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The trans-alkenes are formed by the reduction of alkynes with

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The trans-alkenes are formed by the reduction of alkynes with
A. `NaBH_4`
B. `Na//liq. NH_3`
C. Sn-HCl
D. `H_2//Pd//C, BaSO_4`
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Correct Answer - B
Na in liquid ammonia carryout anti and partial hydrogenation of alkyne to trans alkene
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