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Solution - Important Carbon Compounds - Ethanoic Acid (Acetic acid)

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ConceptImportant Carbon Compounds - Ethanoic Acid (Acetic acid)  

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

Solution

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Consider the following comments about saponification reactions:

I. Heat is evolved in these reactions.

II. For quick precipitation of soap, sodium chloride is added to the reaction mixtures.

III. Saponification reactions are a special kind of neutralisation reactions.

IV. Soaps are basic salts of long-chain fatty acids.

The correct comments are

(a) I, II and III

(b) II, III and IV

(c) I, II and IV

(d) Only I and IV

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(B) Y and Z

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Solution for concept: Important Carbon Compounds - Ethanoic Acid (Acetic acid). For the course 8th-10th CBSE
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