NEET Chemistry The s-Block Elements Questions Solved


A metal [x] on heating on nitrogen gas gives [Y]. [Y] on treatment with H2O gives a colourless gas which when passed through CuSO4 solution gives a blue colour. [Y] is

(A) MgNO32                                     

(B) Mg3N2

(C) NaN3                                             

(D) MgO

(B)

       3Mg+N2             Mg3N2Mg3XN2+6H2O                3YMgOH3+2NH3CuSO4+4NH3                CuNH34SO4  blue colour

Difficulty Level:

  • 16%
  • 57%
  • 17%
  • 12%
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