Chemistry - Hydrocarbon and Its Derivatives
Exam Duration: 60 Mins Total Questions : 30
Azeotropic mixtures
- (a)
boil at different temperatures
- (b)
are mixtures of solids
- (c)
are constant boiling mixtures
- (d)
None of the above
Study the following statements
1. Two immiscible liquids are separated by separating funnel.
2. Latest technique for purification, isolation and separation of organic compound is chromatography.
3. Oils are purified by steam distillation.
Which of the statements given above are correct?
- (a)
1 and 2
- (b)
2 and 3
- (c)
1 and 3
- (d)
1, 2 and 3
Study the following statements
1. The antifreeze is a mixture of ethylene glycol and water.
2. The last product of the alcoholic fermentation is ethyl alcohol.
3. The terylene is obtained by the reaction of terephthalic acid and ethylene glycol.
Which of the statements given above are correct?
- (a)
1, 2 and 3
- (b)
1 and 2
- (c)
1 and 3
- (d)
2 and 3
The vaseline is extracted through the
- (a)
plant gum
- (b)
coaltar
- (c)
pern wax
- (d)
petroleum
The gas releases through the septic tank is
- (a)
methane
- (b)
ethane
- (c)
hydrogen
- (d)
nitrogen
Match Column I with Column II and select the correct answer using the codes below the columns.
Column I (Example) |
Column II (Separation method) |
A. Methanol and acetone can be separated by | 1. Fractional distillation |
B. Aniline is separated from a mixture by | 2. Steam distillation |
C. Naphthalene and benzoic acid can be separated by | 3. Chromatography |
D. Camphor and benzoic acid can be separated by | 4. Chemical method |
- (a)
A B C D 1 2 3 4 - (b)
A B C D 2 3 4 1 - (c)
A B C D 3 4 1 2 - (d)
A B C D 4 1 2 3
Consider the following statements
1. Methyl alcohol is also called wood spirit because in early stage it was prepared by the destructive distillation of wood.
2. Ethyl alcohol is also called grain alcohol because it is obtained by the starch enriched substance.
3. Rectified spirit is also called commercial alcohol.
Which of the statements given above are correct?
- (a)
1 and 2
- (b)
1 and 3
- (c)
2 and 3
- (d)
1, 2 and 3
Which of the following acid is utilised in the photography?
- (a)
Formic acid
- (b)
Oxalic acid
- (c)
Citric acid
- (d)
Acetic acid
Consider the following statements
1. Methane is also known as marsh gas.
2. The main component of the natural gas is methane.
3. The main component of the gobar gas is methane.
Which of the statements given above are correct?
- (a)
1 and 2
- (b)
1 and 3
- (c)
2 and 3
- (d)
1, 2 and 3
The main components of the LPG are
- (a)
methane, ethane and hexane
- (b)
methane, ethane and nonane
- (c)
methane, propane and butane
- (d)
ethane, hexane and butane
Match Column I (Industrial process) with Column II (Industry with which associated) and select the correct answer using the codes given below the columns.
Column I | Column II |
A. Cracking | 1. Rubber |
B. Smelting | 2. Petroleum |
C. Hydrogenation | 3. Copper |
D. Vulcanization | 4. Edible fats |
- (a)
A B C D 3 2 1 4 - (b)
A B C D 2 3 4 1 - (c)
A B C D 2 3 1 4 - (d)
A B C D 3 2 4 1
Consider the following statements
1.Lassaigne's test is used for the detection nitrogen, sulphur and halogens.
2.In orgnic compound, halogens are estimated by Carius method.
3.Kjeldahl's method is used for the estimation of nitrogen.
Which of the statements given above are correct?
- (a)
1 and 2
- (b)
1 and 3
- (c)
2 and 3
- (d)
1,2 and 3
Match Column I with Column II and select the correct answer using the codes given below the columns
Column I | Column II |
A.Natural rubber | 1.Buna-S |
B.Synthetic rubber | 2.Latex |
C.Natural fibre | 3.Wool |
D.Synthetic fibre | 4.Nylon |
- (a)
A B C D 2 1 3 4 - (b)
A B C D 1 3 4 2 - (c)
A B C D 3 4 2 1 - (d)
A B C D 4 2 1 3
Compounds having same number and kind of atoms but different arrangement of atoms in their molecules are called
- (a)
allotrops
- (b)
isotopes
- (c)
isomers
- (d)
polymers
Hinsberg's reagent is
- (a)
benzene sulphonyl chloride
- (b)
benzene sulphuryl chloride
- (c)
benzene sulphonic acid
- (d)
benzene sulphonamide
Acetylene is used as an anaesthetic under the name of
- (a)
narcylene
- (b)
pyrene
- (c)
neopyrene
- (d)
pyroline
In cold countries, ethylene glycol is added in the water used in the radiators of cars during winter. This results in
- (a)
lowering in freezing point
- (b)
reducing the viscosity
- (c)
reducing the specific heat
- (d)
making water a better conductor of electricity
Match Column I with Column II and select the correct answer using the codes given below the columns.
