What sequence of reagents is required to accomplish the following transformation?
1. (1) NBS, ROOR (2) CH3CH2O- (3)2HBr (4) NH-2 (5) disiamylborane (6) H2O2,OH-
2. (1) Cl2hv (2) OH-, heat; (3) 2HCl (4) OH-,heat (5) HgSO4,H2SO4
3. (1) NBs,ROOR; OH-,DMSO
4. (1) Br2,hv (2) t-butoxide (3) BH3,THF (4) H2O2,OH-
Ether cannot be produced as a major product by the reaction of-
1. | CH3CH2Cl + Ag2O(dry) → |
2. | (CH3)3CCl + CH3CH2O-Na+ → |
3. | |
4. |
Predict the product when the given compound reacts with LiAlH4 :
1.
2.
3.
4.
The labeled -O18 will be:
1. H2O
2. Methyl benzoate
3. Both 1 and 2
4. Benzoic acid
Product (A) in the below mentioned reaction is:
1. | 2. |
3. | 4. |
The compound that is most prone to oxidation is-
1. | CH3-CHOH-CH3 | 2. | |
3. | CH3-CH2-O-CH2-CH3 | 4. |
Which of the following react with HBr at faster rate?
1. | \(\mathrm{NaBH}_4 \) | 2. | \(\mathrm{LiAlH}_4 \) |
3. | \(PCC \) | 4. | \(\mathrm{KMnO}_4\) |
1. | 2. | ||
3. | 4. |