MCQ
Diethyl ether is not associated with which one of these isomers
- AButanoic acid
- ✓Methyl propionate
- CSteroisomerism
- DNone of these
$2.$ $\mathop {C{H_3} - \mathop {\mathop {CH - }\limits_{|\,\,\,\,\,\,\,\,\,} }\limits_{C{H_3}} C{H_2} - C{H_2} - C{H_3}}\limits_{{\rm{2}} - {\rm{methyl}}\,{\rm{pentane}}} $
$3.$ $\mathop {C{H_3} - C{H_2} - \mathop {\mathop {CH}\limits_{|\,\,\,\,\,\,} }\limits_{\,\,\,C{H_3}} - C{H_2} - C{H_3}}\limits_{{\rm{3}} - {\rm{methyl}}\,{\rm{pentane}}} $
$4.$ $\mathop {C{H_3} - \mathop {\mathop {CH - }\limits_{|\,\,\,\,\,\,\,\,\,} }\limits_{C{H_3}} \mathop {\mathop {CH - }\limits_{|\,\,\,\,\,\,\,\,\,} }\limits_{C{H_3}} C{H_3}}\limits_{{\rm{2,3}} - {\rm{Dimethyl}}\,{\rm{butane}}} $
$5.$ $\mathop {C{H_3} - C{H_2} - \mathop {\mathop {CH}\limits_{|\,\,\,\,\,\,} }\limits_{\,\,\,C{H_3}} - C{H_2} - C{H_3}}\limits_{{\rm{3}} - {\rm{methyl}}\,{\rm{pentane}}} $
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Statement $(I)$ : Both metal and non-metal exist in $\mathrm{p}$ and $d$-block elements.
Statement $(II)$ : Non-metals have higher ionisation enthalpy and higher electronegativity than the metals.
In the light of the above statements, choose the most appropriate answer from the option given below: