Which among the following detergents is non ionic in character

a. Sodiumlauryl sulphate

b. Pentaerythrity stearate

c. Cetyltrimethyl ammonium chloride

d. Sodium n- dodecyl benzene sulphonate

Ans. b

Explanatinon : Esters of high molecular mass formed by reactions between polyethylene glycol and mono carboxylic acid are non ionic detergents hence pentaerythrityl stearate is non ionic in character.

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