Which of the following reagents may be used to distinguish between phenol and benzoic acid?

a. Aqueous NaOH

b. Tollen’s reagent

c. Molisch reagent

d. Neutral FeCI base e

'x' gm of a compound A3B2C5 contains 'y' gm of A atoms

 

Using above information

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how to represent the possible fischer projections for 2-bromohexane