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
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
Among the following, the reaction that proceeds through an electrophilic substitution, is:
A.
An alkene "A" on reaction with O3 and Zn–H2O gives propanone and ethanal in equimolar ratio. Addition of HCl to alkene "A" gives "B" as the major product. The structure of product "B" is:
H3C—CH2—CH(CH2Cl)—CH3
Provide an acceptable name for the alkene shown below:
5-ethyl-6-methyl-propyl decane
2-ethyl-6-methyl-2-propyldecane
2-ethyl-6-methyl-5-propyldecane
6-ethyl-2-methyl-5-propyldecane