Q6 / 213 · NTA Abhyas (NEET) 2020 · Chemistry · s Block Elements

Which of the alkali metals form complex hydrides?

A
Li
B
Na
C
K
Correct answer
D
Both A and B

Solution

Both Li and Na form complex hydrides,

L i A l H_{4}

and

N a B H_{4}

.

2 M H + B_{2} H_{6} \to 2 M^{+} [B H_{4}]^{-}

(M = Li or Na)

Hence, the correct answer is option: 'D'.

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