JEE Mains Model Paper 12

Y is a ketone and Z is an aldehyde Then the correct set of statements regarding this
a) ‘Y’ undergoes aldol condensation in the presence of dil NaOH
b) ‘Z’ in the presence of Conc. NaOH undergo disproportionation
c) ‘Z’ with Grignard reagent followed by hydrolysis gives secondary alcohol
d) Y is more reactive than Z towards Nucleophilic addition