On the basis of Borax Bead Test, which of the \( \mathrm{P} \) following is an incorrect match. ...

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On the basis of Borax Bead Test, which of the
\( \mathrm{P} \)
following is an incorrect match.
W
\begin{tabular}{|l|l|l|}
\hline & \begin{tabular}{l}
Colour in cold \\
condition (in \\
oxidizing flame)
\end{tabular} & \begin{tabular}{l}
Cation \\
Indicated
\end{tabular} \\
\hline\( (1) \) & Blue & \( \mathrm{Cu}^{2+} \) \\
\hline\( (2) \) & Brown & \( \mathrm{Ni}^{2+} \) \\
\hline\( (3) \) & Violet & \( \mathrm{Mn}^{2+} \) \\
\hline\( (4) \) & Black & \( \mathrm{Fe}^{2+} \) \\
\hline
\end{tabular}
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