Common questions

Is copper a precipitate?

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Is copper a precipitate?

Copper metal “dissolves” in nitric acid (HNO3). Hydroxide ion (OH-) binds to the copper (II) ion even more strongly than does water. As a result, hydroxide ion can displace water from the copper (II) ion, yielding copper hydroxide, Cu(OH)2, a blue precipitate.

What is Comproportionation reaction example?

A reaction in which an element in a higher oxidation state reacts with the same element in a lower oxidation state to give the element in an intermediate oxidation state. For example Ag2+(aq)+Ag(s) → 2Ag+(aq)It is the reverse of disproportionation.

What is meant by Comproportionation?

Comproportionation or synproportionation is a chemical reaction where two reactants, each containing the same element but with a different oxidation number, form a product in which the elements involved reach the same oxidation number. It is opposite to disproportionation.

How do you precipitate copper?

There are three general classes of copper precipitation methods:

  1. The copper precipitation by use of iron, scrap or sponge.
  2. Electrolytic deposition.
  3. The use of some gas or reagent by which the copper is obtained, usually in the form of an intermediate precipitate which requires further treatment.

What does copper form a precipitate with?

Precipitate tests

Metal ion Result on adding NaOH or NH 3 solution
copper(II), Cu 2+ blue precipitate
iron(II), