Consider the following statements:<br>1. Concentrated H_2SO_4 is used as a dehydrating agent in esterification reaction.<br>2. The hydrophilic part of soap is oil and it dissolves in water.<br>3. Nickel is used as a catalyst in converting vegetable oil into fat.<br>Which of the statements given above are <strong>CORRECT</strong>?
- A. 1, 2, 3 and 4
- B. 1 and 2 only
- C. 2 and 3 only
- D. 1 and 3 only ✓
Correct Answer: D. 1 and 3 only
Explanation
Statement 2 is incorrect because the hydrophilic (water-loving) part of soap interacts with water, while the hydrophobic (hydrocarbon) tail interacts with oil and dirt. Statements 1 and 3 are correct chemical applications.
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