Statement 1: The micelle formed by sodium stearate in water contains -COO- groups at the surface.Statement 2: Addition of stearate decreases the surface tension of water.
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a
Both statements 1 and 2 are correct
b
Both statements 1 and 2 are incorrect
c
Statement 1 is correct and statement 2 is incorrect
d
Statement 1 is incorrect and statement 2 is correct
answer is A.
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Detailed Solution
The micelle formed by sodium stearate in water has -COO- groups at the surface as it is the hydrophilic end is true. The surface tension of water is reduced by addition of stearate is also true.