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Equivalent Mass

One mole of f...

Question

One mole of fluorine is reacted with two moles of hot and concentrated $K O H$ . The products formed are $K F, H_{2} O$ and $O_{2}$ The molar ratio of $K F, H_{2} O$ and $O_{2}$ , respectively is;

1 : 1 : 2

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2 : 1 : 0.5

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1 : 2 : 1

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2 : 1 : 2

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Solution

The correct option is B $2 : 1 : 0.5$
The chemical reaction is
$2 F_{2} + 4 K O H \to 4 K F + O_{2} + 2 H_{2} O$
Therefore, for $1 m o l e$ of $F_{2}$ the molar ratio will be $2 : 1 : 0.5$

Hence the correct answer is option (b).

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