Among the following, the correct order of acidity is

1. HClO < HClO₂ < HClO₃ < HClO₄

2. HClO₂ < HClO < HClO₃ < HCLO₄

3. HClO₄ < HClO2 < HClO < HClO₃

4. HClO₃ < HClO₄ < HClO₂ < HClO

MY and NY₃ , two nearly insoluble salts, have the same Ksp values of 6.2 x 10^-13 at room

temperature. Which statement would be true in regard to MY and NY₃?

1. The molar solubility of MY in water is less than that of NY₃

2. The salts MY and NY₃ are more soluble in 0.5 M KY than in pure water

3. The addition of the salt of KY to solution of MY and NY₃ will have no effect on their

solubilities

4. The molar solubilities of MY and NY₃ in water are identical

Consider the nitration of benzene using mixed conc. H₂SO₄ and HNO₃. If a large amount

of KHSO₄ is added to the mixture, the rate of nitration will be

1. slower 

2. unchanged

3. doubled

4. faster

Consider the following liquid-vapour equilibrium

              Liquid $\rightleftharpoons$Vapour

Which of the following relations is correct?

1. 

2. 

3. 

4. 

If the value of an equilibrium constant for a particular reaction is 1.6 x 10¹², then at equilibrium the system will contain

1. 100% reactants

2. mostly reactants

3. mostly products

4.  reactants and products in ratio of 1:1

The Ksp of Ag₂CrO₄, AgCl, AgBr and Agl are, respectively, 1.1x10^-12, 1.8x10^-10, 5.0x10^-13, and 8.3x10^-17. The salt precipitates that last if the AgNO₃ solution is added to the solution containing equal moles of NaCl, NaBr, Nal and Na₂CrO₄ is -

Which of the following statements is correct for a reversible process in a state of

equilibrium?

1. ΔG = -2.30 RT logK

2. ΔG = 2.30 RT log K

3. ΔG° = -2.30 RT logK

4. ΔG° = 2.30 RT logK

The pH of the resulting solution when equal volumes of 0.1 M NaOH and 0.01 M HCl are mixed is:

1. 12.65

2. 2.04

3. 7.01

4. 1.35

Among the following pairs of solution the one which is not an acidic buffer is:

1. HClO₄ and NaClO₄

2. CH₃COOH and CH₃COONa

3. H₂CO₃ and Na₂CO₃

4. H₃PO₄ and Na₃PO₄

If the equilibrium constant for N₂(g)+O₂(g)$\rightleftharpoons$2NO(g) is K, the equilibrium constant for

$\frac{1}{2}$N₂(g) + $\frac{1}{2}$O₂(g)$\rightleftharpoons$NO(g) will be,

1. K^1/2

2. $\frac{1}{2}K$

3. K

4. K²