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Distinguishing Test of Terminal and Non Terminal Alkynes

Which of the ...

Question

Which of the following alkyne yields butanoic acid as the only product on treatment with ozone followed by hydrolysis?

A

1-Butyne

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B

4-Octyne

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C

2-Hexyne

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D

All of the above.

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Solution

The correct option is B 4-Octyne
If only one product is obtained after ozonolysis, then the alkyne must be symmetrical
For (b) :

For (a) and (c):

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Distinguishing Test of Terminal and Non Terminal Alkynes

Standard XII Chemistry

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