Boron halides are ____

Boron halides are ____
  1. Electron deficient compounds
  2. Ionic compounds
  3. Lewis bases
  4. Used as refractory compounds

Solution

Boron halides are of the form $B X_{3}$.
The number of electrons in valence shell of boron is only six (2 short of octet).
Hence, they are electron deficient compounds. ^

Asked in: JEE-TOPICTESTS-CHEMISTRY

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