SATHEE: D-And F-Block Elements Ques 486

D-And F-Block Elements Ques 486

Question: The blue complex formed on addition of cone. $N H_{4} O H$ solution to a $C u^{2 +}$ salt solution has the structure-

Options:

A) ${[C u {(N H_{4})}_{4}]}^{2 +}$

B) ${[C u {(N H_{3})}_{2}]}^{2 +}$

C) ${[C u {(N H_{3})}_{4}]}^{2 +}$

D) ${[C u {(N H_{4})}_{2}]}^{2 +}$

Show Answer

Answer:

Correct Answer: C

Solution:

$C u^{2 +} + 4 N H_{4} O H \to$ $\underset{d e e p b l u e c o m p}{{[C u {(N H_{3})}_{4}]}^{2 +}}, + 4 H_{2} O$

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D-And F-Block Elements Ques 486

Question: The blue complex formed on addition of cone. NH4OH solution to a Cu2+ salt solution has the structure-

Options:

Answer:

Solution:

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Question: The blue complex formed on addition of cone. $N H_{4} O H$ solution to a $C u^{2 +}$ salt solution has the structure-