What product is obtained when 3-hexyne reacts with lithium in liquid ammonia? tr

Question

What product is obtained when 3-hexyne reacts with lithium in liquid ammonia? trans-3-hexene cis-3-hexene 1-hexene trans-2-hexene cis-2-hexene Which sequence of reactions will convert propyne into 2-heptyne? 1. NaNH_2 2. CH_3 CH_2 Cl 1. NaNH_2 2. CH_3 CH_2 CH_2 CH_2 Cl 1. NaNH_2 2. CH_3 CH_2 CH_2 CH_2 CH_2 C1 1. NaNH_2 2. CH_3 CH_2 CH_2C1 1. NaNH_2 2. CH_3 C1 What reagents would you use to convert 2-hexyne to c/s-2-hexene? Na/NH_3(liq) Li/NH_3(liq) H_2/Lindlar's catalyst H_2/Pd H_2/Pt What product is obtained from the hydroboration-oxidation of 1-hexyne? CH_3 CH_2 CH_2 CH_2 CH=O CH_3 CH_2 CH_2 -C(=O)- CH_3 CH_3 CH_2 CH_2 -C(=O)- CH_2 CH_3 CH_3 CH_2 CH_2 CH_2 -C(=O)- CH_3 CH_3 CH_2 CH_2 CH_2 CH_2 CH=O Which of the following pairs are keto-enol tautomers? For a pair of keto-enol tautomers write YES or else write NO.

Explanation / Answer

6)
metal is liquid ammonia forms trans product
Also number of pi bond decraeses by 1
hence product will be trans-3-hexene
Answer: a

i am allowed to answer only 1 question at a time

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