Aspirin is an acelytation product of
o-hydroxybenzoic acid
o-hydroxybenzene
m-hydroxybenzoic acid
p-dihydroxybenzene
For the sequence of reactions
The compound A in the sequence is
2-butanone
acetaldehyde
acetone
propanal
Tranquilisers are also known as
psychosomatic durgs
psychoterapeutic drugs
psychosystolic drugs
None of the above
The compound, which give a positive ninhydrin test and a negative Benedict's solution test, is
a monosaccharide
a disaccharide
a lipid
a protein
D.
a protein
Only proteins give positive ninhydrin test. They give blue colour with ninhydrin.
The alcohol that produces turbidity immediately with ZnCl3/conc. HCl at room temperature
1-hydroxy butane
2-hydroxy butane
2-hydroxy-2-methyl propane
1-hydroxy-2-methyl propane
An ester (A) with molecular formula C9H10O2 was treated with excess of CH3MgBr and the complex so formed was treated with H2SO4 to give an olefin (B). Ozonolysis of (B) gave a ketone with molecular formula C8H8O which shows positive iodoform test. The structure of (A) is
C6H5COOC2H5
C6H5COOC6H5
C6H5COOCH3
p.H3CO-C6H4-COCH3