p-Block Elements - I
medium

निम्नलिखित में से कौन-सा तत्त्व $MF _{6}^{3-}$ आयन बनाने में असमर्थ है ?

A

$Ga$

B

$Al$

C

$B$

D

$In$

(NEET-2018)

Solution

$\mathrm{MF}_{6}^{-3}$

Boron belongs to $2^{\text {nd }}$ period and it does not have vacant $d-$orbital.

Standard 11
Chemistry

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