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Byju's Answer
Standard XII
Chemistry
Valency and Oxidation State
How hydronium...
Question
How hydronium ion looks like?
A
H
3
O
+
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B
H
2
O
+
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C
H
O
H
+
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D
H
−
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Solution
The correct option is
B
H
3
O
+
The hydronium ion looks like
H
3
O
+
.It is a protonated water.
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0
Similar questions
Q.
The concentration of hydronium ions
(
H
3
O
+
)
decreases when a solution of an acid is diluted.
Q.
Calculate the pH of orange juice in which hydronium ion conc.
(
H
3
O
+
)
is 2
×
10
−
8
m
o
l
/
l
.
Q.
Three reactions involving
H
2
P
O
−
4
are given below:
(i)
H
3
P
O
4
+
H
2
O
→
H
3
O
+
+
H
2
P
O
−
4
(ii)
H
2
P
O
−
4
+
H
2
O
→
H
P
O
2
−
4
+
H
3
O
+
(iii)
H
2
P
O
−
4
+
O
H
−
→
H
3
P
O
4
+
O
2
−
Q.
H
2
O
+
H
3
P
O
4
⇌
H
3
O
+
+
H
2
P
O
−
4
;
p
K
1
=
2.15
H
2
O
+
H
2
P
O
−
4
⇌
H
3
O
+
+
H
2
P
O
2
−
4
;
p
K
2
=
7.20
Hence, pH of
0.01
M
N
a
H
2
P
O
4
is:
Q.
The reaction of
ClC
H
2
OC
H
2
C
H
3
with ethanol to form
C
H
3
C
H
2
- O - C
H
2
- OC
H
2
C
H
3
occurs by
S
N
2
mechanism.
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