Moderate

Q. Give an example of positional isomerism

A. 1-Propanol and 2-Propanol

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Moderate

999

Q. Identify the chemical reaction which yields chloroform

A. (c) CH2Cl2 + Cl2 Explanation Chloroform (CHCl₃) is produced by the chlorination...

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Moderate

Q. Write the structural formulae of 1,2-dibromoethane and 1,1,2,2-tetrabromoethane. Write the name of the organic compound...

A. Structural Formulae of 1,2-dibromoethane and 1,1,2,2-tetrabromoethane When ethyl alcohol is heated with...

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Moderate

831

Q. Write down the reaction of the industrial production of Ethylene. Mention two uses of Ethylene.

A. CH3CH2OH (Vapour) H2C = CH2 (Ethylene) + H2O The two uses of...

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Moderate

589

Q. A hydrocarbon in the substitution reaction with chlorine in diffused sunlight forms methyl chloride in...

A. The hydrocarbon is methane (CH4). Balanced Chemical Equation for the First Step:...

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Easy

Q. Write the name of monomer of a polymer which is used to prepare non-stick utensils.

A. Tetrafluoroethylene (TFE) Chemical Formula: CF₂ = CF₂

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Easy

Q. Identify the triple bond unsaturated hydrocarbon: (a) CH₄ (b) C₂H₆ (c) C₂H₄ (d) C₂H₂

A. (d) C₂H₂ Explanation A triple bond unsaturated hydrocarbon is known as an...

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Easy

Q. Which gaseous hydrocarbon is used for ripening of fruits?

A. Ethene (Ethylene) – C₂H₄ Explanation Ethene (ethylene) is a gaseous hydrocarbon that...

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Easy

784

Q. Write down the structural formula of the principal constituent of LPG

A. The principal constituent of LPG (Liquefied Petroleum Gas) is propane. The structural...

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Easy

580

Q. Write down the names of two organic compounds with different functional groups designated by the...

A. Two organic compounds with the formula C₂H₆O but different functional groups are:...

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Easy

685

Q. Which compound is used to prepare melamine ?

A. The compound used to prepare melamine is urea.

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Easy

500

Q. Draw the structural formula of a saturated hydrocarbon containing two carbon atoms.

A. The structural formula of ethane:

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