Easy MCQ +4 / -1 PYQ · JEE Mains 2024

Match List I with List II

LIST I
(Compound)
LIST II
(Uses)
A. Idoform I. Fire extinguisher
B. Carbon tetrachloride II. Insecticide
C. CFC III. Antiseptic
D. DDT IV. Refrigerants

Choose the correct answer from the options given below:

  1. A A-II, B-IV, C-I, D-III
  2. B A-III, B-I, C-IV, D-II Correct answer
  3. C A-III, B-II, C-IV, D-I
  4. D A-I, B-II, C-III, D-IV

Solution

<p>The matching for each compound with its respective use is based on their known applications:</p> <ul> <li><strong>Iodoform</strong> is a compound known for its application as an <strong>antiseptic</strong>. It has been used historically in medical applications for the treatment of wounds due to its antimicrobial properties. Hence, Iodoform matches with <strong>III. Antiseptic</strong>.</li> <li><strong>Carbon Tetrachloride</strong> was widely used as a <strong>fire extinguishing agent</strong> due to its property of being a non-flammable liquid that can suffocate fires. However, its use has been significantly reduced in most countries because of its adverse health and environmental impacts. Carbon Tetrachloride matches with <strong>I. Fire extinguisher</strong>.</li> <li><strong>CFCs (Chlorofluorocarbons)</strong> have been used as <strong>refrigerants</strong> in air conditioning and refrigeration systems. Their capacity to absorb heat makes them suitable for this purpose. Unfortunately, their harmful effects on the ozone layer have led to their phase-out under global agreements like the Montreal Protocol. Therefore, CFC matches with <strong>IV. Refrigerants</strong>.</li> <li><strong>DDT (Dichlorodiphenyltrichloroethane)</strong> is known for its use as an <strong>insecticide</strong>. It was widely used to control mosquito populations and other agricultural pests. However, due to environmental and health concerns, its use has been banned or severely restricted in many countries. DDT matches with <strong>II. Insecticide</strong>.</li> </ul> <p>Thus, the correct option is <strong>Option B</strong>: A-III, B-I, C-IV, D-II.</p>

About this question

Subject: Chemistry · Chapter: Chemistry in Everyday Life · Topic: Drugs and Medicines

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