The increasing order of the rate of HCN addition to compound A – D is

a. HCHO

b. CH base 3COCH base 3

c. phCOCH base 3

d. phCOPh

(a) D < C < B < A

b. C < D < b < A

c. A < B < C < D

d/ D < B < C < A

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

 

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how to represent the possible fischer projections for 2-bromohexane