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Byju's Answer
Standard XII
Chemistry
Addition of Sulphuric Acid and Water
The formula o...
Question
The formula of 3-chloro -2, 2-dimethylbutane is:
A
C
H
3
.
C
H
(
C
H
3
)
C
(
C
H
3
)
2
C
l
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B
C
H
3
.
(
C
H
2
)
2
C
H
2
C
l
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C
C
H
3
.
C
(
C
H
3
)
2
C
H
2
C
l
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D
C
H
3
C
H
C
l
C
(
C
H
3
)
3
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Solution
The correct option is
B
C
H
3
C
H
C
l
C
(
C
H
3
)
3
The formula of 3-chloro-2,2-dimethyl butane is
C
H
3
C
H
C
l
(
C
H
3
)
3
.
So answer is D.
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Similar questions
Q.
Examine the given structural formula and select the esters. You may also identify the chemical required for their preparation.
1.
C
H
3
−
C
H
2
−
C
O
O
−
C
H
3
2.
C
H
3
−
C
H
2
−
C
O
O
H
3.
C
H
3
−
C
H
2
−
C
O
−
C
H
3
4.
C
H
3
−
O
H
5.
C
H
3
−
C
H
2
−
C
H
2
O
H
6.
C
H
3
−
C
O
O
H
7.
C
H
3
−
C
O
O
−
C
H
2
−
C
H
2
−
C
H
3
Q.
The rotational energy barrier
i
n
K cal mol
−
1
between the most stable and the least stable conformations of
2,3- dimethylbutane
along
C
2
−
C
3
bond is :
(Given : Energies
K cal mol
−
1
for
H
/
C
H
3
eclipsing =
1.8
,
C
H
3
/
C
H
3
eclipsing =
3.9
,
C
H
3
/
C
H
3
gauche =
0.9
. Torsional strain of
H
/
H
eclipsing is neglected.)
Q.
Write IUPAC names of the following
@CH3-CH2-CH=CH2
@CH3-CH2-CH2-C(CH3)2-CH3
@CH3-CH2-CHO
@CH3-CH(OH)-CH3
@CH3-CH2-CH2-COOH
Q.
Statement 1:
C
H
3
C
H
2
−
O
H
and
C
H
3
−
O
−
C
H
3
are isomers
Statement 2:
C
H
3
C
H
2
−
O
H
and
C
H
3
−
O
−
C
H
3
have the same molecular formula but different structures
Q.
In the Newman projection for 2,2-dimethylbutane,
X
and
Y
can respectively be:
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