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Byju's Answer
Standard XII
Chemistry
Reactivity with Halogens and Hydrogen (Group 2)
The increasin...
Question
The increasing order of the strength of the hydrogen bond in the following mentioned linkages is:
(
i
)
O
H
−
S
(
i
i
)
S
H
−
O
(
i
i
i
)
F
H
−
F
(
i
v
)
F
H
−
O
A
(i) < (ii) < (iv) < (iii)
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B
(ii) < (i) < (iv) < (iii)
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C
(i) < (ii) < (iii) < (iv)
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D
(ii) < (i) < (iii) < (iv)
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Solution
The correct option is
B
(ii) < (i) < (iv) < (iii)
The strength of
H
−
b
o
n
d
depends on the following factors:
(i) Electronegativity of element covalently bonded to a hydrogen atom.
(ii) Size of the electronegative element.
(iii) Ease of donation of lone pair of electrons by electronegative element.
Electronegativity order
:
F
>
O
>
S
Hence, the order is
(
i
i
)
<
(
i
)
<
(
i
v
)
<
(
i
i
i
)
.
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Similar questions
Q.
The increasing order of the strength of hydrogen bond in the following mentioned linkages is:
(i)
O
H
−
S
(II)
S
H
−
O
(iii)
F
H
−
F
(iv)
F
H
−
O
Q.
Arrange the following compounds in order of increasing dipole moment.
(I) Toluene
(II) m - dichlorobenzene
(III) o - dichlorobenzene
(IV) p - dichlorobenzene
Q.
Arrange the following oxides in the decreasing order of their acidic strengths.
I
.
Z
n
O
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I
.
K
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O
I
I
I
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P
2
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Q.
Which of the following has strongest hydrogen bonds in the following linkages is:
(i)
O
−
H
−
−
−
S
(ii)
S
−
H
−
−
−
O
(iii)
F
−
H
−
−
−
F
(iv)
F
−
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−
−
−
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where,
−
represents covalent bond and
−
−
−
represents hydrogen bond.
Q.
Rearrange the following (
I
to
I
V
) in the order of increasing masses:
(
I
)
0.5
moles of
O
3
(
I
I
)
0.5
g atom of oxygen
(
I
I
I
)
3.011
×
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23
molecules of
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(
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V
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5.6
litre of
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O
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at STP
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