Question

\(CH_3 COOH\) solution turns red litmus into

• A. blue
• B. Remains red
• C. colourless
• D. None of these

Answer 1

The Correct Option is B

Litmus paper is a common indicator used to determine the acidity or basicity of a solution. Blue litmus paper turns red under acidic conditions, while red litmus paper remains red in acidic solutions. Acetic acid, with the chemical formula \(CH_3COOH\), is a well-known weak acid.

When red litmus paper is introduced into a solution of \(CH_3COOH\), it remains red because the solution is acidic. Red litmus paper only changes color in alkaline solutions, where it turns blue.

Thus, the correct behavioral observation is:

• Remains red

Answer 2

Explanation:

\( CH_3COOH \) is acetic acid, a weak acid.

Red litmus paper is used to test for alkalinity. However, since acetic acid is acidic in nature, it does not change the colour of red litmus paper.

Therefore, the red litmus paper remains red.

Correct Answer: Remains red