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Tardigrade
Question
Chemistry
CrO 3 dissolves in aqueous NaOH to give
Q.
C
r
O
3
dissolves in aqueous
N
a
O
H
to give
2029
252
J & K CET
J & K CET 2005
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A
C
r
O
4
2
−
B
C
r
(
O
H
)
3
−
C
C
r
2
O
7
2
−
D
C
r
(
O
H
)
2
Solution:
C
r
O
3
dissolves in aqueous
N
a
O
H
to give sodium chromate.
C
r
O
3
+
2
N
a
O
H
→
sodium chromate
N
a
2
C
r
O
4
+
H
2
O