Difficult
Alkene $R-CH=CH_2$ reacts readily with $B_2H_6$ and the product on oxidation with alkaline hydrogen peroxide produces:
- A$R-CH_2-CHO$
- B$R-CH_2-CH_2-OH$
- C$R-CO-CH_3$
- D$R-CH(OH)-CH_2(OH)$
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