Questions
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 boric acid and hydrogen
iii) Boron reacts with SiO2 to form Si and B2O3
detailed solution
Correct option is D
(i) Boron reacts with concentrated HNO3 to form nitric oxide and boric acid.B+HNO3+H2O→H3BO3+NO(ii) Boron reacts with fused Sodium Hydroxide to form Sodium Borate and Hydrogen. B+6NaOH→2Na3BO3+3H2(iii) Boron reacts with SiO2 to form Si and B2O3 4B+3SiO2→3Si+2B2O3Similar Questions
The correct order of matching of the following compounds is
(A) Borazine (B) Plaster of Paris (C) Boric acid (C) Qwartz (E) Buckminsterfullerene | (i) (ii) C60 (iii) SiO2 (iv) B3N3H6 (v) H3BO3 |
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