Email
Chat with tutors
logo

Ask Questions, Get Answers

X
 
Answer
Comment
Share
Q)

Ammonia forms the complex ion $[Cu(NH_3)_4]^{2+}$ with copper ions in the alkaline solutions but not in acidic solutions. What is the reason for it ?


( A ) In alkaline solutions insoluble $Cu(OH)_2$ is precipitated which is soluble in excess of any alkali
( B ) Copper hydroxide is an amphoteric substance
( C ) In acidic solutions hydration protects copper ions
( D ) In acidic solutions protons co-ordinate with ammonia molecules forming $NH_4^+$ ions and $NH_3$ molecules are not available

Please log in or register to answer this question.

Home Ask Tuition Questions
Your payment for is successful.
Continue
...