46295 + Interview Questions in Chemistry

1.	The cubic unit cell of a mixed oxide is composed of oxide ions in a ccp arrangement. One fourth of the tetrahedral voids are occupied by divalent metal 'A' and the octahedral voids are occupied by a monovalent metal 'B'. The formula of the oxide is:
Answer» The cubic unit cell of a mixed oxide is composed of oxide ions in a ccp arrangement. One fourth of the tetrahedral voids are occupied by divalent metal 'A' and the octahedral voids are occupied by a monovalent metal 'B'. The formula of the oxide is:

Discussion

2.	The ratio of 3.44:5.72 is 1:1.66 Can we write it as 3:5(approx)? How?
Answer» The ratio of 3.44:5.72 is 1:1.66 Can we write it as 3:5(approx)? How?

2.

The ratio of 3.44:5.72 is 1:1.66 Can we write it as 3:5(approx)? How?

Answer»

The ratio of 3.44:5.72 is 1:1.66

Can we write it as 3:5(approx)? How?

Discussion

3.	A proton is accelerated through a potential difference of V volts. The de Broglie's wavelength associated with it is:
Answer» A proton is accelerated through a potential difference of $V$ volts. The de Broglie's wavelength associated with it is:

Discussion

4.	What properties of water make it useful as a solvent? What types of compound can it (i) dissolve, and (ii) hydrolyse?
Answer» What properties of water make it useful as a solvent? What types of compound can it (i) dissolve, and (ii) hydrolyse?

Discussion

5.	A. Don't presume that every pilgrim will return safe and sound from the Kumbh fair since there's many a slip betwixt the cup and the lip. B. The gifts of the father and the son were similar. C. If I were he, I should not go. D. Finally the championship game ended with the result 5-2 to Germany.
Answer» A. Don't presume that every pilgrim will return safe and sound from the Kumbh fair since there's many a slip betwixt the cup and the lip. B. The gifts of the father and the son were similar. C. If I were he, I should not go. D. Finally the championship game ended with the result 5-2 to Germany.

Discussion

6.	The shape of a 3p orbital resembles:
Answer» The shape of a 3p orbital resembles:

6.

The shape of a 3p orbital resembles:

Answer»

The shape of a 3p orbital resembles:

Discussion

7.	Chloro compound of Vanadium has only spin magnetic moment of 1.73 BM. This Vanadium chloride has the formula: (at. no. of V = 23)
Answer» Chloro compound of Vanadium has only spin magnetic moment of 1.73 BM. This Vanadium chloride has the formula: (at. no. of V = 23)

Discussion

8.	The Van't Hoff factor i for a 0.2 molal aqueous solution of urea is:
Answer» The Van't Hoff factor i for a 0.2 molal aqueous solution of urea is:

Discussion

9.	Which of the following carbanion is least stable?
Answer» Which of the following carbanion is least stable?

Discussion

10.	The close packing sequence ABABAB in 3-D represents which of the following?
Answer» The close packing sequence ABABAB in 3-D represents which of the following?

Discussion

11.	Rosenmund's reduction of an acyl chloride gives:
Answer» Rosenmund's reduction of an acyl chloride gives:

Discussion

12.	What is the number of water molecules contained in a drop of water weigh 0.06gram
Answer» What is the number of water molecules contained in a drop of water weigh 0.06gram

Discussion

13.	The balanced equation for the preparation of NaBr is as follows: Fe+Br2→FeBr2 …(i) (yield: 100 %) 3FeBr2+Br2→Fe3Br8...(ii) (yield: 100 %) Fe3Br8+4Na2CO3→8NaBr+4CO2+Fe3O4…(iii) (yield: 60 %) Calculate the mass of iron required to produce 2.06×103 g of NaBr. (Considering Na2CO3 and Br2 to be present in excess) (molar mass of Fe=56 g/mol,Br=80 g/mol,Na=23 g/mol)
Answer» The balanced equation for the preparation of $N a B r$ is as follows: $F e + B r_{2} \to F e B r_{2} \dots(i) (yield: 100 %)$ $3 F e B r_{2} + B r_{2} \to F e_{3} B r_{8} ...(ii) (yield: 100 %)$ $F e_{3} B r_{8} + 4 N a_{2} C O_{3} \to 8 N a B r + 4 C O_{2} + F e_{3} O_{4} \dots(iii) (yield: 60 %)$ Calculate the mass of iron required to produce $2.06 \times 10^{3} g$ of $N a B r$ . (Considering $N a_{2} C O_{3}$ and $B r_{2}$ to be present in excess) (molar mass of $F e = 56 g/mol, B r = 80 g/mol, N a = 23 g/mol$ )

Discussion

14.	Chlorine water on standing loses its yellow colour due to the formation of:
Answer» Chlorine water on standing loses its yellow colour due to the formation of:

Discussion

15.	When the temperature goes up, the pressure inside a rigid container will _____.
Answer» When the temperature goes up, the pressure inside a rigid container will _____.

