MCQ
$C{H_3}CH(OH).COOH$ shows
- AGeometrical isomerism
- ✓Optical isomerism
- CBoth
- DNone
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$(1)$ $C{H_3} - \mathop {CH}\limits^ \bullet C{H_3}$
$(2)$ (fig.)
$(3)$ $\mathop {C{H_2}}\limits^ \bullet - CH{(C{H_3})_2}$
$(4)$ $\mathop {C{H_2}}\limits^ \bullet - C{H_3}$
complete $\frac{2}{3} ^{rd}$. If the value of rate constant is $4.3 \times 10^{-4}$
Assertion $(A)$ : Vinyl halides do not undergo nucleophilic substitution easily.
Reason $(R)$ : Even though the intermediate carbocation is stabilized by loosely held $p-$ electrons, the cleavage is difficult because of strong bonding.