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in Electrochemistry by (79.0k points)
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What is the amount of chlorine evolved, when 2 A of current is passed for 30 minutes in an aqueous solution of NaCl ?

(a) 9.81 g

(b) 1.32 g

(c) 4.56 g

(d) 12.6 g

1 Answer

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Best answer

Correct option  (b) 1.32 g

Explanation:

As Q = It

Total charge carried  = 2 x 30 x 60  = 3600 C Now, 96500 C of charge deposits 35.5 g chlorine.

= 3600 C of charge will deposit

= 35.5/96500 x 3600 = 1.32 g

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