\[ \begin{array}{l} \mathrm{NaBH}_{4}+\mathrm{I}_{2} \rightarrow \mathrm{X} \uparrow+\mathrm{Y} ....
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0\[
\begin{array}{l}
\mathrm{NaBH}_{4}+\mathrm{I}_{2} \rightarrow \mathrm{X} \uparrow+\mathrm{Y} \uparrow+2 \mathrm{NaI} \\
\mathrm{X}+\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH} \rightarrow \mathrm{Y} \uparrow+\mathrm{D} \\
\mathrm{X}+\mathrm{HCl} \rightarrow \mathrm{Y} \uparrow+\mathrm{E}
\end{array}
\]
\( \mathrm{P} \)
\( \mathrm{D} \) gives following colour with flame:
(1) Red
(2) Green
(3) Blue
(4) No colour
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