\({ X }_{ m }{ Y }_{ n(s) }\overset { { H }_{ 2 }O }{ \rightleftharpoons } { mX }_{ (aq) }^{ n+ }+{ nY }_{ (aq) }^{ m- }\)

(a)

\({ [{ X }^{ n+ }] }^{ m }{ [Y^{ m- }] }^{ n }\)

(b)

\({ [X }^{ n+ }][{ Y }^{ m- }]\)

(c)

\({ [{ X }^{ n+ }] }^{ m }/{ [Y^{ m- }] }^{ n }\)

(d)

\({ [X }^{ n+ }]/[{ Y }^{ m- }]\)

 Which among the following is incorrect regarding acids?

(a)

It produces H⁺ ions in aqueous solution

(b)

It can donate a proton to another substance

(c)

It can accept a proton from another substance

(d)

It accepts a pair of electrons

When sodium acetate is added to acetic acid, the degree of ionisation of acetic acid _______.

(a)

increases

(b)

decreases

(c)

dose not change

(d)

becomes zero

Which one of the following formula represents Ostwald's dilution law for a binary whose degree of dissociation is a and concentration C.

(a)

\(K=\frac{(1-α)C}{α}\)

(b)

\(K=\frac{α^2C}{1-a}\)

(c)

K = \(\frac{(1-a)C}{a^2}\)

(d)

K = \(\frac{α^2C}{(1-α)c}\)

Which one of the following relationship is correct?

(a)

\(pH=\frac { 1 }{ [{ H }^{ + }] } \)

(b)

\(pH={ \log }_{ 10 }[{ H }^{ + }]\)

(c)

\({ \log }_{ 10 }pH=[{ H }^{ + }]\)

(d)

\(pH={ \log }_{ 10 }\frac { 1 }{ [{ H }^{ + }] } \)