Which one of the following formulae does not represent an organic compound ?
C4H10O4
C4H6O4
C4H7ClO4
C4H9O4
The test for unsaturation is confirmed by the decolourisation of which of the following ?
Iodine water
CusO4 solution
Bromine water
All of these
Catalyst used in dimerisation of acetylene to prepare chloroprene is
HgSO4 + H2SO4
Cu2Cl2
Cu2Cl2 + NH4Cl
Cu2Cl2 + NH4OH
The dehydration of butan-1-ol gives
1-butene as the main product
2-butene as the main product
equal amounts of 1-butene and 2-butene
2-methyl propene
Cetane is a compound which has very good ignition property. Chemically it is
CH3(CH2)14CH3
(CH3)3C(CH2)11CH3
C17H34
None of the above
Which of the following is most reactive towards electrophilic nitration ?
Toluene
Benzene
Benzoic acid
Nitrobenzene
A.
Toluene
Due to + I effect of CH3 in toluene, it is more reactive than benzene. Due to electron with drawing nature of -COOH group in benzoic acid and -NO2 group in nitrobenzene, both benzoic acid and nitrobenzene are less reactive than benzene.
The most suitable reagent for the following conversion, is :
H2, Pd/C, quinoline
Zn/HCl
Hg2+/H+, H2O
Na/liquid NH3
The number of sigma (σ) and pi (π) pent-2-en-4-yne is
8σ bonds and 5π bonds
11σ bonds and 2π bonds
13σ bonds and no π bonds
10σ bonds and 3π bonds