Number of electron deficient molecules among the following
$\mathrm{PH}_3, \mathrm{~B}_2 \mathrm{H}_6, \mathrm{CCl}_4, \mathrm{NH}_3$, LiH and $\mathrm{BCl}_3$ is
Select the correct option:
A
00
B
1
C
2
D
3
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
Solution
Electron deficient species have less than 8 electrons (or two electrons for H ) in their valence (incomplete octet)
$\mathrm{B}_2 \mathrm{H}_6, \mathrm{BCl}_3$ have incomplete octet.
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