Discussion

16.	In the reaction 'D' is
Answer» In the reaction 'D' is

16.

In the reaction 'D' is

Answer»

In the reaction 'D' is

Discussion

17.	The value of Kc for the reaction, CO(g)+H2O(g)⇌CO2(g)+H2(g) is 1. A mixture of 1 mole of water vapour and 3 moles of CO forms an equilibrium at a total pressure of 2 atm. Calculate the partial pressure of hydrogen gas.
Answer» The value of $K_{c}$ for the reaction, $C O (g) + H_{2} O (g) ⇌ C O_{2} (g) + H_{2} (g)$ is 1. A mixture of 1 mole of water vapour and 3 moles of $C O$ forms an equilibrium at a total pressure of 2 atm. Calculate the partial pressure of hydrogen gas.

Discussion

18.	Which among the following compounds will give maximum enol content in solution?
Answer» Which among the following compounds will give maximum enol content in solution?

Discussion

19.	The electro negativity of group 14 elements are:
Answer» The electro negativity of group 14 elements are:

Discussion

20.	A composite metal bar of uniform section is made up of length 25 cm of copper, 10 cm of nickel and 15 cm of aluminium. Each part being in perfect thermal contact with the adjoining part. The copper end of the composite rod is maintained at 100∘ C and the aluminium end at 0∘ C . The whole rod is covered with belt so that there is no heat loss occurs at the sides. If KCa = 2KAl , and KAl = 3KNi , then what will be the temperatures of Cu - Ni and Ni- Al junctions respectively
Answer» A composite metal bar of uniform section is made up of length 25 cm of copper, 10 cm of nickel and 15 cm of aluminium. Each part being in perfect thermal contact with the adjoining part. The copper end of the composite rod is maintained at $100^{\circ} C$ and the aluminium end at $0^{\circ} C$ . The whole rod is covered with belt so that there is no heat loss occurs at the sides. If $K_{C a} = 2 K_{A l}$ , and $K_{A l} = 3 K_{N i}$ , then what will be the temperatures of Cu - Ni and Ni- Al junctions respectively

20.

A composite metal bar of uniform section is made up of length 25 cm of copper, 10 cm of nickel and 15 cm of aluminium. Each part being in perfect thermal contact with the adjoining part. The copper end of the composite rod is maintained at 100∘ C and the aluminium end at 0∘ C . The whole rod is covered with belt so that there is no heat loss occurs at the sides. If KCa = 2KAl , and KAl = 3KNi , then what will be the temperatures of Cu - Ni and Ni- Al junctions respectively

Answer»

A composite metal bar of uniform section is made

up of length 25 cm of copper, 10 cm of nickel and

15 cm of aluminium. Each part being in perfect

thermal contact with the adjoining part. The

copper end of the composite rod is maintained at

$100^{\circ} C$ and the aluminium end at $0^{\circ} C$ . The whole

rod is covered with belt so that there is no heat

loss occurs at the sides. If $K_{C a} = 2 K_{A l}$ , and

$K_{A l} = 3 K_{N i}$ , then what will be the temperatures of

Cu - Ni and Ni- Al junctions respectively

Discussion

21.	The decreasing order of the repulsive interactions between various electron pairs is:
Answer» The decreasing order of the repulsive interactions between various electron pairs is:

Discussion

22.	In the nuclear reaction 12Mg24+2He4=0n1+? The product nucleus is
Answer» In the nuclear reaction $_{12} M g^{24} +_{2} H e^{4} =_{0} n^{1} + ?$ The product nucleus is

Discussion

23.	Which of the following species is not expected to be a ligand? (a) NO (b) NH+4 (c) NH2CH2CH2NH2 (d) CO
Answer» Which of the following species is not expected to be a ligand? (a) NO (b) $N H_{4}^{+}$ (c) $N H_{2} C H_{2} C H_{2} N H_{2}$ (d) CO

