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  4. Certain gram equivalents of an ion is reduced to the element when it absorbs 6 × 1022 electrons. The number of equivalents of the ion is

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Q. Certain gram equivalents of an ion is reduced to the element when it absorbs $6 \times 10^{22}$ electrons. The number of equivalents of the ion is

Electrochemistry

Solution:

$6 \times 10^{23}$ electrons reduce $1 \,g$ eq. of the ion

$\therefore 6 \times 10^{22}$ electrons reduce $=\frac{6 \times 10^{22}}{6 \times 10^{23}}=0.1\, g$ eq. of the ion.