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Electro Chemistry — Chemistry STD 12 — Question

Tamilnadu BoardEnglish MediumSTD 12ChemistryElectro Chemistry1 Mark
MCQ
Which colourless gas evolves when $NH _4 Cl$ reacts with Zinc in a dry cell battery?
  • A
    $NH _3$
  • B
    $N _2$
  • ✓
    $H _2$
  • D
    $Cl _2$
✓

Answer

Correct option: C.
$H _2$
(c) $H _2$Hint: $2 NH _4 Cl + Zn \rightarrow 2 NH _3+ ZnCl _2+ H _2 \uparrow$

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