Pure acetylene has sweet smell, where as impure gives garlic odour due to presence of :

N H_{3}

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P H_{3}

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S b H_{3}

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H C l

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Solution

The correct option is B $P H_{3}$
Impure acetylene gives garlic odour due to presence of phosphine $P H_{3}$ as impurity.

Option B is correct.

Suggest Corrections

Similar questions

Acetylene has 'garlic odour' due to

1. S b H_{3} > N H_{3} > A s H_{3} > P H_{3}

2. N H_{3} > P H_{3} > A s H_{3} > S b H_{3}

3. N H_{3} > P H_{3} > A s H_{3} > S b H_{3}

4. N H_{3} > P H_{3} > A s H_{3} > S b H_{3}

1. S b H_{3} > N H_{3} > A s H_{3} > P H_{3}

2. N H_{3} > P H_{3} > A s H_{3} > S b H_{3}

3. N H_{3} > P H_{3} > A s H_{3} > S b H_{3}

4. N H_{3} > P H_{3} > A s H_{3} > S b H_{3}

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