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AP EAMCET2011Chemistryp Block Elements (Group 13 & 14)

Which one of the following statements is not correct?

Options

  1. AMoissan boron is amorphous
  2. BThe reaction between boron and concentrated HNO ₃ gives N ₂ O
  3. CAmorphous boron on heating with oxygen forms B ₂ O ₃
  4. 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

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