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Which of the following compound is formed when caustic soda is reacted with ferric chloride?

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in Chemistry – Class 11 by (148k points)
Which of the following compound is formed when caustic soda is reacted with ferric chloride?

(a) potassium chloride

(b) sodium chloride only

(c) ferric hydroxide only

(d) both ferric hydroxide and sodium chloride

This question was posed to me during an interview.

This interesting question is from s-Block Elements in chapter s-Block Elements of Chemistry – Class 11

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The correct choice is (d) both ferric hydroxide and sodium chloride

Easiest explanation: When 1 mole of ferric chloride is reacted with 3 moles of caustic soda, 1 mole of ferric hydroxide which is insoluble and three moles of sodium chloride are formed. It is an example of how caustic soda reacts with salt.

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