Which one of the following statement is not correct?
Boron is a non-conductor of electricity
Amorphous boron on heating with oxygen forms B2O3
Moissan boron is amorphous
The reaction between boron and concentrated HNO3 gives N2O
A
Boron is a non-conductor of electricity
B
The reaction between boron and concentrated HNO3 gives N2O
C
Moissan boron is amorphous
D
Amorphous boron on heating with oxygen forms B2O3
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Solution
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Moissan boron is amorphous boron, obtained by reduction of B2O3 with Na or Mg. It has 95-98 % boron and is black in colour.
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Similar Questions
Q1
Which of the following statements are correct ?
(i) Boron reacts with concentrated HNO3 to form nitric oxide and boric acid (ii) Boron reacts with fused NaOH to form H2O2 and boric acid (iii) Boron reacts with SiO2 to form Si and B2O3