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Valency and Oxidation State

If m1 g of ...

Question

If $m_{1}$ g of metal A displaces $m_{2}$ g of another metal B from its salt solution and if their equivalent weights are $E_{1}$ and $E_{2}$ respectively, then the equivalent weight of A can be expressed by:

A

E_{1} = \frac{m_{1}}{m_{2}} \times E_{2}

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B

E_{1} = \frac{m_{2} \times E_{2}}{m_{1}}

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C

E_{1} = \frac{m_{1} \times m_{2}}{E_{2}}

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D

E_{1} = \sqrt{\frac{m_{1}}{m_{2}} \times E_{2}}

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Solution

The correct option is B $E_{1} = \frac{m_{1}}{m_{2}} \times E_{2}$
If $m_{1}$ gm of a metal displaces $m_{2}$ gm of another metal from its salt. Then the ratio of $m_{1}$ and $m_{2}$ will be equal to the ratio of equivalent weights.

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