When mixture of potassium cyanate and ammonium chloride is heated, it gives
Urea
Methanamide
Ethanamide
Ethanamine
Which of the following statement is wrong?
Using Lassaigne's test nitrogen or sulphur present in an organic compound can be tested.
Using Beilstein's test the presence of halogen in a compound can be tested.
Lassaigne's test fails to identify nitrogen in diazo compound.
In the estimation of carbon an organic compound is heated with CaO in a combustion tube.
Arrange the carbanions, , in order of their decreasing stability
If two compounds have the same empirical formula but different molecular formulae, they must have
Different percentage composition
Different molecular weights
Same viscosity
Same vapour density
Sodalime test is used to detect the following element in an organic compound ?
C
H
N
S
The IUPAC name of the compound C6H5COCl is
Benzoyl chloride
Benzene chloro ketone
Benzene carbonyl chloride
Chlorophenyl ketone
Anthracene is purified by
Filtration
Crystallization
Distillation
Sublimation
An organic compound contains C = 40% O = 53.3% and H = 6.60% . The empirical formula of the compound is
CH2O
CHO
CH4O2
C2H2O
The alkene that exhibits geometrical isomerism is
Propene
2 – methyl propene
2 – butane
2 – methyl - 2 – butane