2
MCQ (Single Correct Answer)
The IUPAC name for 
is
A
1-hydroxypentane-1,4-dione
B
1,4-dioxopentanol
C
1-carboxybutan-3-one
D
4-oxopentanoic acid
3
MCQ (Single Correct Answer)
The IUPAC name for
A
1-chloro-2-nitro-4-methylbenzene
B
1-chloro-4-methyl-2-nitrobenzene
C
2-chloro-1-nitro-5-methylbenzene
D
m-nitro-p-chlorotoluene
4
MCQ (Single Correct Answer)
Electronegativity of carbon atoms depends upon their state of hybridisation. In which of the following compounds, the carbon marked with asterisk is most electronegative?
A
$\mathrm{CH}_3-\mathrm{CH}_2-{ }^* \mathrm{CH}_2-\mathrm{CH}_3$
B
$\mathrm{CH}_3-{ }^* \mathrm{CH}=\mathrm{CH}-\mathrm{CH}_3$
C
$\mathrm{CH}_3-\mathrm{CH}_2-\mathrm{C} \equiv{ }^* \mathrm{CH}$
D
$\mathrm{CH}_3-\mathrm{CH}_2-\mathrm{CH}={ }^* \mathrm{CH}_2$
5
MCQ (Single Correct Answer)
In which of the following, functional group isomerism is not possible?
A
Alcohols
B
Aldehydes
C
Alkyl halides
D
Cyanides
6
MCQ (Single Correct Answer)
The fragrance of flowers is due to the presence of some steam volatile organic compounds called essential oils. These are generally insoluble in water at room temperature but are miscible with water vapour in vapour phase. A suitable method for the extraction of these oils from the flowers is
A
distillation
B
crystallisation
C
distillation under reduced pressure
D
steam distillation