Single Choice

When ammonia is added to a cupric salt solution, the deep blue colour is observed it is due to the formation of :

A$$[Cu(OH)_4]^{2-}$$
B$$[Cu(NH_3)_4]^{2+}$$
Correct Answer
C$$[Cu(H_2O)_2(NH_3)]^{2+}$$
D$$[Cu(H_2O)_4]^{2+}$$

Solution

SIMILAR QUESTIONS

d - block and f - block Elements

Which of the following statements about the interstitial compounds is incorrect?

d - block and f - block Elements

Which forms interstitial compounds?

d - block and f - block Elements

Which of the following statement is not correct?

d - block and f - block Elements

What are interstitial compounds? Why are such compounds well known for transition metals?

d - block and f - block Elements

Interstitial compounds are:

d - block and f - block Elements

Interstitial compounds are formed when small atoms are trapped inside the crystal lattice of metals. Which of the following is not the characteristic property of interstitial compounds?

d - block and f - block Elements

In salts of polyatomic anion, as polarising power of cation increases, thermal stability of the salt decreases and decomposed species may further undergo redox reaction. Water soluble salt (x) was heated into three products A,B and C and B and C are two different paramagnetic gases. A is red in hot condition, then salt (x) is

d - block and f - block Elements

Mercury (II) chloride solution on reaction with gaseous ammonia forms:

d - block and f - block Elements

Many transition metals form interstitial compounds. The characteristics of these interstitial compounds are: (I) They have high melting points, higher than those of pure metals (II) They are very hard (III) They retain metallic conductivity (IV) They are chemically more reactive than the pure metals

d - block and f - block Elements

Which of the following double salt does not exist?

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