99 Percentile Qs Bank for JEE MainChemistryp Block Elements (Group 13 & 14)
Which one of the following statements is not correct?
Options
- AMoissan boron is amorphous
- BThe reaction between boron and concentrated HNO ₃ gives N ₂ O
- CAmorphous boron on heating with oxygen forms B ₂ O ₃
- DBoron is a non-conductor of electricity
Correct answer
B. The reaction between boron and concentrated HNO ₃ gives N ₂ O
Step-by-step solution
Boron reacts with concentrated HNO ₃ to give orthoboric acid and nitrogen dioxide. B +3 HNO ₃ H ₃ BO ₃+3 NO ₂