Consider the following statements and c...

Consider the following statements and choose the CORRECT statement .
(i) `Cs^(+)` ion is more highly hydrated than other alkali metal ions.
(ii)Among the alkali metals , only lithium forms a stable nitride by direct combination with nitrogen .
(iii)Among alkali metal Li , Na ,K , Rb , the metal ,Rb has the highest melting point
(iv) Among alkali metals Li, Na , K , Rb , only Li forms peroxide when heated with oxygen ,
(iv)

A

I

B

II

C

III

D

IV

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The correct Answer is:

B

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