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Byju's Answer
Standard X
Chemistry
Zinc Ion
SnCl2 acts as...
Question
S
n
C
l
2
acts as a reducing agent because :
A
S
n
C
l
2
can accept electrons readily
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B
S
n
2
+
is more stable than
S
n
4
+
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C
S
n
4
+
is more stable than
S
n
2
+
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D
S
n
2
+
can be easily converted to metallic tin
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Solution
The correct option is
C
S
n
4
+
is more stable than
S
n
2
+
● SnCl2 acts as reducing agent because -
-Sn has electronic configuration [Kr] 4d10 5s2 5p2.
-Sn doesn't exhibit inert pair effect & thus higher oxidation state is more stable.
-Sn4+ is more stable than Sn2+.
-SnCl2 readily reacts with other compounds & get converted to stable SnCl4.
-During the reaction, SnCl2 gets oxidised while other compound is reduced.
-Thus, SnCl2 is a good reducing agent.
So option (c) is correct
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Similar questions
Q.
Assertion :STATEMENT 1 (Assertion)-
S
n
C
l
2
is reducing in nature. Reason: STATEMENT 2 (Reason)-
S
n
2
+
is more stable than
S
n
4
+
state.
Read the above assertion and reason and choose the correct option regarding it.
Q.
Assertion :
F
e
C
l
3
can be reduced to
F
e
C
l
2
by
S
n
C
l
2
as well as by the addition of
S
n
into it. Reason: This reaction is possible since
S
n
4
+
is more stable than
S
n
2
+
(inert-pair effect)Also,
F
e
C
l
3
solution is acidic due to hydrolysis.
S
n
added reacts with
H
C
l
forming nascent hydrogen that can reduce
F
e
C
l
3
to
F
e
C
l
2
Q.
S
n
C
l
2
can be volumetrically determined by titration with
F
e
C
l
3
2
F
e
3
+
+
S
n
2
+
→
2
F
e
2
+
+
S
n
4
+
K
C
N
S
gives which colour with
F
e
3
+
ion
:
Q.
In the reaction
H
A
s
O
2
+
S
n
2
+
→
A
s
+
S
n
4
+
H
2
O
,
oxidising agent is
Q.
The correct code for stability of oxidation states of Sn and Pb is :
[
1
]
P
b
2
+
>
P
b
4
,
S
n
2
+
>
S
n
4
+
[
2
]
P
b
2
+
<
P
b
4
,
S
n
2
+
<
S
n
4
+
[
3
]
P
b
2
+
>
P
b
4
,
S
n
2
+
<
S
n
4
+
[
4
]
P
b
2
+
<
P
b
4
,
S
n
2
+
>
S
n
4
+
[
5
]
S
n
2
+
<
P
b
2
+
,
S
n
4
+
>
P
b
4
+
[
6
]
S
n
2
+
<
P
b
2
+
,
S
n
4
+
<
P
b
4
+
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