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Byju's Answer
Standard XII
Chemistry
Factors Affected by Hydrogen Bonding
Why BiH3 has ...
Question
Why BiH3 has greater melting point than NH3 [H-bonding between H and N]. Why BiH3 and SbH3 have greater Boiling point than Nh3 [N and H have H-bonding]
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Similar questions
Q.
Assertion: The boiling point of
H
2
O
is higher than the boiling point of
H
2
S
.
Reason
:
H
2
S
has a greater molecular mass than
H
2
O
.
Q.
I: The boiling point of
H
2
O
is higher than the boiling point of
H
2
S
.
II:
H
2
S
has a greater molecular mass than
H
2
O
.
Q.
Among
N
H
3
,
H
2
and
H
F
which would you expect to have the highest magnitude of hydrogen bonding and why?
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.
Q.
The correct order of bond angles (smallest first) for
H
2
S
,
N
H
3
,
B
F
3
and
S
i
H
4
is:
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