The compound(s) which react(s) with NH3 to give boron nitride (BN) is (are):

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KollegeApply · Accepted Answer

B, B2H6 and B2O3 Explanation: 1. \ce{\underset{(Amorphous)}{B} + NH3 ->[Very high temp] BN + H2} 2. \ce{B2H6 + \underset{(Excess)}{NH3} -> (BN)_X} 3. \ce{B2O3 + 2NH3 ->[600^\circ C] 2BN + 3H2O} 4. \ce{HBF4 + NH3 -> [NH4]^\oplus [BF4]^0}

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