Bleaching powder loses its power on keeping for a long time becau…

$\begin{array}{*{20}{c}}
{\,\,\,\,\,O} \\
{\,\,\,\,\,||} \\
{HOC{H_2}C{H_2} - C - OC{H_2}C{H_3}}
\end{array}$ $\xrightarrow{{PCC}}(A)\,\xrightarrow[{(1\,\,molar\,\,equivalent)}]{{{H_2}C \equiv CHMgBr}}(B)$ $\xrightarrow{{N{H_4}Cl\,/\,{H_2}O}}\,(C)\,\,\xrightarrow[{{H_2}O}]{{KOH}}\,$ $\xrightarrow{{{H_3}{O^ \oplus }}}\,\,\xrightarrow[{pyridine}]{{\begin{array}{*{20}{c}}
{\,\,\,\,\,\,\,O} \\
{\,\,\,\,\,\,||} \\
{{{(C{H_3} - C)}_2}O}
\end{array}}}(D)$

→

Formaldehyde and formic acid can be distinguished using

→

An aqueous solution of volume $300\,cm ^3$ contains $0.63\,g$ of protein. The osmotic pressure of the solution at $300\,K$ is $1.29\,mbar$. The molar mass of the protein is $.........\,g\,mol ^{-1}$ Given : $R =0.083\,L\,bar\,K ^{-1} mol ^{-1}$

→

In the mustard oil reaction, an amine is treated with

→

Which sequence represents the best synthesis of hexanal ?

$\underset{Hexanal}{\mathop{C{{H}_{3\text{ }}}C{{H}_{2}}C{{H}_{2}}C{{H}_{2}}C{{H}_{2}}CH=O}}\,$

→

Find the ratio of geometrical isomers in $[\mathrm{M}(\mathrm{AA})_2 \mathrm{b}_2]$ and optical isomers of $\ce{[M(AA)_3]}.$

→