Match the reagents required for the given reactions :
I. Oxidation of primary alcohols to (p) NaBH4 aldehydes
II. Butan-2-one to Butan-2-ol (q) 85% phosphoric acid at 440 K
III. Bromination of Phenol to 2, 4, 6- (r) PCC Tribromophenol
IV. Dehydration of propan-2-ol to (s) Bromine water propene
(A) I – (r), II – (p), III – (s), IV – (q)
(B) I – (q), II – (t), III – (p), IV – (s)
(C) I – (s), II – (q), III – (p), IV – (r)
(D) I- (p), II – (s), III – (r), IV – (q)
