ECAT Pre Engineering Chemistry Chapter 19 MCQ Test With Answer

MCQ's Test For ECAT Chemistry Chapter 19 Aliphatic Hydrocarbons

Try The MCQ's Test For ECAT Chemistry Chapter 19 Aliphatic Hydrocarbons

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ECAT Chemistry Chapter 19 Aliphatic Hydrocarbons

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Question # 1

Which gas is produced by treating CaC2with water

Question # 2

An alkane is produced when an alkyle halide reacts with zinc in the presence of

Question # 3

When methane reacts with Cl2in the presence of diffused light the products obtained are

Question # 4

Alkyl benzenes are readily oxidized by axidfied

Question # 5

Which of the following substances is used as an antiknock compound?

Question # 6

Which gas is used for welding purposes

Question # 7

Preparation of ethylbenzene by the reaction of bromobenzene, ethylbromide and sodium is called

Question # 8

When n-hexane is heated in the presence of Pt at 500°C, it cyclists to give

Question # 9

In CH4, all the H-C-H bond angles are

Question # 10

The order of reactivity of halogen acids towards alkenes

Question # 11

Benzene does not undergo

Question # 12

The addition of unsymmetrical reagent to unsymmetrical alkene is in accordance with the rule:

Question # 13

The next homologue of C10H22will be

Question # 14

The alkynides are used for the ----------- of alkynes

Question # 15

Zn + HCI are used in

Question # 16

Eletronegativity difference in C-C bond in alkanes is:

Question # 17

Nitroalkane are used in

Question # 18

Polymerization of ethane take place at pressure of 100 atm and a temperature of

Question # 19

Which reaction is too vigorous to control

Question # 20

Benzene does not undergo polymerization and it is also resistant to

Question # 21

acetylene can be converted into-while passing through a Cu-tube at 300°C:

Question # 22

The method involved for electrolysis of Na or K salts of carboxylic acids

Question # 23

Benzene is obtained from benzene sulphonic acid by treating with

Question # 24

Which of the following method is most appropriate for the manufacture of methane?

Question # 25

Catalytic oxidation of alkanes is used for the preparation of

Question # 26

A six membered ring containing one double bond called

Question # 27

An organic compound, on treatment with Br2 in CC14 gives bromoderivative of an alkene. The compound will be

Question # 28

Benzene is obtained by fractional distillation of

Question # 29

Vinyl acetylene combines with HCl to form:

Question # 30

Ethylene polymerizes at 100 atm pressure and 400°C to give

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ECAT Chemistry Chapter 19 Important MCQ's

Sr.# Question Answer
1 The electron releasing effect of methyl group is significant and it makes ring a good
A. Electrophilic
B. Nucleophilic
C. Nucleophobic
D. Hydrophobic
2 The C-C bond angles in benzene ring are
A. 119°
B. 120°
C. 121°
D. None
3 Th IUPAC name of the compound having formula (CH3) 3 C - CH = CH2 is
A. 1, 1-Dimethyl-3-butene
B. 1,1,1-Trimethyl-3-propene
C. 3,3,-Dimenthyl-1-butene
D. 3,3,3,-Trimethyl-1-propene
4 Toluene is also called
A. Hydroxyl benzene
B. Methyl benzene
C. ethyl benzene
D. None
5 Synthesis rubber is made by polymerization :
A. Chloroform
B. Acetylene
C. Divinyl acetylene
D. Butene
6 Which is more active ?
A. Alkanes
B. Alkenes
C. Alkynes
D. Benzene
7 Aromatic hydrocarbons are the derivatives of
A. Normal series of paraffins
B. Alkene
C. Benzene
D. Cyclohexane
8 Benzene does not undergo
A. Substitution reaction
B. Addition reaction
C. Oxidation reaction
D. Elimination reaction
9 Hydrogenation of alkenes/alkynes inthe presence of Ni as catalyst at 3000°C result in the formation of corresponding alkanes. This reaction is known as
A. Sabatier-senderens reaction
B. kolbes reaction
C. Cannizaro's reaction
D. Haloform reaction
10 Alkanes have functional group :
A. ----X
B. --OH
C. ----COH
D. No functional group

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