You visited us 21 times! Enjoying our articles? Unlock Full Access!

Byju's Answer

Standard XII

Chemistry

Reaction with Metals

The correct o...

Question

The correct order of stability for the following superoxides is

KO2 > RbO2 > CsO2

No worries! We‘ve got your back. Try BYJU‘S free classes today!

RbO2 > CsO2 > KO2

No worries! We‘ve got your back. Try BYJU‘S free classes today!

CsO2 > RbO2 > KO2

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

KO2 > CsO2 > RbO2

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is C
CsO2 > RbO2 > KO2

Super oxide stability increases with increase in size of cation.

Suggest Corrections

Similar questions

Q. Assertion :The oxidation state of superoxide ion in

{K O}_{2}, {C s O}_{2}

and

{R b O}_{2}

- \frac{1}{2}

. Reason: Since the oxidation state of an alkali metal in any compound is always

+ 1

, the oxidation state of oxygen is

\frac{1}{2}

in the

O_{2}^{-}

ion.

Read the above assertion and reason and choose the correct option regarding it.

Q. The oxidation state of Na, K, Rb respectively in

N a_{2} O_{2}, K O_{2}, R b O_{2}

is :

The stability of $K_{2} O$ , $K_{2} O_{2}$ and $K O_{2}$ is in order $K_{2} O < K_{2} O_{2} < K O_{2}$ . The increasing stability at the size of metal ion increases is due to stabilization of:

Q. Among

[N i (C O)_{4}]

[N i C l_{4}]^{2 -}

[C o (N H_{3})_{4} C l_{2}] C l

N a_{3} [C o F_{6}]

N a_{2} O_{2}

and

C s O_{2}

, the total number of paramagnetic compounds are:

Among $[N i (C o)_{4}], [N i C l_{4}]^{2 -}, [C o (N H_{3})_{4} C l_{2}] C l, N a_{2} [C o F_{6}]^{3 +}, N a_{2} O_{2} a n d C s O_{2},$ the total number of paramagnetic compounds is

Join BYJU'S Learning Program

The correct order of stability for the following superoxides is

The correct option is C CsO2 > RbO2 > KO2 Super oxide stability increases with increase in size of cation.

The correct option is C
CsO2 > RbO2 > KO2

Super oxide stability increases with increase in size of cation.