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Byju's Answer
Standard XII
Chemistry
Introduction to Aldehydes and Ketones
The percentag...
Question
The percentage weight of Zn in white vitriol
[
Z
n
S
O
4
⋅
7
H
2
O
]
is approximately equal to?
A
33.65
%
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B
32.56
%
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C
23.65
%
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D
22.65
%
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Solution
The correct option is
D
22.65
%
Molecular weight of white vitriol
Z
n
S
O
4
.7
H
2
O
=
65
+
32
+
(
4
×
16
)
+
7
(
2
×
1
+
16
)
=
287
g
Weight of Zn in white vitriol = 65 g
Percentage weight of Zn =
W
e
i
g
h
t
o
f
Z
n
M
o
l
e
c
u
l
a
r
w
e
i
g
h
t
o
f
w
h
i
t
e
v
i
t
r
i
o
l
×
100
=
65
287
×
100
=
22.65
%
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0
Similar questions
Q.
F
e
S
O
4
∙
7
H
2
O
(Green vitriol) represents which type of crystal system?
Q.
Z
n
S
O
4
⋅
7
H
2
O
loses
H
2
O
on exposure to air due to efflorescence property.
If true enter 1, else enter 0.
Q.
Calculate the percentage of water of crystallisation in green vitriol.
Q.
In the reaction of
Z
n
+
F
e
S
O
4
→
Z
n
S
O
4
+
F
e
:
Q.
The chemical formula of white vitriol is:
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