One mole of alkene on ozonolysis gives 2 moles of butanone. The alkene is
3, 4-dimethylhex-2-ene
2, 3-dimethyihex-3-ene
3, 4-dimethylhex-3-ene
2, 3-dimethylhex-2-ene
Isopropylbenzene is oxidized in the presence of air to compound 'A'. When compound 'A' is treated with dilute mineral acid, the aromatic product formed is
phenol
benzene
benzaldehyde
acetophenone
Positive carbylamine test is shown by
N, N-dimethylaniline
triethylamine
N-methylaniline
p-methylbenzylamine
The repeating unit present in nylon-6 is
-[NH(CH2)6NHCO(CH2)4CO]-
-[CO(CH2)5NH]- or -[CO(CH2)6NH]-
-[CO(CH2)4NH]-
-[NH(CH2)4NHCO(CH2)6CO]-
B.
-[CO(CH2)5NH]- or -[CO(CH2)6NH]-
The repeating unit (i.e., monomer) in nylon-6 is ε-amino caproyic acid. It is used in making fibres plastics and tyre cords and ropes.
H2N-(CH2)5-COOH [-NH-(CH2)5-CO-]n
Which one of the following is not correct?
D-(-)-fructose exists in furanose structure
D-( + )-glucose exists in pyranose structure
In sucrose the two monosaccharides are held together by peptide linkage
Maltose ia a reducing sugar