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Byju's Answer
Standard XII
Physics
Dielectrics - A Microscopic View
Which of the ...
Question
Which of the following is polar dielectrics?
A
H
C
L
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B
N
H
3
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C
H
2
O
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D
All of the above
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Solution
The correct option is
C
All of the above
Polar dielectric are those in which center of positive and negative charge is not same due to their shapes.
H
C
l
,
N
H
3
and
H
2
O
all are polar dielectrics due to their high dielectric constant formed due to the difference in the polarity.
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Similar questions
Q.
Which of the following is/are non-polar dielectrics?
Q.
Balance the following equations.
(i)
K
M
n
O
2
+
H
C
l
→
K
C
l
+
M
n
C
l
2
+
H
2
O
+
C
l
2
(ii)
N
H
3
+
O
3
→
N
O
+
H
2
O
Q.
Balance the following equations:
M
n
O
2
+
H
C
l
→
M
n
C
l
2
+
C
l
2
+
H
2
O
N
H
4
C
l
+
C
a
(
O
H
)
2
→
N
H
3
+
C
a
C
l
2
+
H
2
O
B
a
C
l
2
+
A
l
2
(
S
O
4
)
3
→
B
a
S
O
4
+
A
l
C
l
3
N
a
A
l
O
2
+
H
2
O
+
C
O
2
→
A
l
H
3
+
N
a
2
C
O
3
N
H
3
+
O
2
→
N
O
+
H
2
O
Z
n
+
H
N
O
3
→
Z
n
(
N
O
3
)
2
+
N
O
2
+
H
2
O
H
2
S
+
O
2
→
H
2
O
+
S
O
2
P
b
O
+
C
→
P
b
+
C
O
2
B
a
C
l
2
+
H
2
S
O
4
→
B
a
S
O
4
+
H
C
l
C
H
4
+
O
2
→
C
O
2
+
H
2
O
Q.
Consider the following reactions,
(i)
C
O
2
−
3
+
H
2
O
⇌
H
C
O
−
3
+
O
H
−
(ii)
C
O
2
+
H
2
O
⇌
H
2
C
O
3
(iii)
N
H
3
+
H
2
O
⇌
N
H
4
O
H
(iv)
H
C
l
+
H
2
O
⇌
C
l
−
+
H
3
O
+
Which of the pairs of reaction proves that water is amphoteric in character?
Q.
Which choice or choices demonstrate amphoterism?
i.
H
C
l
+
H
2
O
→
H
3
O
+
+
C
l
−
and
H
2
O
+
N
3
→
O
H
−
+
N
H
−
4
ii.
H
S
−
+
H
C
l
→
C
l
−
+
H
2
S
and
H
S
−
+
N
H
3
→
N
H
+
4
+
S
2
−
iii.
H
C
l
+
N
a
O
H
→
N
a
C
l
+
H
2
O
and
N
a
C
l
+
H
2
O
→
H
C
l
+
N
a
O
H
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