Topic: Electrolytic and galvanic cells, electrode potentials· Redox Reactions and Electrochemistry

During the electrolysis of molten sodium chloride, the time required to produce 0.10 mol of chlorine gas using a current of 3 amperes is

1. 110 minutes

2. 220 minutes

3. 330 minutes

4. 55 minutes

Doubtly Asked 30 Oct 2026 NEET UG 2016 Phase 2 neet Save WhatsApp Report

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Answer: 1. 110 minutes

Key idea: $2Cl^-\rightarrow Cl_2+2e^-$, so 1 mol $Cl_2$ needs 2 F.

$$Q=0.10\times2\times96500=19300\ \mathrm{C}$$$$t=\frac{Q}{I}=\frac{19300}{3}\approx6433\ \mathrm{s}\approx107\ \mathrm{min}\approx110\ \mathrm{min}$$

The nearest option is 110 minutes.

Doubtly AI · 30 Oct 2026 AI-generated · not yet verified Report

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During the electrolysis of molten sodium chloride, the time required to produce 0.10 mol of chlorine gas using a current of 3 amperes is

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