1) What are the products formed in the reaction given below $Ph-CH_{2}-CH=CH-CH_{3}$ $\underrightarrow{(i)O_{3}}$ (ii) Zn+H2O A) Acetic acid and 2-phenyl acetic acid B) 2-phenyl ethanal and ethanal C) 2-phenyl ethanol and ethanol D) 1-phenyl butan-2,3-diol Answer: Option BExplanation:Alkenes given aldehyde on ozonolysis $Ph-CH_{2}-CH=CH-CH_{3}$ $\underrightarrow{(i)O_{3}}$ (ii) Zn+H2O $Ph-CH_{2}-CHO+CH_{3}-CHO$ 2-phenyl ethanal ethanal