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Chemistry
Chemistry
Problem
A blood red colour is obtained when ferric chloride solution reacts with : a.
KCN
\text{KCN}
KCN
b.
KSCN
\text{KSCN}
KSCN
c.
K
4
[
Fe
(
CN
)
6
]
\text{K}_4[\text{Fe}(\text{CN})_6]
K
4
[
Fe
(
CN
)
6
]
d.
K
3
[
Fe
(
CN
)
6
]
\text{K}_3[\text{Fe}(\text{CN})_6]
K
3
[
Fe
(
CN
)
6
]
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