Chemistry : Equilibrium

Assertion : Copper metal gets readily corroded in acidic aqueous solution.

Reason : Free energy change for this process is negative.

• If both assertion and reason are true and reason is the correct explanation of assertion.

• If both assertion and reason are true but reason is not the correct explanation of assertion.

• If assertion is true but reason is false.

• If both assertion and reason are false.

Assertion : The equilibrium constant is fixed and a characteristic for any given chemical reaction at a specified temperature.

Reason : The composition of the final equilibrium mixture at a particular temperature depends upon the starting amount of reactants.

• If both assertion and reason are true and reason is the correct explanation of assertion.

• If both assertion and reason are true but reason is not the correct explanation of assertion.

• If assertion is true but reason is false.

• If both assertion and reason are false.

Hydrolysis of sodium acetate gives :

• acidic solution

• basic solution

• amphoteric solution

• neutral solution

Cationic hydrolysis gives the following solution :

• acidic

• basic

• neutral

• amphoteric

Number of moles of K₂Cr₂O₇ reduced by one mole of Sn²⁺: 

• $\frac{1}{3}$

• 3

• $\frac{1}{6}$

• 6

Suitable condition for melting of ice :

• high temp. and high pressure

• high temp. and low pressure

• low temp. and low pressure

• low temp. high pressure

Least ionised salt is :

• KCl

• AgCl

• MgCl₂

• CaCl₂

Which among the following is an electron deficient compound ?

• NF₃

• PF₃

• BF₃

• AsF₃

The solubility of in water is Sb₂S₃ in water is 1.0 x 10^-5 mol/litre at 298 K .What will be its solubility product ?

• 108 x 10^-25

• 1.0 x 10^-25

• 144 x 10^-25

• 126 x 10^-25

What will be the pH value of 0.05 M Ba(OH)₂ solution ?

• 12

• 13

• 1

• 12.96