Discussion

24.	The bond order is maximum in:
Answer» The bond order is maximum in:

Discussion

25.	Column-I-Compound, Column-II-Oxidation state, Column-III-Type of linkage Column 1Column 2Column 3(I)Na2S2O3(i)+5(P)S−O−S(II)Na2S4O6(ii)−2(Q)S−S(III)H2S2O7(iii)+6(R)−(O−O)−(IV)H2S2O8(iv)+4(S)S=S The only correct combination in which the oxidation state of one of the sulphur is zero.
Answer» Column-I-Compound, Column-II-Oxidation state, Column-III-Type of linkage $\begin{matrix} C o l u m n 1 & C o l u m n 2 & C o l u m n 3 (I) & N a_{2} S_{2} O_{3} & (i) & + 5 & (P) & S - O - S (I I) & N a_{2} S_{4} O_{6} & (i i) & - 2 & (Q) & S - S (I I I) & H_{2} S_{2} O_{7} & (i i i) & + 6 & (R) & - (O - O) - (I V) & H_{2} S_{2} O_{8} & (i v) & + 4 & (S) & S = S \end{matrix}$ The only correct combination in which the oxidation state of one of the sulphur is zero.

25.

Column-I-Compound, Column-II-Oxidation state, Column-III-Type of linkage Column 1Column 2Column 3(I)Na2S2O3(i)+5(P)S−O−S(II)Na2S4O6(ii)−2(Q)S−S(III)H2S2O7(iii)+6(R)−(O−O)−(IV)H2S2O8(iv)+4(S)S=S The only correct combination in which the oxidation state of one of the sulphur is zero.

Answer»

Column-I-Compound, Column-II-Oxidation state, Column-III-Type of linkage

$\begin{matrix} C o l u m n 1 & C o l u m n 2 & C o l u m n 3 (I) & N a_{2} S_{2} O_{3} & (i) & + 5 & (P) & S - O - S (I I) & N a_{2} S_{4} O_{6} & (i i) & - 2 & (Q) & S - S (I I I) & H_{2} S_{2} O_{7} & (i i i) & + 6 & (R) & - (O - O) - (I V) & H_{2} S_{2} O_{8} & (i v) & + 4 & (S) & S = S \end{matrix}$

The only correct combination in which the oxidation state of one of the sulphur is zero.

Discussion

26.	Why CO−23 ion cannot be represented by single Lewis structure? How can it be best represented?
Answer» Why $C O_{3}^{- 2}$ ion cannot be represented by single Lewis structure? How can it be best represented?

Discussion

27.	For the following balanced equation : aFe2++bCr2O2−7+cH+⟶dFe3++eCr3++ fH2O The value of a+b+c+d+e+f is :36
Answer» For the following balanced equation : $a F e^{2 +} + b C r_{2} O_{7}^{2 -} + c H^{+} ⟶ d F e^{3 +} + e C r^{3 +} +$ f $H_{2} O$ The value of a+b+c+d+e+f is : 36

Discussion

28.	[IIT 1986; AMU 2002; AIEEE 2003]
Answer» [IIT 1986; AMU 2002; AIEEE 2003]

28.

[IIT 1986; AMU 2002; AIEEE 2003]

Answer»

[IIT 1986; AMU 2002; AIEEE 2003]

Discussion

29.	Vapour pressure of a solution of 5g of non-electrolyte in 100g of water at a particular temperature is 2985 N/m2. The vapour pressure of pure water is 3000 N/m2. The molecular weight of the solute is:
Answer» Vapour pressure of a solution of 5g of non-electrolyte in 100g of water at a particular temperature is 2985 N/m². The vapour pressure of pure water is 3000 N/m². The molecular weight of the solute is:

Discussion

30.	In which case Raoult's law is not applicable:
Answer» In which case Raoult's law is not applicable:

Discussion

31.	The correct increasing order of dipole moments for the given molecules is: (BF3,NF3 and NH3)
Answer» The correct increasing order of dipole moments for the given molecules is: $(B F_{3}, N F_{3}$ and $N H_{3})$

Discussion

32.	The thermal stability of alkaline earth metal carbonates–MgCO3, CaCO3, SrCO3 and BaCO3, follows the order:
Answer» The thermal stability of alkaline earth metal carbonates– $M g C O_{3}, C a C O_{3}, S r C O_{3}$ and $B a C O_{3}$ , follows the order:

