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Byju's Answer
Standard XII
Chemistry
Introduction to d and f Block Elements
Find the tota...
Question
Find the total white colour compounds from following
AgCl, AgF,
F
e
S
O
4
.7
H
2
O
,
Z
n
S
O
4
.7
H
2
O
, Anhydrous
C
u
S
O
4
,
F
e
C
l
3
,
F
e
C
l
2
.
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Solution
The total number of white colour compounds is
3
. They are
A
g
C
l
,
Z
n
S
O
4
.7
H
2
O
, and anhydrous
C
u
S
O
4
.
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Similar questions
Q.
Which of the following compounds after mixing can produce blue colouration?
I.
K
4
[
F
e
(
C
N
)
6
]
and
F
e
C
l
3
solution
II.
N
H
4
O
H
and
C
u
S
O
4
solution
III. Adding anhydrous
C
u
S
O
4
to water
IV.
N
H
4
O
H
+
N
i
S
O
4
solution
Q.
C
u
S
O
4
⋅
5
H
2
O
is blue in colour whereas anhydrous
C
u
S
O
4
is colourless. Why?
Q.
Anhydrous sample of
F
e
C
l
3
is prepared by heating
Q.
List-I
List-ll
(A)
O
3
(1) Turns benzidine paper to brown
(B) Hypo
(2) Turns anhydrous
C
u
S
O
4
to blue
(C)
H
2
O
(3) Violet colour with
F
e
C
l
3
(D)
H
2
S
(4) Rotten egg smell
The correct match is :
Q.
The salts _________ and _________ are isostructural.
(
F
e
S
O
4
.7
H
2
O
,
C
u
S
O
4
.5
H
2
O
,
M
n
S
O
4
.4
H
2
O
,
Z
n
S
O
4
.7
H
2
O
)
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