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Types of Redox Reactions

When 23 g Na ...

Question

When 23g Na reacts with 1 mole of propyne then how many mole of $H_{2}$ gas will be released:-

1 mole

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\frac{1}{2}

mole

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1.5 mole

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2 mole

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Solution

The correct option is B $\frac{1}{2}$ mole
$N a + C H_{3} - C \equiv C H \to C H_{3} C \equiv C N a + \frac{1}{2} H_{2}$
1 mole 1 mole $\frac{1}{2}$ mole

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