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 (D)</p> Signup and view all the answers

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