निम्न अभिक्रिया के लिये सही मध्यवर्ती एवं उत्पाद है
`H_3 C-C ≡CH underset(H_2 SO_4) overset(H_2 O H_2 SO_4) to underset((A))(`मध्यवर्ती ` to underset(B)(`उत्पाद `)`

Options

A. `A=H_(3)C-underset(SO_(4))underset(|)C=CH_(2),B=H_(3)C-underset(O)underset(||)C-CH_(3)`
B. `A=H_(3)C-underset(OH)underset(|)C=CH_(2),B=H_(3)C-underset(SO_(4))underset(|)C=CH_(2)`
C. `A=H_(3)C-underset(O)underset(||)C=CH_(3),B=H_(3)C-C=CH`
D. `A=H_(3)C-underset(OH)underset(|)C=CH_(2),B=H_(3)C-underset(O)underset(||)C-CH_(3)`

Answer

D

Explanation

अत:
`A=CH_(3)-underset(OH)underset(|)C=CH_(2)`
`B=CH_(3)-underset(O)underset(||)C-CH_(3)`