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NTSE Stage 2 SAT 2014 Question Paper
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© examsnet.com
Question : 23
Total: 100
Which of the following represents the correct order of the acidic strength for equimolar aqueous solution of HCl,
H
2
S
O
4
,
N
H
4
O
H
and NaOH
H
C
l
<
N
H
4
O
H
<
N
a
O
H
<
H
2
S
O
4
N
H
4
O
H
<
N
a
O
H
<
H
2
S
O
4
<
H
C
l
H
C
l
<
H
2
S
O
4
<
N
H
4
O
H
<
N
a
O
H
N
a
O
H
<
N
H
4
O
H
<
H
C
l
<
H
2
S
O
4
Validate
Solution:
N
a
O
H
<
N
H
4
O
H
<
H
C
l
<
H
2
S
O
4
represents the increasing order of the acid strength.
NaOH is a strong base. Ammonium hydroxide is a weak base.
HCl is a strong acid and sulphuric acid is the strongest acid.
© examsnet.com
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