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Byju's Answer
Standard XII
Chemistry
Raoult's Law
Which forms a...
Question
Which forms a buffer solution? (1) 20 ml 1M CH3COOH + 60 ml 1M NaOH (2) 40 ml 1M NaCN + 20 ml 1M HCl (3) CH3COONH4 (4) HCl + NH4Cl
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Q.
Match the effect of addition of 1M NaOH to 100 mL 1M
C
H
3
C
O
O
H
(in Column I) with pH(Column II).
Q.
100 ml of 1M
H
C
l
, 200 ml 2M
H
C
l
and 300 ml 3M
H
C
l
are mixed. The molarity of the resulting solution is:
Q.
10
mL of
a
M
solution of
H
C
l
is mixed with
40
mL of
1
M
H
C
l
to produce a mixture of
2
M
. The value of
a
is
:
Q.
20
ml of
1
M
B
a
C
l
2
solution and
25
ml of
0.1
M
N
a
2
S
O
4
are mixed to form
B
a
S
O
4
. The amount of
B
a
S
O
4
precipitated are:
Q.
p
H
of a mixture of
1
M
benzoic acid
(
p
K
a
=
4.2
)
and
1
M
sodium benzoate is
4.5
. In
300
mL buffer, benzoic acid is:
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