Problem 29 - A Complete Resource Book in Chemistry for JEE Main

Question

Benzene hexachloride is used as (a) dye (b) insecticide (c) antimalerial drug (d) antibiotic

Step-by-Step Solution

Answer

Benzene hexachloride is used as (b) insecticide.

Step 1: Understand the Options

First, we need to understand each option given in the exercise: - (a) Dye: A substance used for coloring materials. - (b) Insecticide: A chemical used to kill insects. - (c) Antimalarial drug: A medication used to prevent or treat malaria. - (d) Antibiotic: A type of medication used to treat bacterial infections.

Step 2: Recall What Benzene Hexachloride Is Used For

Benzene hexachloride (BHC) is a chemical compound known for its insecticidal properties. It has been widely used in agriculture and for controlling household pests as an effective insecticide.

Step 3: Match Benzene Hexachloride to the Correct Option

Given that benzene hexachloride is used as an insecticide, we match it with the appropriate option. Therefore, the correct answer to the question is option (b) insecticide.

Key Concepts

Benzene Hexachloride

Benzene hexachloride (BHC) is a well-known chemical compound for its insecticidal properties. It is obtained through the chlorination of benzene, and this results in several isomers, with gamma benzene hexachloride, also known as Lindane, being the most active one. Lindane has been used effectively in pest control and agriculture to protect crops from a variety of insect infestations.

BHC has made significant contributions to agriculture due to its ability to target pests that would otherwise affect crop yields. However, it should be used with caution because of _potential environmental and health risks_ associated with its use. The use of BHC is regulated and often limited to certain applications to ensure safety.

Chemical Compounds in Agriculture

In agriculture, chemical compounds play a pivotal role in enhancing and ensuring crop productivity. These compounds include fertilizers, herbicides, fungicides, and insecticides. Chemical compounds like these are integral because they help to:

• Improve plant growth and yield.
• Protect crops from diseases and pests.
• Facilitate efficient farming practices by reducing labor requirements.

Benzene hexachloride falls under the category of insecticides, which specifically target insects harmful to crops.

However, while these compounds can significantly benefit agricultural practices, they also need to be managed responsibly to minimize adverse effects on the environment and human health. The _responsible management of chemical compounds_ involves the right use, appropriate quantities, and safe disposal practices to safeguard ecosystems.

Pest Control Chemicals

Pest control chemicals are essential in managing pests that threaten agricultural productivity and human health. These chemicals are classified into different groups, such as insecticides, fungicides, and herbicides, each designed to target specific categories of pests.

When it comes to insecticides like benzene hexachloride, their primary purpose is to eliminate insects that can damage crops or carry diseases. It is crucial to select the appropriate type of insecticide for specific pests; otherwise, there can be unintended detrimental effects.

• Efficiency in reducing pest populations.
• Preventing the spread of diseases.
• Maintaining crop health and safety.

However, it's important to handle pest control chemicals with care to prevent resistance, environmental damage, and potential health risks. This underscores the importance of integrated pest management practices that combine chemical treatments with other methods to achieve sustainable pest control.