1
MCQ (Single Correct Answer)
Which of the following is the correct IUPAC name?
A
3-ethyl-4, 4-dimethylheptane
B
4,4-dimethyl-3-ethylheptane
C
5-ethyl-4, 4-dimethylheptane
D
4,4-bis(methyl)-3-ethylheptane
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