Advertisements
Advertisements
प्रश्न
How does ammonia react with a solution of Cu2+?
Advertisements
उत्तर
NH3 acts as a Lewis base. It donates its electron pair and forms a linkage with metal ion.
`Cu_(" "(aq))^(2) + 4NH_(3(aq)) harr [Cu(NH_3)_4]_(" "(aq))^(2+)`
Blue Deep blue
संबंधित प्रश्न
Describe the laboratory method of preparation of ammonia
Mention the conditions required to maximise the yield of ammonia.
What happens when (NH4)2Cr2O7 is heated? Write the equations.
What is the action of the following reagents on ammonia :
Sodium metal
What is Nessler’s reagent?
In laboratory ammonia is prepared by heating:
Which compound is used in the preparation of caprolactam?
Which compound is used as the cooling liquid in refrigerators?
Ammonia act as a Lewis base because nitrogen has ____________.
On heating ammonium dichromate and barium azide separately we get ______.
Ammonia on reaction with hypochlorite anion can form:
The shape of ammonia molecule is ____________.
Liquid ammonia bottles are opened after cooling them in ice for some time. It is because liquid NH3 ____________.
Ammonia is generally manufactured for fertilizers by the reaction:
Which one of the following is not a use of ammonia?
In qualitative analysis when \[\ce{H2S}\] is passed through an aqueous solution of salt acidified with dil. \[\ce{HCl}\], a black precipitate is obtained. On boiling the precipitate with dil. \[\ce{HNO3}\], it forms a solution of blue colour. Addition of excess of aqueous solution of ammonia to this solution gives ______.
In the preparation of HNO3, we get NO gas by catalytic oxidation of ammonia. The moles of NO produced by the oxidation of two moles of NH3 will be ______.
\[\ce{PCl5}\] reacts with finely divided silver on heating and a white silver salt is obtained, which dissolves on adding excess aqueous \[\ce{NH3}\] solution. Write the reactions involved to explain what happens.