Discussion

33.	Solid BaF2 is added to a solution that has 0.3 mole of a sodium oxalate solution (1 litre) until equilibrium is reached. The Ksp of BaF2 and BaC2O4(s) is 10−6 and 2×10−7 respectively. Assume that the addition of BaF2 does not cause any change in the volume and causes no hydrolysis of any of the cations or anions. If the concentration of Ba2+ ions in the resulting solution at equilibrium is represented as y×10−x, then (x+y) is:
Answer» Solid $B a F_{2}$ is added to a solution that has 0.3 mole of a sodium oxalate solution (1 litre) until equilibrium is reached. The $K_{s p}$ of $B a F_{2}$ and $B a C_{2} O_{4} (s)$ is $10^{- 6}$ and $2 \times 10^{- 7}$ respectively. Assume that the addition of $B a F_{2}$ does not cause any change in the volume and causes no hydrolysis of any of the cations or anions. If the concentration of $B a^{2 +}$ ions in the resulting solution at equilibrium is represented as $y \times 10^{- x}$ , then $(x + y)$ is:

Discussion

34.	Question 25 CO is isoelectronic with (a) NO+ (b) N2 (c) SnCl2 (d) NO−2
Answer» Question 25 CO is isoelectronic with (a) $N O^{+}$ (b) $N_{2}$ (c) $S n C l_{2}$ (d) $N O_{2}^{-}$

34.

Question 25 CO is isoelectronic with (a) NO+ (b) N2 (c) SnCl2 (d) NO−2

Answer»

Question 25

CO is isoelectronic with

(a) $N O^{+}$

(b) $N_{2}$

(c) $S n C l_{2}$

(d) $N O_{2}^{-}$

Discussion

35.	How many of the following are more acidic than HCOOH? Acetic acid, Picric acid, Hydrogen chloride, Hydrogen cyanide, Sodium carbonate, p-nitrophenol, p-chlorophenol, p-nitrobenzoic acid and p-chlorobenzoic acid.
Answer» How many of the following are more acidic than $H C O O H$ ? Acetic acid, Picric acid, Hydrogen chloride, Hydrogen cyanide, Sodium carbonate, p-nitrophenol, p-chlorophenol, p-nitrobenzoic acid and p-chlorobenzoic acid.

Discussion

36.	The aqueous solution containing which one of the following ions will be colourless
Answer» The aqueous solution containing which one of the following ions will be colourless

Discussion

37.	Which of the following statements is true about actinides
Answer» Which of the following statements is true about actinides

Discussion

38.	The electron affinities of halogens are F=322, Cl=349, Br=324, I=295kJmol−1. The higher value for Cl as compared to that of F is due to
Answer» The electron affinities of halogens are F=322, Cl=349, Br=324, I=295 $k J m o l^{- 1}$ . The higher value for Cl as compared to that of F is due to

Discussion

39.	Why is the C - O - H bond angle in alcohols slightly less than the tetrahedral angle whereas the C - O - C bond angle in ether is slightly greater?
Answer» Why is the C - O - H bond angle in alcohols slightly less than the tetrahedral angle whereas the C - O - C bond angle in ether is slightly greater?

Discussion

40.	A sodium salt on treatment with MgCl2 gives white precipitate only one heating. The anion of the sodium salt is
Answer» A sodium salt on treatment with $M g C l_{2}$ gives white precipitate only one heating. The anion of the sodium salt is

Discussion

41.	The equilibrium constant Kc of the reaction, A2(g)+B2(g)⇌2AB(g) at 100∘C is 64. If a one litre flask containing one mole of A2 is connected to a two litre flask containing one mole of B2, how many moles of AB will be formed at 373 K?
Answer» The equilibrium constant $K_{c}$ of the reaction, $A_{2} (g) + B_{2} (g) ⇌ 2 A B (g)$ at $100^{\circ} C$ is $64$ . If a one litre flask containing one mole of $A_{2}$ is connected to a two litre flask containing one mole of $B_{2},$ how many moles of $A B$ will be formed at $373 K$ ?

Discussion

42.	0.1M solution of NH4OH is 1.344% dissociated at equilibrium calculate Kb
Answer» 0.1M solution of $N H_{4} O H$ is $1.344 %$ dissociated at equilibrium calculate $K_{b}$

Discussion

43.	A compound is made by mixing cobalt(III) nitrite and potassium nitrite solutions in the ratio of 1:3. The aqueous solution of the compound showed 4 particles per molecule whereas molar conductivity reveals the presence of 4 ions. The formula of the compound is:
Answer» A compound is made by mixing cobalt(III) nitrite and potassium nitrite solutions in the ratio of $1 : 3$ . The aqueous solution of the compound showed $4$ particles per molecule whereas molar conductivity reveals the presence of 4 ions. The formula of the compound is:

Discussion

44.	Which of the following aqueous solutions have been arranged in the order of their decreasing freezing points?
Answer» Which of the following aqueous solutions have been arranged in the order of their decreasing freezing points?

