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Which of the following compounds will gi...

Which of the following compounds will give racemic mixture on nucleophilic substitution by `OH^(-)` ion?
`(I) CH_3-underset(C_2H_5)underset(|)"CH"-Br`
(II) `CH_3-underset(C_2H_5)underset(|)overset(Br)overset(|)C-CH_3`
(III) `CH_3-underset(C_2H_5)underst(|)(CH)CH_2Br`

A

(I)

B

(I),(II),(III)

C

(II),(III)

D

(I),(III)

Text Solution

Verified by Experts

The correct Answer is:
A
In compound (I), Br is directly attached to chiral C atom thus, will give racemic mixture on nucleophilic substitution `(S_N^1)` by `OH^(-)` ion.
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Which of the following compounds will give racemic mixture on nucleophilic substitution by OH^(-) ion? (I) CH_(3)-underset(C_(2)H_(5))underset(|)(C)H-Br (II) CH_(3)-underset(C_(2)H_(5))underset(|)overset(Br)overset(|)(C)-CH_(3) (III) CH_(3)-underset(C_(2)H_(5))underset(|)(C)H-CH_(2)Br

Which of the following compounds will give racemic mixture on nucleophillc substitution. (a) H_3C-underset(C_2H_5)underset(|) (CH)-Br (b) CH_3-underset(C_2H_5)underset(|)overset(Br)overset(|)C-CH_3 (c) CH_2-underset(C_2H_5)underset(|)(CH)-CH_2Br

IUPAC name of CH_3-underset(C_2H_5)underset(|)overset(H)overset(|)C-underset(CH_3)underset(|)overset(C_4H_9)overset(|)C-CH_3 is

CH_(3)underset(Br)underset(|)CH-overset(CH_(3))overset(|)underset(OH)underset(|)(C)-C-O-CH_(3)

Write the IUPAC name of the following: H_(3)C-underset(CH_(3))underset(|)(N)-underset(C_(2)H_(5))underset(|)overset(CH_(3))overset(|)(C)-CH_(2)CH_(3)

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