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Byju's Answer
Standard X
Chemistry
Zinc Ion
MSO 4 ↓ white...
Question
M
S
O
4
N
H
4
O
H
−
−−−−
→
↓
X
w
h
i
t
e
N
H
4
O
H
−
−−−−
→
e
x
c
e
s
s
Y
H
2
S
−
−
→
↓
Z
Here,
M
and
Z
are :
A
C
u
,
Z
n
S
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B
Z
n
,
Z
n
S
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C
F
e
,
F
e
S
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D
A
l
,
A
l
2
S
3
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Solution
The correct option is
C
Z
n
,
Z
n
S
Z
n
S
O
4
N
H
4
O
H
−
−−−−
→
Z
n
O
H
N
H
4
O
H
−
−−−−
→
Z
n
(
O
H
)
2
H
2
S
−
−
→
Z
n
S
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0
Similar questions
Q.
M
S
O
4
N
H
4
O
H
−
−−−−
→
↓
X
w
h
i
t
e
N
H
4
O
H
−
−−−−
→
e
x
c
e
s
s
Y
H
2
S
−
−
→
↓
Z
.
Here M and Z are:
Q.
Which of the following is the correct conclusion. Also, give the reason?
Observation
I
II
III
Solution after reaction
Colourless
Colourless
Colourless
Metal Deposited
Zn
Cu
Fe
(a) Al is more reactive than Cu and Fe but less reactive than Zn
(b) Al is more reactive than Cu but less reactive than Zn and Fe
(c) Al is more reactive than Zn and Cu but less reactive than Fe
(d) Al is more reactive than Zn, Cu, Fe.
Q.
L
i
,
K
,
C
a
,
N
a
,
M
g
,
A
l
,
Z
n
,
F
e
,
P
b
,
C
u
,
H
g
,
A
g
I
. The reaction
Z
n
(
s
)
+
C
u
(
N
O
3
)
2
(
a
q
)
→
C
u
(
s
)
+
Z
n
(
N
O
3
)
2
(
a
q
)
will occur.
I
I
. Zinc and copper are both transition metals.
Q.
Zn, Mo, Fe and Cu are
Q.
Zn, Cu, Fe and Mo are examples of
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