A current of 4.0 ampere is passed for 5 hour through \( 1 \mathrm{~L} \) of 2 M solution of nick...

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A current of 4.0 ampere is passed for 5 hour through \( 1 \mathrm{~L} \) of 2 M solution of nickel nitrate using two nickel electrodes. The molarity of the solution at the end of the electrolysis will be
(a) \( 1.5 \mathrm{M} \)
(b) \( 1.2 \mathrm{M} \)
(c) \( 2.5 \mathrm{M} \)
(d) \( 2.0 \mathrm{M} \)
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