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NTA Abhyas JEE Main2020Chemistrys Block ElementsPractice

Mg → Heat Air X + Y → H 2 O Z → Colourless gas H 2 O Solution → CuSO 4 (A) Blue coloured solution Substances X, Y, Z and A are solution respectively

Options

  1. AMg 3 N 2 ,   MgO,   NH 3 ,   CuSO 4   ⋅   5H 2 O
  2. BMg(NO 3 ) 2 ,   MgO,   H 2 ,   CuSO 4 ⋅   5H 2 O
  3. CM g 3 N 2 , M g O , N H 3 , C u N H 3 4 S O 4
  4. DMg(NO 3 ) 2 ,   MgO 2 ,   H 2 O 2 ,   CuSO 4 ⋅ 5H 2 O

Correct answer

C. M g 3 N 2 , M g O , N H 3 , C u N H 3 4 S O 4

Step-by-step solution

3 Mg + N 2 → Mg 3 N 2 X Mg 3 N 2 + 6 H 2 O → 3 Mg OH 2 + 2 NH 3 Z 2 Mg + O 2 → MgO Y ; NH 3 + H 2 O → NH 4 OH Solution CuSO 4 + 4 NH 4 OH → Cu N SO 4 + 4 H 2 O

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