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JEE Main 2021
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Animated Solution for Chemistry - Chemistry in Everyday Life: Match List-I with List-II. \begin{array}{ll} \text{List-I (Class of chemicals)} & \text{List-II (Example)} \\ \text{A. Antifertility drug} & \text{1. Meprobamate} \\ \text{B. Antibiotic} & \text{2. Alitame} \\ \text{C. Tranquilizer} & \text{3. Norethindrone} \\ \text{D. Artificial sweetener} & \text{4. Salvarsan} \end{array} Choose the most appropriate answer from the options given below.

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Visualized Solution

Matching Chemical Classes

  • List I: Class of chemicals
  • List II: Examples

Antifertility Drugs

  • Antifertility drugs suppress hormones that promote pregnancy.
  • Example: Norethindrone (Synthetic progesterone)

Antibiotics

  • Antibiotics treat bacterial infections.
  • Example: Salvarsan (Arsphenamine)

Tranquilizers

  • Tranquilizers treat stress and anxiety.
  • Example: Meprobamate

Artificial Sweeteners

  • Artificial sweeteners provide sweetness without calories.
  • Example: Alitame

Final Answer

  • Correct Option: (c)

The Sigma Insight: Chemicals in Medicines

Solution Diagram

The Art of Chemical Matching

Welcome to a fascinating journey through the world of everyday chemistry!
In this problem, we are tasked with matching various classes of chemicals to their specific real-world examples.
This isn't just a memory test; it is a tour through some of the most impactful discoveries in pharmaceutical science.
Let's break down each category and uncover the science behind these remarkable compounds.

Decoding Antifertility Drugs

Our first category is antifertility drugs.
These are chemical substances specifically designed to suppress the action of hormones that promote pregnancy.
They essentially trick the body's endocrine system to prevent ovulation.
Looking at our list, the perfect match is Norethindrone.
Norethindrone is a highly effective synthetic progesterone derivative.
It is one of the most commonly used active ingredients in oral contraceptive pills.
Therefore, we can confidently link A to 3.

The Dawn of Antibiotics

Next up, we have antibiotics, the miracle drugs that revolutionized modern medicine.
Antibiotics are compounds that inhibit the growth of or destroy bacteria.
From our options, Salvarsan stands out as a monumental discovery.
Also known as arsphenamine, Salvarsan was developed by Paul Ehrlich.
It was the very first effective treatment for syphilis, marking the birth of targeted chemotherapy.
Thus, B perfectly matches with 4.

Calming the Mind

Tranquilizers
Moving on, we encounter tranquilizers.
These are neurologically active drugs that affect the central nervous system.
They are primarily prescribed to treat stress, anxiety, and various mental disorders by inducing a calming effect.
The correct example here is Meprobamate.
Meprobamate is a well-known mild tranquilizer.
It is frequently used for the short-term relief of anxiety symptoms, helping patients relax without severe sedation.
So, C matches with 1.

Sweetness Without Calories

Our final category is artificial sweeteners.
These are chemical compounds that provide the sweet taste of sugar but contain virtually zero calories.
They are a staple in the diet industry and for diabetic patients.
The matching compound is Alitame.
Alitame is a high-potency artificial sweetener containing aspartic acid.
It is incredibly sweet—about 2000 times sweeter than regular sucrose!
This makes D a perfect match for 2.

Finalizing the Puzzle

Now, let's bring all our findings together.
We have established the following connections: A matches with 3, B matches with 4, C matches with 1, and D matches with 2.
When we look at the given options, this exact sequence corresponds to option (c).
By understanding the fundamental purpose of each chemical, we have successfully solved the puzzle!

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