99 Percentile Qs Bank for JEE MainChemistryp Block Elements (Group 13 & 14)
Boron reacts with air to give
Options
- AB 2 O 3
- BBN
- CB 2 O 3   and   BN
- DNone
Correct answer
C. B 2 O 3   and   BN
Step-by-step solution
Boron is a chemical element with the symbol B and atomic number 5 . In its crystalline form it is a brittle, dark, lustrous metalloid; in its amorphous form it is a brown powder. Air contains O 2 ,   N 2 in max proportions 4 B + 3 O 2 → 2 B 2 O 3 2 B + N 2 → 2 BN Boron reacts with air to give the mixture of B 2 O 3   and   BN .