1
You visited us
1
times! Enjoying our articles?
Unlock Full Access!
Byju's Answer
Standard XII
Chemistry
Allotropes of Phosphorus
The pH of a ...
Question
The pH of a
0.1
M
N
H
4
O
H
solution
0.1 M
is equal to:
[Given that :
K
b
=
10
−
5
]
A
10
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
6
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
11
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
D
12
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is
B
11
N
H
4
O
H
→
N
H
+
4
+
O
H
−
For a weak base,
Concentration of
[
O
H
−
]
=
C
α
=
√
C
×
K
b
=
√
0.1
×
10
−
5
=
10
−
3
M
So,
p
O
H
=
−
l
o
g
[
O
H
−
]
=
3
p
H
=
14
−
p
O
H
=
11
Suggest Corrections
0
Similar questions
Q.
The pH of a 0.001 M solution of
N
H
4
O
H
(having dissociation constant
K
b
=
1.0
×
10
−
5
)
is equal to:
Q.
K
b
for a monoacidic base whose
0.2
M
solution has a
p
H
of
9.50
is:
Q.
What is the approximate value of
p
H
of a
0.2
M
solution of ammonia? Given,
K
b
=
1.76
×
10
−
5
.
Q.
The value of
∣
∣ ∣ ∣
∣
10
C
4
10
C
5
11
C
m
11
C
6
11
C
7
12
C
m
+
2
12
C
8
12
C
9
13
C
m
+
4
∣
∣ ∣ ∣
∣
is equal to zero when
m
is
Q.
p
H
of a solution containing 0.01 M
N
H
4
C
l
and 0.1 M
N
H
4
O
H
solution is:
[Given:
p
K
b
= 5]
View More
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
Related Videos
Phosphorus
CHEMISTRY
Watch in App
Explore more
Allotropes of Phosphorus
Standard XII Chemistry
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
AI Tutor
Textbooks
Question Papers
Install app