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Byju's Answer
Standard XIII
Chemistry
Organic Compounds
⊖CH3, ⊖NH2, O...
Question
⊖
C
H
3
,
⊖
N
H
2
,
O
H
⊖
,
F
⊖
in increasing
p
K
b
values
A
⊖
C
H
3
,
<
⊖
N
H
2
<
O
H
⊖
<
F
⊖
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B
F
⊖
<
O
H
⊖
<
⊖
N
H
2
<
⊖
C
H
3
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C
O
H
⊖
<
⊖
N
H
2
<
⊖
C
H
3
<
F
⊖
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D
none is correct
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Solution
The correct option is
A
⊖
C
H
3
,
<
⊖
N
H
2
<
O
H
⊖
<
F
⊖
In a period, basicity of anion increases as the
p
K
b
value and electronegative value decreases.
Electronegativity order is
F>O>N>C
So, F being the most electronegative atom, the
p
K
b
value will be the highest.
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Similar questions
Q.
⊖
C
H
3
,
⊖
N
H
2
,
O
H
⊖
,
F
⊖
in increasing
p
K
b
values
Q.
The increasing order of
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K
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value of the following is:
I
.
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≡
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⊖
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Q.
Arrange the following in the decreasing order of hydrogen bonding.
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4
,
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−
O
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C
H
3
−
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,
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−
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Q.
The nucleophilicities of
C
H
⊖
3
,
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H
⊖
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,
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⊖
&
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⊖
decrease in which order?
Q.
What is the decreasing order of strength of the bases
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−
,
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