Which of the following is electron-deficient?

34 2013 NEET The p-Block ElementsBoron hydrides Easy
Which of the following is electron-deficient?
A $PH_3$
B $(CH_3)_2$
C $(SiH_3)_2$
D $(BH_3)_2$

Detailed Solution

$(BH_3)_2$ is $B_2H_6$, which has 3-centre-2-electron (B–H–B) bridge bonds.

So it is electron deficient.

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