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Assertion(A): The micelle formed by sodi...

Assertion(A): The micelle formed by sodiumm stearate in water has -COO groups at the surface.
Reason(R): Surface tension of water is reduced by addition of stearate.

A

If both (A) and (R) are correct, and (R) is the correct explanation of (A)

B

If both (A) and (R) are correct, but (R) is the correct explanation of (A).

C

If (A) is correct, but (R) is incorrect.

D

If (A) is incorrect, but (R) is correct. S

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Assertion : The micelle formed by sodium stereate in water has -COO^(-) groups at the surface. Reason : Surface tension of water is reduced by the addition of stereate.

each question constain STATEMENT-1(Assertion ) and STATEMENT - 2 (reason). examine the statement carefully and work the correct answer accoridng to the instructions given below : STATEMENT-1: The micelle formed by sodium sterate in water hasj- COO^(-) groups at the surface. STATEMENT-2: Surface tension of water is reduced by the addition of sterate.

The surface tension of pure water is

The surface tension of water at freezing point is

The surface tension of cold water is that of hot water

Detergents ………… the surface tension of water.

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