Electrochemistry 1 Question 30
29. The total number of moles of chlorine gas evolved is
(a) 0.5
(b) 1.0
(c) 2.0
(d) 3.0
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Answer:
Correct Answer: 29. (b)
Solution:
- Moles of $\mathrm{NaCl}$ electrolysed $=4 \times \frac{500}{1000}=2.0$
$\Rightarrow$ moles of $\mathrm{Cl} _{2}$ produced $=1.0$
$ 2 \mathrm{Cl}^{-} \longrightarrow \mathrm{Cl} _{2}+2 e^{-} $
