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1

AIPMT 2002

MCQ (Single Correct Answer)
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.
2

AIPMT 2002

MCQ (Single Correct Answer)
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.
3

AIPMT 2001

MCQ (Single Correct Answer)
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.
4

AIPMT 2001

MCQ (Single Correct Answer)
The incorrect IUPAC name is
A
B
C
D

Explanation

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