Question

For preparing soap in the laboratory we require an oil and a base. Which of the following combinations of an oil and a base would be best suited for the preparation of soap? (a) Castor oil and calcium hydroxide (b) Turpentine oil and sodium hydroxide (c) Castor oil and sodium hydroxide (d) Mustard oil and calcium hydroxide.

Answer 1

Answer:C) Castor oil and Sodium Hydroxide will be the best combination.

Answer 2

Dear Student,

◆ Answer -

(C) Castor oil and sodium hydroxide

● Explaination -

• Soaps are sodium/potassium salts of higher fatty acids.
• For preparation of soaps, hydroxide used is either sodium/potassium and higher fatty acids used are food oils.
• Hence from options, castor oil and sodium hydroxide will be best suitable to prepare a soap in lab.

Thanks dear...