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Alpha Question Bank for Medical: Chemistry
>
Chapter 5 - Equilibrium
>
Exercise 5
>
Q 75
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EASY
NEET
IMPORTANT
Earn 100
The salt that when added to water will not change its
pH
is:
(a)
Na
2
CO
3
(b)
NaCl
(c)
KCN
(d)
NH
4
Cl
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Important Questions on Equilibrium
MEDIUM
NEET
IMPORTANT
Alpha Question Bank for Medical: Chemistry
>
Chapter 5 - Equilibrium
>
Exercise 5
>
Q 76
Carbonic acid,
H
2
CO
3
, is a diprotic acid for which
K
a
1
=
4
.
2
×
10
-
7
, and
K
a
2
=
4
.
7
×
10
-
11
. The solution which will have a
pH
closest to
9
is-
MEDIUM
NEET
IMPORTANT
Alpha Question Bank for Medical: Chemistry
>
Chapter 5 - Equilibrium
>
Exercise 5
>
Q 77
Suppose you want an acidic solution to carry out a chemical reaction with
2
moles of
NaOH
. Which sample of acid is the best choice for you?
MEDIUM
NEET
IMPORTANT
Alpha Question Bank for Medical: Chemistry
>
Chapter 5 - Equilibrium
>
Exercise 5
>
Q 78
An aqueous solution of urea:
