$A\,\xrightarrow{{H{g^{2 + }}\,/\,{H^ + }}}B\,\xrightarrow{{NaB{H_4}}}C\,\xrightarrow[{conc.\,\,HCl}]{{ZnC{l_2}}}$ Turbidity within $5$ minutes.
$‘A’$ શું હશે?
$C{H_3}C{H_2}OH\xrightarrow{{P + {I_2}}}A\xrightarrow{{Mg}}B\xrightarrow{{HCHO}}C\xrightarrow{{{H_2}O}}D$