Discussion

45.	The synthesis of alkyl fluorides is best accomplished by
Answer» The synthesis of alkyl fluorides is best accomplished by

Discussion

46.	A compound AB has an NaCl like structure. The radius of A+ and B− is 1.14 ∘A and 1.86 ∘A. What is the minimum distance between two A+ ions in angstroms? (Take √2= 1.41)
Answer» A compound AB has an $N a C l$ like structure. The radius of $A^{+}$ and $B^{-}$ is $1.14 \circ A$ and $1.86 \circ A$ . What is the minimum distance between two $A^{+}$ ions in angstroms? (Take $\sqrt{2}$ = 1.41)

Discussion

47.	Assuming same pressure in each case, calculate the mass of hydrogen required to inflate a ballon to a certain volume V at 127°C if 8 g of He is required to inflate the balloon to half its volume, at 27°C. Please explain the solution well.
Answer» Assuming same pressure in each case, calculate the mass of hydrogen required to inflate a ballon to a certain volume V at 127°C if 8 g of He is required to inflate the balloon to half its volume, at 27°C. Please explain the solution well.

47.

Assuming same pressure in each case, calculate the mass of hydrogen required to inflate a ballon to a certain volume V at 127°C if 8 g of He is required to inflate the balloon to half its volume, at 27°C. Please explain the solution well.

Answer»

Assuming same pressure in each case, calculate the mass of hydrogen required to inflate a ballon to a certain volume V at 127°C if 8 g of He is required to inflate the balloon to half its volume, at 27°C.

Please explain the solution well.

Discussion

48.	K1 and K2 for oxalic acid C2H2O4 are 6.5×10−2 and 6.1×10−5 respectively. What will be [OH−] in a 0.01 M solution of sodium oxalate?
Answer» $K_{1}$ and $K_{2}$ for oxalic acid $C_{2} H_{2} O_{4}$ are $6.5 \times 10^{- 2}$ and $6.1 \times 10^{- 5}$ respectively. What will be $[O H^{-}]$ in a 0.01 M solution of sodium oxalate?

Discussion

49.	Identify the monomer in the following polymeric structures. [−O\|\|C−(CH2)8−O\|\|C−NH−(CH2)6−NH−]n
Answer» Identify the monomer in the following polymeric structures. $[- O \| \| C - (C H_{2})_{8} - O \| \| C - N H - (C H_{2})_{6} - N H -]_{n}$

49.

Identify the monomer in the following polymeric structures. [−O||C−(CH2)8−O||C−NH−(CH2)6−NH−]n

Answer»

Identify the monomer in the following polymeric structures.

$[- O | | C - (C H_{2})_{8} - O | | C - N H - (C H_{2})_{6} - N H -]_{n}$

Discussion

50.	How many structures can compound with molecular formula 'C3H6O' have?
Answer» How many structures can compound with molecular formula 'C₃H₆O' have?

Discussion

Explore topic-wise InterviewSolutions in Current Affairs.

The cubic unit cell of a mixed oxide is composed of oxide ions in a ccp arrangement. One fourth of the tetrahedral voids are occupied by divalent metal 'A' and the octahedral voids are occupied by a monovalent metal 'B'. The formula of the oxide is:

The ratio of 3.44:5.72 is 1:1.66 Can we write it as 3:5(approx)? How?

A proton is accelerated through a potential difference of V volts. The de Broglie's wavelength associated with it is:

What properties of water make it useful as a solvent? What types of compound can it (i) dissolve, and (ii) hydrolyse?

A. Don't presume that every pilgrim will return safe and sound from the Kumbh fair since there's many a slip betwixt the cup and the lip. B. The gifts of the father and the son were similar. C. If I were he, I should not go. D. Finally the championship game ended with the result 5-2 to Germany.

The shape of a 3p orbital resembles:

Chloro compound of Vanadium has only spin magnetic moment of 1.73 BM. This Vanadium chloride has the formula: (at. no. of V = 23)

The Van't Hoff factor i for a 0.2 molal aqueous solution of urea is:

Which of the following carbanion is least stable?

The close packing sequence ABABAB in 3-D represents which of the following?

