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NTA Abhyas JEE Main2020Chemistryp Block Elements (Group 15, 16, 17 & 18)Practice

Z n C 1 2 reacts with excess of N H 3 solution to produce

Options

  1. AA ppt of Z n O H 2
  2. BA complex ion Z n O H 3 4 2 - of tetrahedral geometry
  3. CA complex ion Z n N H 3 4 2 + of tetrahedral geometry
  4. DA complex ion Z n N H 3 4 2 + of square planar geometry

Correct answer

C. A complex ion Z n N H 3 4 2 + of tetrahedral geometry

Step-by-step solution

ZnCl 2 + NH 3 → [ Zn ( NH 3 ) 4 ] 2 + Cl 2 − Z n N H 3 4 2 + is s p 3 hybridised (Soluble complex)

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