Choose the correct set of reagents for the following conversion. trans ( Ph - CH = CH - CH 3) arrow operatornamecis( Ph - CH = CH - CH 3)

Question

Choose the correct set of reagents for the following conversion. trans ( Ph - CH = CH - CH 3) arrow operatornamecis( Ph - CH = CH - CH 3) (A) Br 2, alc ⋅ KOH , NaNH 2, Na ( Liq NH 3) (B) Br 2, alc ⋅ KOH , NaNH 2, H 2 Lindlar Catalyst (C) Br 2, aq ⋅ KOH , NaNH 2, H 2 Lindlar Catalyst (D) Br 2, aq ⋅ KOH , NaNH 2, Na ( Liq NH 3)

Tardigrade Admin · Accepted Answer

Correct answer is (b) Br 2, alc ⋅ KOH , NaNH 2, H 2 Lindlar Catalyst

Q. Choose the correct set of reagents for the following conversion. trans $(P h - C H = C H - C H_{3}) \to cis (P h - C H = C H - C H_{3})$

$B r_{2}$ , alc $\cdot K O H, N a N H_{2}, N a (L i qN H_{3})$

$B r_{2}$ , alc $\cdot K O H, N a N H_{2}, H_{2}$ Lindlar Catalyst

$B r_{2}$ , aq $\cdot K O H, N a N H_{2}, H_{2}$ Lindlar Catalyst

$B r_{2}, a q \cdot K O H, N a N H_{2}, N a (L i qN H_{3})$

Correct answer is (b) $B r_{2}$ , alc $\cdot K O H, N a N H_{2}, H_{2}$ Lindlar Catalyst

Q. Choose the correct set of reagents for the following conversion. trans (Ph−CH=CH−CH3​)→cis(Ph−CH=CH−CH3​)

Br2​, alc ⋅KOH,NaNH2​,Na(LiqNH3​)

Br2​, alc ⋅KOH,NaNH2​,H2​ Lindlar Catalyst

Br2​, aq ⋅KOH,NaNH2​,H2​ Lindlar Catalyst

Br2​,aq⋅KOH,NaNH2​,Na(LiqNH3​)