Consider the following alcohols,
(I) (II) (III) (IV)
The order of decreasing reactivities of these alcohols towards nucleophilic substitution with HBr is:-
; Chemist added extra 0.5 mole of Et-Li in above reaction to obtain product (A), which is ?
Which is the best reagent to convert isopropyl alcohol to isopropyl bromide ?
Find missing reagents.
1. x = LiAlH4, y = NaBH4
2. x = LiAIH4 / AlCl3, y = LiAlH4
3. x = LiAIH4, Y = LiAIH4 / AlCl3
4. x = H2 / Ni, y = H2 / Pt
Which are not cleaved by HIO4?
I : glycerol
II : glycol
III: 1, 3-propanediol
1. I, II, III, IV
2. I, II
3. II, III
4. III, IV
Which of the following compounds are not oxidized by HIO4?
(a) 5,6,7 (b) 4,5,6,7 (c) 6,7 (d) 3,4,5,6,7
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