please answer the following questions as soon as possible, thank you so much in advance!
The retro-ald
7. Which of these is a product of the reaction of C6H5MgBr with -O C6H5CH=CHCCH3?
A) O=C6H5CH=CCCH3 C6H5
B) OC6H5
C) E)
D) p-C6H5-C6H4-CH=CHCCH3
8. Which reagent would best serve as the basis for a simple chemical test to distinguish between:
A) O=CH3CH2CH2CCH3
B) CH3CH2CCH2CH3
C) NaHCO3/H2O
D) Br/CCl4
E) CrO3/H2SO4