MCQ
Select the molecule which has only one $\pi - {\rm{bond}}$
- A$CH \equiv CH$
- B$C{H_2} = CHCHO$
- ✓$C{H_3}CH = C{H_2}$
- D$C{H_3}CH = CHCOOH$
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Given: $\Delta H ^0=-54.07\,kJ\,mol ^{-1}$
$\Delta S ^{\circ}=10\,JK ^{-1}\,mol ^{-1}$
(Take $2.303 \times 8.314 \times 298=5705$ )
