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Byju's Answer
Standard XII
Chemistry
Reactivity with Dihydrogen (Group 1)
Sodium hydrid...
Question
Sodium hydride
(
N
a
H
)
when dissolved in water produces:
A
acidic solution
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B
basic solution
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C
neutral solution
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D
cannot be predicted
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Solution
The correct option is
D
basic solution
When sodium hydride
dissolved in water, the following reaction takes place:
N
a
H
+
H
2
O
→
N
a
O
H
+
H
2
(
g
)
The solution is basic in nature because of
N
a
O
H
.
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Similar questions
Q.
The hydride ion
H
−
is stronger base than hydroxide ion
O
H
−
. Which of the following reaction will occur if sodium hydride
(
N
a
H
)
is dissolved in water?
Q.
Sodium bicarbonate,
N
a
H
C
O
3
, can be purified by dissolving it in hot water (
60
o
C
), filtering to remove insoluble impurities, cooling to
0
o
C
to precipitate solid
N
a
H
C
O
3
, and then filtering to remove the solid, leaving soluble impurities in solution. Any
N
a
H
C
O
3
that remains in the solution is not recovered. The solubility of
N
a
H
C
O
3
in hot water at
60
o
C
is
164
g
/
l
i
t
r
e
and is
69
g
/
l
i
t
r
e
in cold water at
0
o
C
. What is the percentage yield of
N
a
H
C
O
3
, when it is purified by this method?
Q.
Assertion :An aqueous solution of sodium chloride conducts electricity. Reason: An aqueous solution of sodium chloride conducts electricity because it is a soluble ionic compound when dissolved in water.
Q.
About how many grams of sodium chloride would be dissolved in water to form a
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Sodium acetate when dissolved in water undergoes:
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