NEET Chemistry The s-Block Elements Questions Solved

Calcium imide on hydrolysis gives gas (B) which on oxidation by bleaching powder gives gas (C). Gas (C) on reaction with magnesium give compound (D) which on hydrolysis gives again gas (B)> Identify (B), (C) and (D).

(a) NH3, N2, Mg3N2                   (b) N2, NH3, MgNH

(c) N2, N2O5, MgNO32              (d)NH3 ,NO2, MgNO22 

(a) CaNH+2H2O CaOH2+NH3gB



     Mg2N2D+ 6H2O3MgOH2+2NH3B

Difficulty Level:

  • 49%
  • 23%
  • 21%
  • 9%
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