MCQ
Mercury is transported in metal containers made of
- ASilver
- BLead
- ✓Iron
- DAluminium
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Reason : Oxygen is bluish coloured liquid and in singlet state it is para-magentic.
$\begin{array}{*{20}{c}}
{O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,O}\\
{||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,||}\\
{C{H_3} - C - C{H_2}CO{C_2}{H_5}}
\end{array}$ will give iodoform test
Reason : It does not contains $\begin{array}{*{20}{c}}
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,O\,\,}\\
{\,\,\,\,{\kern 1pt} \,\,\,\,\,\,\,\,\,\,\,||\,\,\,}\\
{C{H_3} - C - }
\end{array}$ group