Reagent that can detect any ${F e}^{3 +}, {C o}^{2 +}$ and ${C u}^{2 +}$ is ${N H}_{4} S C N$ .

If the given statement is true enter 1 else enter 0.

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Solution

Reagent that can detect ${F e}^{3 +}, {C o}^{2 +}$ and ${C u}^{2 +}$ is ${N H}_{4} S C N$ .
For example Fe(III) ion gives a blood red colouration with thiocyanate ions.
$F e C l_{3} + 3 N H_{4} S C N \to F e (S C N)_{3} r e d c o l o u r + 3 N H_{4} C l$

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