MCQ
Which is an acidic hydrocarbon
- A$C{H_3}C{H_2}C{H_2}C{H_3}$
- B$C{H_3}C \equiv CC{H_3}$
- ✓$C{H_3}C \equiv CH$
- D$C{H_2} = CH - CH = C{H_2}$
✓
Answer
Correct option: C.
$C{H_3}C \equiv CH$
(c) Propyne has one acidic hydrogen.
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$\Delta\text{S}(\text{A}\rightarrow\text{C})=50\text{ev},$
→$\Delta\text{S}(\text{C}\rightarrow\text{D})=30\text{ev},$
$\Delta\text{S}(\text{B}\rightarrow\text{D})=20\text{ev}$
$\text{A}\rightarrow\text{B}\\\downarrow\ \ \ \ \ \uparrow\\\text{C}\rightarrow\text{D}$
The entropy change for A → B would be: