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Byju's Answer
Standard XII
Chemistry
Redox Reactions
Which of the ...
Question
Which of the following are
S
N
2
reactions?
A
M
e
3
C
−
B
r
+
E
t
B
r
⟶
M
e
3
C
−
E
t
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B
M
e
3
C
−
B
r
+
K
O
H
⟶
M
e
3
C
−
O
H
+
K
B
r
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C
E
t
−
I
+
E
t
O
N
a
⟶
E
t
−
O
−
E
t
+
N
a
I
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D
E
t
−
C
l
+
N
a
O
H
⟶
E
t
O
H
+
N
a
C
l
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Solution
The correct options are
C
E
t
−
I
+
E
t
O
N
a
⟶
E
t
−
O
−
E
t
+
N
a
I
D
E
t
−
C
l
+
N
a
O
H
⟶
E
t
O
H
+
N
a
C
l
1
o
R
X
undergoes
S
N
2
reaction due to lesser steric hindrance.
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0
Similar questions
Q.
The decreasing order of +I effect of the following is
:
I.
−
O
⊖
II.
M
e
−
III.
E
t
−
IV.
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e
2
C
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−
V.
M
e
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Q.
In the reaction:
M
e
3
C
−
O
−
C
H
2
C
H
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+
H
I
(
1 mole
)
Δ
−
→
Q.
Products for the given reaction.
M
e
3
C
−
O
−
C
H
2
C
H
3
+
H
I
1
mole
Δ
⟶
Q.
Give the decreasing order of hyperconjugative effect of R in
R
−
C
H
=
C
H
2
,
where R is:
I.
M
e
II.
E
t
III.
M
e
2
C
H
IV.
M
e
3
C
Q.
Give the decreasing order of hyperconjugative effect of
′
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′
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−
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H
=
C
H
2
, where
′
R
′
is:
I.
M
e
−
II.
E
t
−
III.
M
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2
C
H
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IV.
M
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C
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