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Question

The amount of silver deposited on passing $$2F$$ of electricity through aqueous solution of $$AgNO_{3}$$ is______________.


A
54 g
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B
108 g
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C
216 g
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D
324 g
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Solution

The correct option is D $$216\ g$$
$${ Ag }^{ + }+{ e }^{ - }\rightarrow Ag$$
2F electricity implies 2 molesof electrons are supplied.
From the equation 1 mole of Ag is formed for 1 mole of electron supplied.
For 2 moles electrons, 2 moles of Ag is formed.
mass of Ag$$=2\times 108=216g$$

Chemistry

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