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Standard XII
Chemistry
Nucleic Acids
THE CORRECT I...
Question
THE CORRECT INCREASING ORDER OF H-M-H BOND ANGLE IN NH3 , PH3 , SBH3 , BiH3 is--------
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Similar questions
Q.
Arrange
N
H
3
,
P
H
3
,
A
s
H
3
,
S
b
H
3
in increasing
bond angle.
Q.
Arrange the following in the increasing order of their basic character:
N
H
3
,
P
H
3
,
A
S
H
3
,
S
b
H
3
,
B
i
H
3
Q.
Which of the following orders is/are correct?
1.
S
b
H
3
>
N
H
3
>
A
s
H
3
>
P
H
3
(Boiling point)
2.
N
H
3
>
P
H
3
>
A
s
H
3
>
S
b
H
3
(Thermal stability)
3.
N
H
3
>
P
H
3
>
A
s
H
3
>
S
b
H
3
(Basic character)
4.
N
H
3
>
P
H
3
>
A
s
H
3
>
S
b
H
3
(Bond angle)
Q.
Arrange the following in order of property indicated for each set:
a.
F
2
,
C
l
2
,
B
r
2
,
I
2
- increasing bond dissociation enthalpy.
b.
H
F
,
H
C
l
,
H
B
r
,
H
I
- increasing acid strength.
c.
N
H
3
,
P
H
3
,
A
s
H
3
,
S
b
H
3
,
B
i
H
3
- increasing base strength.
Q.
Assertion: The boiling point order of group
15
hydrides is
P
H
3
<
A
s
H
3
<
N
H
3
<
S
b
H
3
<
B
i
H
3
.
Reason:
H
-bonding in
N
H
3
dominates van der Waals forces in bigger
S
b
molecules.
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