D-And F-Block Elements Ques 487

Question: Identify the incorrect statement

Options:

A) $ CuSO_4 $ reacts with $ KCl $ in aqueous solution to give $ Cu_2Cl_2 $ .

B) $ CuSO_4 $ reacts with KI in aqueous solution to give $ Cu_2I_2 $ .

C) $ CuSO_4 $ react with $ NaOH $ and glucose in aqueous medium to give $ Cu_2O $ .

D) $ CuSO_4 $ on strong heating gives CuO.

Show Answer

Answer:

Correct Answer: A

Solution:

$ 2CuSO_4+4KI\to Cu_2I_2+2K_2SO_4+I_2 $ (not given by KCl).

Fehling solution gives $ Cu_2O $ with reducing substances $ CuSO_4\xrightarrow[\Delta ]{strong}CuO+SO_3 $



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