0
You visited us 0 times! Enjoying our articles? Unlock Full Access!
Question

When chloride ions are added to a solution containing $$Cu^{2+}(aq)$$, the complex ion $$[CuCl_4]^{2-}(aq)$$ is formed.
State the colours of $$Cu^{2+}(aq)$$ and $$[CuCl_4]^{2-}(aq)$$.
$$Cu^{2+}(aq)$$ __________
$$[CuCl_4]^{2-}(aq)$$ _________.

Solution
Verified by Toppr

Was this answer helpful?
0
Similar Questions
Q1
Both metals Mg and Fe can reduce copper from a solution having Cu2+ ion, according to equilibria.
Mg(s)+Cu2+(aq)Mg2+(aq)+Cu(s);K1=6×1090
Fe(s)+Cu2+(aq)Fe2+(aq)+Cu(s);K1=3×1026
Which metal will remove cupric ion from the solution to a greater extent?
View Solution
Q2
An aqueous solution of volume 500 ml contains the reaction
2Ag+(aq.)+Cu(s)Cu2+(aq.)+2Ag(s) in equilibrium with [Cu2+(aq)]= xM. Now, 500 ml of water is further added. On reset of above equilibrium [Cu2+(aq)] will be:
View Solution
Q3
When copper is added to a solution of silver ions, the following equilibrium is established.
$$Cu(s)+2Ag^+(aq)\rightleftharpoons Cu^{2+}(aq)+2Ag(s)$$; $$K_c=1.0\times 10^5$$.
What is the concentration of silver ions at equilibrium when $$[Cu^{2+}]=0.10$$ mol $$dm^{-3}$$?
View Solution
Q4
After dissolving 0.20 g sample of the alloy in acid, an excess of KI is added and the Cu2+ and I ions undergo the reaction:
Cu2+(aq)+I(aq)CuI(s)+I3(aq)
I3(aq)+S2O23(aq)S4O26(aq)+3I(aq)
If 20 ml of 0.1M Na2S2O3 is required for the titration to the equivalent point, what is the weight percent of Cu in the alloy?
View Solution
Q5
What is the hydronium ion concentration of a 0.02 M solution of Cu2+ solution of copper (II) perchlorate? The acidity constant of the following reaction is 5×109.

Cu2+(aq.)+2H2O(l)Cu(OH)+(aq.)+H3O+(aq.)

View Solution