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Byju's Answer
Standard XII
Chemistry
Limiting Reagent or Reactant
10mL N2 and...
Question
10
m
L
N
2
and
25
m
L
H
2
at same P and T are allowed to react to give
N
H
3
quantitatively. Predict (i) the column of
N
H
3
formed, (ii) limiting reagent.
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Solution
At same
P
and
T
, volume
α
no. of moles.
N
2
+
3
H
2
⟶
2
N
H
3
By stichiometry,
n
N
2
n
H
2
=
1
3
⟶
(
i
)
As per given values,
n
N
2
n
H
2
=
10
25
=
1
2.5
⟶
(
i
i
)
1
3
<
1
2.5
∴
n
N
2
n
H
2
(
i
i
)
>
n
N
2
n
H
2
(
i
)
∴
H
2
is a limiting reagent.
∴
H
2
reacted=
25
m
L
∴
N
H
3
formed=
2
×
25
3
m
L
=
16.67
m
L
Answer :- (i) The column of
N
H
3
formed is
16.67
m
L
(ii)
H
2
is a limiting reagent.
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Q.
50.0
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