Organic Chemistry in Real Life. We covered all the Organic Chemistry in Real Life in this post for free so that you can practice well for the exam.
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MCQ on Organic Chemistry in Real Life for Students
The correct order of these fuels in terms of their calorific value in increasing order is 1. Hydrogen gas 2. Kerosine oil 3. Charcoal 4. Wood
(a) 4, 3, 2, 1
(b) 4, 2, 3, 1
(c) 1, 2, 3, 4
(d) 1,3,2,4
Option a – 4, 3, 2, 1
Consider the following statements: The purpose of adding sodium sulphate and sodium silicate to washing powder is 1. To keep washing powder dry 2. To maintain the alkalinity of the powder which of these statements is/are correct?
(a) Only 1
(b) Only 2
(c) Both 1 and 2
(d) Neither 1 nor 2
Option c – Both 1 and 2
Which of the following does not contain nitrogen elements? 1. Superphosphate of lime 2. Urea 3. Indian saltpeter 4. Chile saltpeter
(a) 1, 3 and 4
(b) 1 and 3
(c) 1 only
(d) 3 only
Option c – 1 only
The following question consists of two statements, one labeled as the Assertion (A) and the other as ‘Reason (R), You are to examine these two statements carefully and select the answers to these items using the codes given below: Assertion (A): Though carbohydrates are covalent compounds, they are soluble in water. Reason (R): Compounds that form a hydrogen bond with water are generally soluble in water.
(a) Both A and R are individually true and R is the correct explanation of A
(b) Both A and R are individually true but R is NOT the correct explanation of A
(c) A is true but R is false
(d) A is false but R is true A
Option a – Both A and R are individually true and R is the correct explanation of A
A hydrocarbon has a molecular formula of C6H12. It does not react with hydrogen to give C6H14 nor does it react with chlorine to give C6H12Cl₂. The hydrocarbon C6H12 is A. A saturated hydrocarbon B. An unsaturated hydrocarbon C. An open chain hydrocarbon D. A cycloalkane
(a) A and B
(b) C and D
(c) D and B
(d) A and D
Option d – A and D
Which of the following statements is usually correct for carbon compounds? These (A) are good conductors of heat and electricity (B) are poor conductors of electricity (C) have strong forces of attraction between their molecules (D) do not have strong forces of attraction between their molecules
(a) (A) and (C)
(b) (B) and (C)
(c) (A) and (D)
(d) (B) and (D)
Option d – (B) and (D)
Low visibility during cold weather is due to
(a) the formation of fossil fuels.
(b) unburnt carbon particles or hydrocarbons suspended in the air.
(c) lack of adequate power supply.
(d) none of these
Option b – unburnt carbon particles or hydrocarbons suspended in the air
Consider the following statements : (A) All hydrocarbons show phenomena of isomerism. (B) The members of a homologous series have similar chemical and physical properties. (C) Cyclic hydrocarbons are saturated or unsaturated organic compounds that contain rings of carbon atoms. (D) Synthetic detergents are sodium or potassium salts of long-chain carboxylic acids. Which of the above statement(s) is/are correct?
(a) Only (C)
(b) Only (D)
(c) (A), (B), and (C)
(d) (A), (C), and (D)
Option a – Only (C)
A hydrocarbon has a molecular formula of C6H12. It does not react with hydrogen to give C6H14 nor does it react with chlorine to give C6H₁2Cl₂. The hydrocarbon C6H12is (A) A saturated hydrocarbon (B) An unsaturated hydrocarbon (C) An open chain hydrocarbon (D) A cyclo-alkane
(a) (A) and (B)
(b) (C) and (D)
(c) (D) and (B)
(d) (A) and (D)
Option d – (A) and (D)
Consider the following: Crude oil is a direct source of 1. Asphalt 2. Paraffin wax 3. Fatty acids 4. Gas oil. Which of the above is correct?
(a) 1 and 2 only
(b) 2 and 3
(c) 1 and 4 only
(d) 1, 2 and 4
Option d – 1, 2 and 4
Consider the following statements and select the correct code. Assertion (A): The main constituent of liquefied petroleum gas is methane. Reason (R): Methane can be used directly for burning in homes and factories where it can be supplied through pipelines. Codes :
(a) Both A and Rare are true, and R is the correct explanation of A. and R are true, but R is not the correct
(b) Both A explanation of A.
(c) A is true, but R is false.
(d) A is false, but R is true.
Option d – A is false, but R is true
An organic compound is a clear liquid having a molecular formula C₂H₂O. It has an open chain structure. Without any carbon-carbon double bond. The compound can be (A) alcohol (B) an ester (C) an aldehyde (D) a ketone
(a) (A) and (B)
(b) (C) and (D)
(c) (B) and (D)
(d) (D) and (A)
Option b – (C) and (D)
What is true about natural gas? A. Its main component is methane and is used as a fuel in motor cars. B. It is used as the raw material for manufacturing fertilizers. It is used for the generation of electricity. D. It is an inexhaustible natural source.
(a) A, B, and C
(b) B, C, and D
(c) C, D, and A
(d) D, A, and B
Option a – A, B, and C
The gaseous fuels A. burn without producing smoke. B. has a low calorific value. C. are easy to ignite. D. have a high calorific value. Select the correct alternative.
(a) A and B
(b) B and C
(c) C and D
(d) D and B
Option c – C and D
Among the following fuels of energy, which is the most environmentally friendly?
(a) Ethanol
(b) Biogas
(c) CNG
(d) Hydrogen
Option c – CNG
In a fuel cell-driven vehicle, the energy is obtained from the combustion of
(a) Methane
(b) Hydrogen
(c) LPG
(d) CNG
Option b – Hydrogen
The main constituents of biogas are
(a) Methane and Carbon dioxide
(b) Methane and Nitric oxide
(c) Methane, Hydrogen, and Nitric oxide
(d) Methane and Sulphur dioxide
Option a – Methane and Carbon dioxide
In which of the following functional group isomerism is not possible?
(a) Alcohols
(b) Aldehydes
(c) Alkyl halides
(d) Cynides
Option c – Alkyl halides
Which one of the following elements cannot be detected by “Lassaigne’s test”?
(a) I
(b) CI
(c) S
(d) F
Option d – F
A compound X is obtained by the reaction of alkaline KMnO4 with another compound Y followed by acidification. Compound X also reacts with compound Y in presence of a few drops of H₂SO4 to form a sweet-smelling compound Z. The compounds X, Y, and Z are, respectively.
(a) Ethanol, Ethene, Ethanoic Acid
(b) Ethanoic Acid, Ethanol, Ethylethanoate
(c) Ethanoic Acid, Ethanal, Ethene
(d) Ethanol, Ethanoic Acid, Sodium Ethanoate
Option c – Ethanoic Acid, Ethanal, Ethene
The compound C6H1204 contains ( Organic Chemistry in Real Life )
(a) 22 atoms per mole
(b) twice the mass percent of H as compared to the mass percent of C
(c) six times the mass percent of C as compared to the mass percent of H
(d) thrice the mass percent of H as compared to the mass percent of O
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