Consider the following reaction sequence- CH 3- C ≡ C - CH 3 ( Pd - BaSO 4/ H 2) A stackrel Br 2 longrightarrow B A B, respectively, are

Question

Consider the following reaction sequence- CH 3- C ≡ C - CH 3 ( Pd - BaSO 4/ H 2) A stackrel Br 2 longrightarrow B A B, respectively, are (A)  (B)  (C)  (D) None of these

Tardigrade Admin · Accepted Answer

With Lindlar’s catalyst, cis-alkene is formed which undergoes anti addition with Br2 to give Racemic mixture.

Q. Consider the following reaction sequence-
$C H_{3} - C \equiv C - C H_{3} \frac{P d - B a S O _{4}}{H _{2}} A ⟶ B r_{2} B$
A & B, respectively, are

None of these

With Lindlar’s catalyst, cis-alkene is formed which undergoes anti addition with $B r_{2}$ to give Racemic mixture.

Q. Consider the following reaction sequence- CH3​−C≡C−CH3​H2​Pd−BaSO4​​A⟶Br2​​B A & B, respectively, are

None of these

With Lindlar’s catalyst, cis-alkene is formed which undergoes anti addition with Br2​ to give Racemic mixture.

Q. Consider the following reaction sequence-
$C H_{3} - C \equiv C - C H_{3} \frac{P d - B a S O _{4}}{H _{2}} A ⟶ B r_{2} B$
A & B, respectively, are

With Lindlar’s catalyst, cis-alkene is formed which undergoes anti addition with $B r_{2}$ to give Racemic mixture.