ECAT Pre Engineering Chemistry Chapter 18 MCQ Test With Answer

MCQ's Test For ECAT Chemistry Chapter 18 Fundamental Principles of Organic Chemistry

Try The MCQ's Test For ECAT Chemistry Chapter 18 Fundamental Principles of Organic Chemistry

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ECAT Chemistry Chapter 18 Fundamental Principles of Organic Chemistry

00:00
Question # 1

Identify the heterocyclic compound

Question # 2

Sp3 hybridization occurs when carbon is bound to

Question # 3

Replacement of hydrogen atom by - SO3H group in benzene is called

Question # 4

Organic compounds are soluble in all except

Question # 5

Wohler succeeded in obtaining, urea from

Question # 6

Linear shape is associated with which set of hybrid orbitals

Question # 7

In which molecule carbon atom is sp2hybridized

Question # 8

Coal is used to bake bricks in lime kiln:

Question # 9

When a compound X is passed through a dilute alkaline solution of KMnO4the pink colour of solution is discharged. The compound X is possbibly

Question # 10

Cracking normally gives smaller ______

Question # 11

Select from the following the one which alcohol

Question # 12

The formula of ketone is

Question # 13

The general formula for alkenes is

Question # 14

In a heterollytic bond fission reaction

Question # 15

The branch of chemistry which deals with the study of compounds containing carbon as an essential elements is called

Question # 16

Acetylene had a characteristic ethereal smell resembling that of

Question # 17

The percentage of methane in natural gas is

Question # 18

Normal by product of cracking is

Question # 19

Rates of organic reactions are

Question # 20

The essential component of organic compound is

Question # 21

The open chain compounds are also called

Question # 22

Unsaturated hydrocarbon containing a double bond are called

Question # 23

Identify the compound formed, when ethylene combines with water in the presence of 10% sulphuric acid and HgSO4as catalyst

Question # 24

At present oil refineries in Pakistan are:

Question # 25

Identify the compound which has a bond angle of 109.5°

Question # 26

Which set of hybrid orbitals has planar triangle shape?

Question # 27

Linear geometry is present in:

Question # 28

The open chain organic compounds are called

Question # 29

Wohler synthesized first of all the organic compound:

Question # 30

The next homologue of C10H22will be

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ECAT Chemistry Chapter 18 Important MCQ's

Sr.# Question Answer
1 Which is not a fossil fuel
A. Petroleum
B. Coal
C. Natural gas
D. None of them
2 The gasoline with high octane No. has ______
A. More knocking
B. Less knocking
C. No knocking
D. Only knocking
3 In ter-butyl alcohol, the tertiary carbon is bonded to
A. Two hydrogen atoms
B. Three hydrogen atoms
C. One hydrogen atoms
D. No hydrogen atom
4 The distillation of coal at high temperature and in absence of air is called
A. Vacuum distillation
B. Normal distillation
C. Fractional distillation
D. Destructive distillation
5 Which reaction produces a free radical
A. SN reaction
B. Homelytic fission reaction
C. Heterolytic fission reaction
D. Addition reaction
6 The state of hybridization of carbon atom in methane is
A. sp3
B. sp2
C. sp
D. dsp2
7 Gasoline is a mixture of hydrocarbons containing carbon atoms
A. 5 to 10
B. 5 to 8
C. 5 to 12
D. 5 to 11
8 Acetylene had a characteristic ethereal smell resembling that of
A. Ginger
B. Vinegar
C. Garlic
D. Onion
9 Which of the following is complex?
A. CaSO4. 0.5H2O
B. (C6H10O5)n
C. C6H12O6
D. CH4
10 The open chain organic compounds are called
A. Linear compounds
B. Aromatic
C. Aliphatic
D. Both A and B

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