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Problem
Problem
Assertion :
AgNO
3
\text{AgNO}_3
AgNO
3
reacts with
KCN
\text{KCN}
KCN
to form white ppt. of
AgCN
\text{AgCN}
AgCN
. This white ppt. disappears when excess
KCN
\text{KCN}
KCN
is added. Reason :
AgCN
\text{AgCN}
AgCN
decomposes to form silver-carbide and evolve
N
2
\text{N}_2
N
2
gas.
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