Rosenmund's reduction of an acyl chloride gives:

What is the number of water molecules contained in a drop of water weigh 0.06gram

Chlorine water on standing loses its yellow colour due to the formation of:

When the temperature goes up, the pressure inside a rigid container will _____.

In the reaction 'D' is

The value of Kc for the reaction, CO(g)+H2O(g)⇌CO2(g)+H2(g) is 1. A mixture of 1 mole of water vapour and 3 moles of CO forms an equilibrium at a total pressure of 2 atm. Calculate the partial pressure of hydrogen gas.

Which among the following compounds will give maximum enol content in solution?

The electro negativity of group 14 elements are:

The decreasing order of the repulsive interactions between various electron pairs is:

In the nuclear reaction 12Mg24+2He4=0n1+? The product nucleus is

Which of the following species is not expected to be a ligand? (a) NO (b) NH+4 (c) NH2CH2CH2NH2 (d) CO

The bond order is maximum in:

Column-I-Compound, Column-II-Oxidation state, Column-III-Type of linkage Column 1Column 2Column 3(I)Na2S2O3(i)+5(P)S−O−S(II)Na2S4O6(ii)−2(Q)S−S(III)H2S2O7(iii)+6(R)−(O−O)−(IV)H2S2O8(iv)+4(S)S=S The only correct combination in which the oxidation state of one of the sulphur is zero.

Why CO−23 ion cannot be represented by single Lewis structure? How can it be best represented?

For the following balanced equation : aFe2++bCr2O2−7+cH+⟶dFe3++eCr3++ fH2O The value of a+b+c+d+e+f is :36

[IIT 1986; AMU 2002; AIEEE 2003]

Vapour pressure of a solution of 5g of non-electrolyte in 100g of water at a particular temperature is 2985 N/m2. The vapour pressure of pure water is 3000 N/m2. The molecular weight of the solute is:

In which case Raoult's law is not applicable:

The correct increasing order of dipole moments for the given molecules is: (BF3,NF3 and NH3)

The thermal stability of alkaline earth metal carbonates–MgCO3, CaCO3, SrCO3 and BaCO3, follows the order:

Question 25 CO is isoelectronic with (a) NO+ (b) N2 (c) SnCl2 (d) NO−2

How many of the following are more acidic than HCOOH? Acetic acid, Picric acid, Hydrogen chloride, Hydrogen cyanide, Sodium carbonate, p-nitrophenol, p-chlorophenol, p-nitrobenzoic acid and p-chlorobenzoic acid.

The aqueous solution containing which one of the following ions will be colourless

Which of the following statements is true about actinides

The electron affinities of halogens are F=322, Cl=349, Br=324, I=295kJmol−1. The higher value for Cl as compared to that of F is due to

Why is the C - O - H bond angle in alcohols slightly less than the tetrahedral angle whereas the C - O - C bond angle in ether is slightly greater?

A sodium salt on treatment with MgCl2 gives white precipitate only one heating. The anion of the sodium salt is

The equilibrium constant Kc of the reaction, A2(g)+B2(g)⇌2AB(g) at 100∘C is 64. If a one litre flask containing one mole of A2 is connected to a two litre flask containing one mole of B2, how many moles of AB will be formed at 373 K?

0.1M solution of NH4OH is 1.344% dissociated at equilibrium calculate Kb

A compound is made by mixing cobalt(III) nitrite and potassium nitrite solutions in the ratio of 1:3. The aqueous solution of the compound showed 4 particles per molecule whereas molar conductivity reveals the presence of 4 ions. The formula of the compound is:

Which of the following aqueous solutions have been arranged in the order of their decreasing freezing points?

The synthesis of alkyl fluorides is best accomplished by

A compound AB has an NaCl like structure. The radius of A+ and B− is 1.14 ∘A and 1.86 ∘A. What is the minimum distance between two A+ ions in angstroms? (Take √2= 1.41)

Assuming same pressure in each case, calculate the mass of hydrogen required to inflate a ballon to a certain volume V at 127°C if 8 g of He is required to inflate the balloon to half its volume, at 27°C. Please explain the solution well.

K1 and K2 for oxalic acid C2H2O4 are 6.5×10−2 and 6.1×10−5 respectively. What will be [OH−] in a 0.01 M solution of sodium oxalate?

Identify the monomer in the following polymeric structures. [−O||C−(CH2)8−O||C−NH−(CH2)6−NH−]n

How many structures can compound with molecular formula 'C3H6O' have?