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What are the products of rxn …

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What are the products of rxn of ethyne with Lindlar's catalyst and sodium in liquid ammonia?????plz be quick!!!!

Posted by Yakshi ? 7 years ago

CBSE > Class 11 > Chemistry

6 answers

Ankit Singh 7 years ago

Ooo thank u ???

Yakshi ? 7 years ago

?✔✔✔

Ankit Singh 7 years ago

My answer is right or not

Ankit Singh 7 years ago

???

Ankit Singh 7 years ago

Alkynes can also be hydrogenated with sodium in liquid ammonia at low temperatures. This reaction is a chemical reduction rather than a catalytic reaction, so the hydrogen atoms are not attached to a surface, and they may approach an alkene from different directions, leading to the formation of trans alkenes.

Ankit Singh 7 years ago

Lindlar catalyst (palladium on Ba S O 4 , poisoned with quinoline) is frequently used for this hydrogenation which stereospecifically yields cis products. Reduction of alkynes with sodium in liquid ammonia (solvated electrons) yields trans alkenes.

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