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Byju's Answer
Standard XII
Chemistry
Nomenclature of Coordination Compounds
Nessler's rea...
Question
Nessler's reagent is
:
A
K
2
H
g
I
4
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B
K
2
H
g
I
4
+
K
O
H
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C
K
2
H
g
I
2
+
K
O
H
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D
K
2
H
g
I
4
+
H
g
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Solution
The correct option is
B
K
2
H
g
I
4
+
K
O
H
Option (B) is correct.
Nessler's reagent is
K
2
H
g
l
4
+
K
O
H
.It is
used as a test for the presence of
ammonia
.
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Similar questions
Q.
How many moles of
K
I
are needed to produce
0.4
moles of
K
2
H
g
I
4
?
Q.
The number of moles of KI required to produce 0.1 mole of
K
2
H
g
I
4
is?
Q.
K
2
H
g
I
4
is
40
%
ionised in aqueous solution. The value of its van't Hoff factor (i) is:
Q.
Number of moles of
K
I
required to prepare
0.4
moles of
K
2
H
g
I
4
, when
H
g
C
l
2
reacts with
K
I
, is:
Q.
State True or False.
Mercury(II) ions react with KI to form orange precipitate of
H
g
I
2
which is soluble in excess of KI to form
K
2
H
g
I
4
.
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Standard XII Chemistry
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