Column I (Haloalkane/Arene) |
Column II (Application) |
A. Iodoform | 1.CF4 |
B. BHC | 2. Antiseptic |
C. Freon-14 | 3. Moth repellent |
D. Halothanes | 4. Inhalative anaesthetic |
E. p-dichlorobenzene | 5. Termite pesticide |
- (a)
A B C D E 2 4 5 3 1 - (b)
A B C D E 2 5 1 4 3 - (c)
A B C D E 3 4 2 1 5 - (d)
A B C D E 1 3 5 2 4 - (e)
A B C D E 5 4 3 2 1
Acidic hydrogen is present in
- (a)
ethyne
- (b)
ethene
- (c)
benzene
- (d)
ethane
Which one of the following polymers is widely used for making bulletproof material?
- (a)
Polyvinyl chloride
- (b)
Polyamides
- (c)
Polyethylene
- (d)
Polycarbonates
Consider the following chemicals.
1. Benzene 2. Carbon tetrachloride
3. Sodium carbonate 4. Trichloroethylene
Which of the above is/are used as dry cleaning chemicals?
- (a)
Only 1
- (b)
Only 2
- (c)
1, 2 and 4
- (d)
1, 2, 3 and 4
The process of vulcanisation was introduced by
- (a)
Charles Goodyear
- (b)
Kulbe
- (c)
Wohler
- (d)
Zelgler
Which of the following is not an explosive?
- (a)
TNT
- (b)
TNG
- (c)
Cyclo trimethylene trinitrotremine
- (d)
Nitro chloroform
Study the following statements
1. Liquefied Petroleum Gas (LPG) is a mixture of hydrocarbons with three to four carbon atoms.
2. LPG is used as fuel for households.
3. Compressed Natural Gas (CNG) is new being used in automobile as a substitute of petrol or diesel.
4. CNG is highly compressed form of natural gas.
Which of the statements given above are correct?
- (a)
1 and 2
- (b)
2 and 3
- (c)
1, 2 and 3
- (d)
1, 2, 3 and 4
Study the following statements
1. Cooking gas contains more than 90% of methane gas.
2. Cooking gas supplied in cylinders by gas agencies is liquid.
Which of the statements given above are correct?
- (a)
Only 1
- (b)
Only 2
- (c)
1 and 2
- (d)
None of these
Which one of the following is a source of methane emission into the atmosphere?
- (a)
Automobile exhaust fume
- (b)
Industrial chimney
- (c)
Mining
- (d)
Wet land
The gas emerged through the cigarette lighter is
- (a)
Butane
- (b)
methane
- (c)
propane
- (d)
redon
The methanol is also known by the name of
- (a)
rubing alcohol
- (b)
grain alcohol
- (c)
wood alcohol
- (d)
deformed alcohol
Match Column I with Column II and select the correct answer using the codes given below the columns.
Column I (Organic compound) |
Column II (Use) |
A. Naphthalene | 1. Moth repellent |
B. 0.2% solution of phenol | 2. Antiseptic |
C. 2,4,6 - Trinitrophenol | 3. Acid dye |
D. Hexachloroethane | 4. Substitute for camphor |
- (a)
A B C D 1 2 3 4 - (b)
A B C D 2 3 4 1 - (c)
A B C D 3 4 1 2 - (d)
A B C D 4 1 2 3
Consider the following statements
1. The simplest hydrocarbon is methane (CH).
2. Hydrocarbons support life directly as carbohydrates, proteins, nucleic acids.
3. Benzene is unsaturated cyclic hydrocarbon.
Which of the statements given above are correct?
- (a)
1 and 2
- (b)
1 and 3
- (c)
2 and 3
- (d)
1, 2 and 3