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  4. What is the product of following reaction ? Hex-3-yne-al xrightarrow[(ii) PBr3](i) NaBH4 (iii) Mg ether (iv) CO2/H3O+

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Q. What is the product of following reaction ?
Hex-3-yne-al$\xrightarrow[(ii) PBr_3]{(i) NaBH_4}$
$(iii) Mg$ ether
$(iv) CO_2/H_3O^+$

JEE MainJEE Main 2020Aldehydes Ketones and Carboxylic Acids

Solution:

Correct answer is (b)

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