. Which compound is electron deficient
(a) BeCl2
(b) BCl3
(c) CCl4
(d) PCl5
Best Answer
Correct Option is (b) :
BCl3 is an electron-deficient compound. As boron has three valence electrons, it forms 3 single bonds with chlorine, In total the boron atom gives 6 electrons in the outermost shell.
It still lacks 2 electrons to complete its octet. So BCl3 is an electron-deficient compoun
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