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Boron reacts with oxygen at 700^(@)C to ...

Boron reacts with oxygen at `700^(@)C` to give (A). Compound (A) reacts with carbon and dry chlorine to give (B) an carbon monoxide. (B) on reduction with `LiAlH_(4)` gives (C ) along with LiCl and `AlCl_(3)`. (C ) on reaction with ammonia at `200^(@)C` gives (D).
In compound (B) :

A

Boron is `sp^2` hybridised

B

B is triangular planar molecule

C

It is a Lewis base

D

Dimer

Text Solution

Verified by Experts

The correct Answer is:
A, B
`4B +3O_(2)overset(700^@C)rarr underset((A))(2B_(2)O_3)`
`B_(2)O_3+3C+3Cl_(2) rarrunderset((B))(2BCl_3)+3CO`
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