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Byju's Answer
Standard XII
Chemistry
Uses of Hydrogen
Hydrogen blow...
Question
Hydrogen blow torch is based on :
A
short bond length of
H
2
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B
high bond energy of
H
2
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C
high calorific value of
H
2
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D
least molecular weight
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Solution
The correct option is
C
high calorific value of
H
2
Hydrogen blow torch is based on high calorific value of
H
2
.
Hence the correct option is C.
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Similar questions
Q.
Amongst
H
2
O
,
H
2
S
,
H
2
S
e
a
n
d
H
2
T
e
and the one with the highest boiling point is
Q.
H
2
O
(
g
)
→
H
(
g
)
+
O
H
(
g
)
:
Δ
H
1
=
x
1
O
H
(
g
)
→
H
(
g
)
+
O
(
g
)
:
Δ
H
2
=
x
2
Based on the above given data, determine the bond energy (BE) of
O
−
H
bond :
Q.
The energy required to break one mole of hydrogen-hydrogen bonds in
H
2
is
436
k
J
. What is the longest wavelength of light required to break a single hydrogen-hydrogen bond?
Q.
The covalent radius of hydrogen is
0.37
A
∘
. The bond length in
H
2
molecule is:
Q.
Assertion : Bond order of
H
+
2
is
0.5.
Reason : Electrons are removed from the antibonding molecular orbital from
H
2
.
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