Multiple Choice QuestionsThe 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 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 general molecular formula, which represents the homologous series of alkanols is:
CnH2nO2
CnH2nO
CnH2n+1O
CnH2n+1O
The IUPAC name of is:
3,4-dimethylpentanoyl chloride
1-chloro-1-oxo-2, 3-dimethyl pentane
2-ethyl -3-ethylbutanonyl chloride
2-ethyl -3-ethylbutanonyl chloride
The correct statement regarding electrophile is
Electrophile is a negatively charged species and can form a bond by accepting a pair of electrons from a nucleophile
Electrophile is a negatively charged species and can form a bond by accepting a pair of electrons from another electrophile
Electrophiles are generally neutral species and can form a bond by accepting a pair of electrons from a nucleophile
Electrophiles are generally neutral species and can form a bond by accepting a pair of electrons from a nucleophile
The most suitable method of separation of 1 : 1 mixture of ortho and para-nitrophenols is
Sublimation
Chromatography
Crystallisation
Crystallisation
Which one of the following pairs of species has the same bond order?
CO, NO
O2, NO+
CN–, CO
CN–, CO
Which of the following molecules represents the order of hybridisation sp2, sp2, sp, sp from left to right atoms?
HC≡C-C≡CH
CH2=CH-C≡CH
CH3-CH=CH-CH3
CH2=CH-CH=CH2
Which of the following is correct with respect to – I effect of the substituents? (R = alkyl)
-NH2 <- OR < - F
-NR2 <- OR <-F
-NR2 >-OR>-F
-NH2>-OR>-F
When 2-methyl butyl bromide is treated with sodium ethoxide in ethanol, what will be the major product?
2-methyl but-2-ene
3-methyl but-1-ene
2-methyl but-1-ene
2-methyl sodium-butoxide
