CBSE
The IUPAC name of the compound having the formula
3-butene-1-yne
1-butyn-3-ene
but-1-yne-3-ene
but-1-yne-3-ene
The general molecular formula, which represents the homologous series of alkanols is:
CnH2nO2
CnH2nO
CnH2n+1O
CnH2n+1O
In the following the most stable conformation of n-butane is
Liquid hydrocarbons can be converted to a mixture of gaseous hydrocarbons by
oxidation
cracking
distillation under reduced pressure
distillation under reduced pressure
Which one of the following is most reactive towards electrophilic reagents?
The stability of carbanions in the following
is in the order of
(1) > (2) > (3) > (4)
(2) > (3) > (4) > (1)
(4) > (2) > (3) > (1)
(4) > (2) > (3) > (1)
The number of structural isomers possible from the molecular formula C3H9N is
4
5
2
2
Two possible stereo-structures of CH3CHOH.COOH, which are optically active, are called
diastereomers
atropisomers
enantiomers
enantiomers
Which of the following species is not electrophilic in nature?
Cl+
BH3
H3O+
H3O+
Which of the following statement is correct for a nucleophile?
Nucleophile is s Lewis acid
Ammonia is a nucleophile
Nucleophiles attack low electrons density sites
Nucleophiles attack low electrons density sites