\({ \wedge }_{ m }^{ 0 } \ { H }_{ 2 }O\) is equal to __________________.

1

(a)

\(​​​​​​{ \wedge }_{ m }^{ 0 }(HCl)+{ \wedge }_{ m }^{ 0 }(NaOH)-{ \wedge }_{ m }^{ 0 }(NaCl)\)

(b)

\(​​​​​​{ \wedge }_{ m }^{ 0 }(H{ NO }_{ 3 })+{ \wedge }_{ m }^{ 0 }(Na{ NO }_{ 3 })-{ \wedge }_{ m }^{ 0 }(NaoH)\)

(c)

\(​​​​​​{ \wedge }_{ m }^{ 0 }(H{ NO }_{ 3 })+{ \wedge }_{ m }^{ 0 }(NaoH)-{ \wedge }_{ m }^{ 0 }(Na{ NO }_{ 3 })\)

(d)

\(​​​​​​{ \wedge }_{ m }^{ 0 }({ NH }_{ 4 }OH)+{ \wedge }_{ m }^{ 0 }(HCl)-{ \wedge }_{ m }^{ 0 }({ NH }_{ 4 }Cl)\)

What will happen during the electrolysis of aqueous solution of CuSO₄ by using platinum electrodes?

1

(a)

Copper will deposit at cathode

(b)

Copper will deposit at anode

(c)

Oxygen will be released at anode

(d)

Copper will dissolve at anode

Conductivity k, is equal to __________________.

1

(a)

\(\frac { 1 }{ R } \frac { l }{ A } \)

(b)

\(\frac { { G }^{ \ast } }{ R } \)

(c)

\({ \wedge }^{ m }\)

(d)

\(\frac { l }{ A } \)

Molar conductivity of ionic solution depends on -------

1

(a)

temperature

(b)

distance between electrodes

(c)

concentration of electrolytes in solution

(d)

surface area of electrodes

For the given cell, \(Mg|{ Mg }^{ 2+ }||{ Cu }^{ 2+ }|Cu\)

1

(a)

Mg is cathode

(b)

Cu is cathode

(c)

The cell reaction is \(Mg+{ Cu }^{ 2+ }\longrightarrow { Mg }^{ 2+ }+Cu\)

(d)

Cu is the oxidising agent