Soap

They are biodegradable

They are sodium or potassium salts of long chain fatty acids

Their efficiency is unaffected in hard water (correct)

Their ionic part is —COO–Na+

—OSO3-Na+

—COO–K+

—COO–Na+ (correct)

—OSO3-K+

CH3—(CH2)11—C6H4—SO3Na (correct)

RCOO–Na+

CH3—(CH2)11—C6H4—OSO3-Na+

CH3—(CH2)11—C6H4—COO–Na+

<p>Presence of bicarbonates, chlorides, and sulphate salts of calcium and magnesium</p> Signup and view all the answers

<p>—OSO3-Na+</p> Signup and view all the answers