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प्रश्न
उत्तर
Initially when ammonium solution is added to aqueous solution of copper sulphate a bluish precipi tate of copper hydroxide is obtained which dissolves in excess of ammonium hydroxide.
\[\ce{CuSo4 + 2NH4OH -> (NH4)2SO4 + Cu(OH)2}\]
\[\ce{Cu(OH)2 + (NH4)2SO4 + 2NH4OH -> [Cu(NH3)4]SO4 + 4H2O}\]
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संबंधित प्रश्न
Write balanced chemical equations for the following:
An equation to illustrate the reducing nature of ammonia.
A gas ‘P’ gives dense white fumes with chlorine. Its aqueous solution gives a blue colour with copper (II) hydroxide (a) Name the gas P. (b) Give its formula (c) Give three uses of P.
Name the following
Products obtained by burning ammonia in oxygen.
Why is ammonium hydroxide used in qualitative analysis? Give two equations to justify your answer.
Give balanced chemical equations for the following:
Reaction of ammonia with sulphuric acid.
Give balanced equation to prove that ammonia Has the element nitrogen in it.
Describe all what you will observe and write chemical equation, when limited amount of ammonia gas is passed through the following aqueous solution:
CrCl3
Look at the following reaction :
A. Nitrogen + metal → compound X
B. X + water → ammonia + another compound
C. Ammonia + metal oxide → metal + water + N2
(i) One metal that can be used for reaction in A is magnesium.
(a) Write the formula of the compound X, that is formed.
(b) Write the balanced equation for reaction B, where Xis the compound formed.
( c) Which property of ammonia is demonstrated by reaction C?
Write balanced chemical equations for a reaction in which ammonia is oxidised by the following:
(i) A metal oxide
(ii) A gas which is not oxygen
On passing ammonia gas over heated copper oxide for some time, a reddish-brown residue is left behind. What property of ammonia is demonstrated here?
