1
MCQ (Single Correct Answer)

AIPMT 2003

Name of the compound given below is
A
4-ethyl-3-methyloctane
B
3-methyl-4-ethyloctane
C
2, 3-diethylheptane
D
5-ethyl-6-methyloctane

Explanation

2
MCQ (Single Correct Answer)

AIPMT 2002

IUPAC name of the following is

CH2 $$=$$ CH $$-$$ CH2 $$-$$ CH2 $$-$$ C $$ \equiv $$ CH
A
1-hexyne-5-ene
B
1, 5 -hexenyne
C
1-hexene-5-yne
D
1,5-hexynene.

Explanation



IUPAC Name is 1-hexene-5-yne.
3
MCQ (Single Correct Answer)

AIPMT 2002

Geometrical isomers differ in
A
position of functional group
B
position of atoms
C
spatial arrangement of atoms
D
length of carbon chain.

Explanation

Geometrical isomers have same molecular formula but differ in the position of atoms or groups in space due to hindered rotation about a double bond.
4
MCQ (Single Correct Answer)

AIPMT 2001

In steam distillation of toluene, the pressure of toluene in vapour is
A
equal to pressure of barometer
B
Less than pressure of barometer
C
equal to vapour pressure of toluene in simple distillation
D
more than vapour pressure of toluene in simple distillation.

Explanation

In steam distillation of toluene, the pressure of toluene in vapour is less than pressure of barometer, because it is carried out when a solid or liquid is insoluble in water and is volatile with steam but the impurities are non-volatile.

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