MCQ
$IUPAC $ name of $C{H_3} - CH = CH - COOH$
- ✓$2-$ butenoic acid
- B$1-$ butenoic acid
- C$\beta$ - butenoic acid
- D$1-$ carboxy $ -1-$ propene
But $-2-$ ene $-1-$ oic acid
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

| Column $-I$ | Column $-II$ |
| $(i)$ $n-$ Butane $\to 2-$ methyl propane | $(A)$ Free redical substitution |
| $(ii)$ $C{H_4} + C{l_2} \xrightarrow{{hv}} C{H_3} + Cl$ | $(B)$ Wurtz reaction |
| $(iii)$ $R - COONa\xrightarrow{{soda - \lim e}}R - H$ | $(C)$ Isomerism |
| $(iv)$ $R - X + Na\xrightarrow{{{\text{E}}ther}}R - R$ | $(D)$ De-carboxylation |
$(A)\,S_{\left( g \right)}^ - \,\, \to \,\,S_{\left( g \right)}^{2 - }\,$
$(B)\,Na_{\left( g \right)}^ + \, + \,Cl_{\left( g \right)}^ - \,\, \to \,\,NaCl\,(s)$
$(C)\,{N_{\left( g \right)}}\, \to \,\,N_{\left( g \right)}^ - $
$(D)\,Al_{\left( g \right)}^{2 + }\, \to \,\,Al_{\left( g \right)}^{3 + }$
$(K_f $ for benzene $= 5.12 \,K\, kg\, mol^{-1})$
