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Standard XII
Chemistry
Oxyacids Of Sulphur
Question
The number of
S
−
S
bonds in polythionic acid
H
2
S
n
O
6
is :
n
n
−
1
n
−
2
none of these
A
none of these
B
n
C
n
−
1
D
n
−
2
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Solution
Verified by Toppr
The number of
S
−
S
bonds in polythionic acid
H
2
S
n
O
6
is
n
−
1
.
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Similar Questions
Q1
The number of S-S bonds in polythionic acid
(
H
2
S
n
O
6
)
:
View Solution
Q2
If
(
1
+
x
)
n
=
C
0
+
C
1
x
+
C
2
x
2
+
…
+
C
n
x
n
,
then
n
∑
r
=
0
n
∑
s
=
0
(
r
+
s
)
C
r
C
s
is equal to
View Solution
Q3
If
(
1
+
x
)
n
=
C
0
+
C
1
x
+
C
2
x
2
+
…
+
C
n
x
n
,
then
the value of
∑
∑
0
≤
r
<
s
≤
n
(
r
+
s
)
(
C
r
+
C
s
)
is
View Solution
Q4
In a geometric sequence, the first term is a and the common ratio is r. If
S
n
denotes the sum to n, terms and
U
n
=
∑
n
n
=
1
S
n
then
r
S
n
+
(
1
−
r
)
U
n
=
View Solution
Q5
In a geometric sequence, the first term is a and the common ratio is r. If
S
n
denotes the sum to n, terms and
U
n
=
∑
n
n
=
1
S
n
then
r
S
n
+
(
1
−
r
)
U
n
=
View Solution