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Question

What is the minimum quantity (in grams) of methyl iodide required for preparing 1 mole of ethane by Wurtz reaction?


[Atomic weight of iodine =127]

A
142g
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B
568g
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C
326g
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D
284g
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Solution

The correct option is D 284g
The reaction is 2CH3I+2NaC2H6+2NaI

One mole of ethane requires two moles of methyl iodide.

The molecular weight of methyl iodide is 142 grams per mole.

Thus, two moles of methyl iodide will weigh 284 grams.

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