

Solution :`(A to p,s)(B to p,s) (C to Q), (D to q,R)`
Discussion
45.

Match the complex with its oxidation state of central metal {:("Column I","Column II"),("(A)Chromyl chloride test","(p)"S^(2-)),("(B)Ring test","(q)"NO_(3)^(-)),("(C)Smell of vinegar","(r)"CH_(3)COO^(-)),("(D)Smell of rotten eggs","(s)"Cl^(-)):}

Answer»


ANSWER :A(s), B(q), C(r), D(p)
Discussion
46.

Match the complexes in Column I with their properties listed in Column II

Answer»

`{:("A","B","C","D",),(4,2,3,1,):}`
`{:("A","B","C","D",),(3,1,4,2,):}`
`{:("A","B","C","D",),(2,1,3,4,):}`
`{:("A","B","C","D",),(1,3,4,2,):}`

ANSWER :A::B::C::D
Discussion
47.

Match the complex species given in Column I with the possible isomerism given in Column II and assign the correct code : {:(,"Column I (Complex species)",,"Column II (Isomerism)"),("A".,[Co(NH_(3))_(4)Cl_(2)]^(+),1.,"optical"),("B".,cis-[Co(en)_(2)Cl_(2)]^(+),2.,"ionisation"),("C".,[Co(NH_(3))_(5)(NO_(2))]Cl_(2),3.,"coordination"),("D".,[Co(NH_(3))_(6)][Cr(CN)_(6)],4.,"geometrical"),(,,5.,"linkage"):}

Answer»

`{:("A (1)","B (2)","C (4)","D (5)"):}`
`{:("A (4)","B (3)","C (2)","D (1)"):}`
`{:("A (4)","B (1)","C (5)","D (3)"):}`
`{:("A (4)","B (1)","C (2)","D (3)"):}`

ANSWER :d
Discussion
48.

Match the complex species given un Column I with the possibvle isomerism given in Column II.

Answer»


ANSWER :a-iv; b-i; c-ii; d-iii
Discussion
49.

Match the complex ions given in Column I with the hybridisation and number of unpaired electrons given in Column II and assign the correct code : {:(,"Column I (Complex ion)",,"Column II (Hybridisation, number of unpaired electron"),("A".,[Cr(H_(2)O)_(6)]^(3+),1.,dsp^(2).1),("B".,[Co(CN)_(4)]^(2-),2.,sp^(3)d^(2).5),("C".,[Ni(NH_(3))_(6)]^(2+),3.,d^(2)sp^(3).3),("D".,[MnF_(6)]^(4-),4.,sp^(3)d^(2).2):}

Answer»

`{:("A (3)","B (1)","C (5)","D (2)"):}`
`{:("A (4)","B (3)","C (2)","D (1)"):}`
`{:("A (3)","B (2)","C (4)","D (1)"):}`
`{:("A (4)","B (1)","C (2)","D (3)"):}`

Answer :a
Discussion
50.

Match the complex ions given in Column I with the hybridisation and number of unpaired electrons given in Column II.

Answer»


ANSWER :a-iii; b-iv; c-ii; d-i;
Discussion