Which one of the following is the correct sequence in increasing order of molecular weights of the hydrocarbons?
A. Methane, Ethane, Propane and Butane
B. Propane, Butane, Ethane and Methane
C. Butane, Ethane, Propane and Methane
D. Butane, Propane, Ethane and Methane
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The addition of which of the following adds fizz to soft drinks?
A. Carbonic acid
B. Sulphuric acid
C. Acetic acid
D. Citric acid
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The ester has a . . . . . . . . odor.
A. pungent
B. chemical
C. fruit like
D. saine like
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Which of the following compounds does not contain a carboxylic acid group?
A. Picric acid
B. Vinegar
C. Salicylic acid
D. Benzoic acid
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Consider the following statements.
1. Saturated hydrocarbons undergo substitution reaction.
2. Carbon black is obtained when methane is heated in the absence of air.
Which of the above statement(s) is/are correct?
A. Only 1
B. Only 2
C. 1 and 2
D. None of these
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Consider the following statements.
1. Trinitrotoluene (TNT) is one of the most common explosives for military and industrial application.
2. The main use of aniline in the dye industry.
3. Azodyes play an important role as colouring agents in the textile, food and pharmaceutical industry.
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
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. . . . . . . . does not contain a carbonyl group-
A. Ketone
B. Carboxyl acid
C. Ethanol
D. Aldehyde
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Which of the following is not an unsaturated carbon compound?
A. Acetylene
B. Pentene
C. Butane
D. Benzene
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Hydrocarbons that have the same molecular formula but have different structural formulas . . . . . . . . it is said.
A. isotopic
B. isomeric
C. deformed alcohol
D. isobar
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Which acid is found in curd?
A. citric acid
B. lactic acid
C. tartaric acid
D. acetic acid
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Tartaric acid is a component of
A. Washing soda
B. Vinegar
C. Baking soda
D. Baking powder
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The gas emerged through the cigarette lighter is
A. butane
B. methane
C. propane
D. radon
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Which compound has the chemical formula CHCl3 whose melting point is 209 K?
A. Carbon tetrachloride
B. Chlorophenol
C. Chloroform
D. Chloroethanol
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In which among the following molecules is the distance between two adjacent carbon atoms largest?
A. Benzene
B. Ethane
C. Ethene
D. Ethyne
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What is the name of the compound CH3 - CH3 ?
A. propane
B. butane
C. ethane
D. methane
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Select one which is different from the IUPAC names given below.
A. C3 H5 OH ⟶ Propanol ⟶ Propyl Alcohol
B. CH3 OH ⟶ Methanol ⟶ Methyl Alcohol
C. C2 H5 OH ⟶ Ethanol ⟶ Ethyl Alcohol
D. C4 H9 OH ⟶ Butanol ⟶ butyl alcohol
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Consider the following statements.
1. Methane is also known asmarsh 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
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Which of the following is used to remove rust stains on cloth?
A. Kerosene
B. Lime
C. Oxalic acid solution
D. Petrol
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A mixture of carbon monoxide and hydrogen, which is a starting material for manufacturing a number of organic compound is
A. producer gas
B. natural gas
C. synthesis gas
D. oil gas
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Wood spirit is
A. methyl alcohol
B. ethyl alcohol
C. butyl alcohol
D. propyl alcohol
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