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The complex ion [Cu(NH(3))(4)]^(2+) has ...

The complex ion `[Cu(NH_(3))_(4)]^(2+)` has :

A

In acidic solutions hydration protects copper ions

B

In acidic solutions protons coordinate with ammonia molecules forming `NH_4^(+)` ions and `NH_3` molecules are not available

C

In alkaline solutions insoluble `Cu(OH)_2` is precipitated which is soluble in excess of any alkali

D

Copper hydroxide is an amphoteric substance.

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The correct Answer is:
B
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AAKASH SERIES-COMPLEX COMPOUNDS -OBJECTIVE EXERCISE -2 (COMPLEX COMOUNDS)
  1. The primary valency of the central transition metal ion in a complex c...

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  2. The number of ions given by [CO(NH(3))(3)Cl(3)] in aqueous solution i...

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  3. The oxidation state of Chromium in the complex, [Cr(NH3)4Cl2]Cl is

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  4. When 1 mole of [Co(NH3)3Cl3] is added to excess of AgNO3 solution the ...

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  5. The secondary valency of Chromium in [Cr(en)(3)]Cl(3) is

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  6. The deep blue complex produced by adding excess of Ammonia to CuSO(4) ...

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  7. K2SO4 . Al2 (SO4)3. 24 H2O is

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  8. Number of dative bonds in the complex CoCl(3).5NH(3) is

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  9. The correct match in terms of the charge on the complex

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  10. A complex compound of Co^(3+) with molecular formula COClx. yNH3 give...

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  11. Pick up true statement about the complex compound with formula [Co(NH3...

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  14. Number of unpaired electrons in [Fe(CN)6]^(4-) ion

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  15. Which of the following is diamagnetic

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  16. The number of ions formed when cupra ammonium sulphate is dissolved in...

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  20. [PdBr4]^(2-) is a sqaure planar complex. The hybridisation of Pd^(2+) ...

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