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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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Total Questions30
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Time Allowed30
ECAT Chemistry Chapter 19 Aliphatic Hydrocarbons
00:00
Question # 1
Which reaction sequence would be best to prepare 3-chloro-aniline from benzene?
Question # 2
Alkyne is :
Question # 3
Polymerization of ethane take place at pressure of 100 atm and a temperature of
Question # 4
Vinyl acetylene combines with HCI to form
Question # 5
The method involved for electrolysis of Na or K salts of carboxylic acids
Question # 6
Boiling point of n-butane is:
Question # 7
Alkanes have functional group :
Question # 8
During the preparation of alkanes the hydrogenation of alkenes or alkynes the catalyst may be
Question # 9
The carbon, carbon bond length in benzene is
Question # 10
Which class of compound is more reactive
Question # 11
Which can be used for dehydration of alcohol
Question # 12
The method in which alkanes prepared by alkyle halides in the presence of palladium - charcoal is
Question # 13
During the preparation of alkynes the active metals that react with tetra halo-alkanes are
Question # 14
Which decolourizes the colour of Br3
Question # 15
Which of the following is not an electrophitic substitution reaction of benzene
Question # 16
Alkanes are soluble in all except
Question # 17
Hybridization of each carbon atom in benzene ring is
Question # 18
the unreactivity of alkanes is based upon
Question # 19
Acetylene gives
Question # 20
C18and onward hydrocarbons are normally
Question # 21
Odour of alkene is:
Question # 22
An organic compound, on treatment with Br2 in CC14 gives bromoderivative of an alkene. The compound will be
Question # 23
The presence of a double bond in a compound in the sign of:
Question # 24
Which of the following possesses the highest melting point?
Question # 25
Raney - nickel is the alloy of Ni with
Question # 26
Mustard gas is a
Question # 27
Alkanes containing carbon C18ownwards are
Question # 28
When acetylene is passed through a copper tube at 300°C, it polymerizes to
Question # 29
Paraffins are also called
Question # 30
Which of the following is an ortho-para directing group
Top Scorers Of ECAT Chemistry Chapter 19 Aliphatic Hydrocarbons MCQ`s Test
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M M Umer Arain 29 - Nov - 2024 00 Min 03 Sec 110/120 -
G GOVT. SUFFA EDUCATION CENTER GIRLS MURIDKE 01 - Jun - 2024 04 Min 52 Sec 110/120 -
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Z Zoya Zoya 27 - May - 2024 11 Min 30 Sec 85/120
ECAT Chemistry Chapter 19 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | For preparing an alkane, a concentrated aqueous solution of sodium or potassium salt of saturated carboxylic acid is subjected to |
A. Hydrolysis
B. Oxidation
C. Hydrogenation
D. Electrolysis
|
| 2 | Mustard gas is a : |
A. Gas
B. Liquid
C. Solid
D. High boiling point
|
| 3 | Which compound was recognized the parent member of aromatic compounds |
A. Aniline
B. Phenol
C. Benzene
D. Toluene
|
| 4 | The order of reactivity of halogens in aliphatic substitution reactions is |
A. Br2 > C12 > F2
B. C12 > Br2 > F2
C. C12 C12 > Br2
D. F2 > Br2 > C12
|
| 5 | Hybridization of each carbon atom in benzene ring is |
A. sp hybridized
B. sp2hybridized
C. sp3
D. dsp2
|
| 6 | Alkyl halides when reduced with nascent hydrogen in the presence of Zn + HCI, are converted to |
A. Alkynes
B. Alkenes
C. Alkanes
D. Alcohol
|
| 7 | When n-hexane is heated in the presence of Pt at 500°C, it cyclists to give |
A. Benzene
B. Cyclohexene
C. Benzene
D. Toluene
|
| 8 | 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
|
| 9 |
|
A. 4-methyl pentene
B. 2-methyle-1-butene
C. 2-methyl propane
D. None of the above
|
| 10 | The method used only for the production of symmetrical alkanes |
A. Kolb's method
B. Clemmenen
C. Cannizzaro
D. Wolf kishner
|
Test Questions
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