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What is the role of ammonia in the reaction at the cathode of a dry cell?

Options

  1. AIt forms a complex with Zn2+
  2. BIt produces electrical energy
  3. CIt generates heat
  4. DIt converts chemical energy into mechanical energy

Correct answer

A. It forms a complex with Zn2+

Step-by-step solution

Ammonia produced in the reaction forms a complex with Zn2+ to give [Zn(NH 3 ) 4 ] 2+ .

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