Which of the following is observed when a solution of iron (III) chloride is mixed with a solution of sodium hydroxide?
A. A gas is evolved B. A deep blue precipitate is formed C. The resultant solution turns green turns D. A brown precipitate is formed
Correct Answer: D
Explanation
iron(III) chloride is a yellow solution sodium hydroxide is colourless iron(III) hydroxide is a reddish brown precipitate sodium chloride is colourless So in the reaction, yellow solution when added to sodium hydroxide forms reddish brown precipitate that is insoluble in excess sodium hydroxide.
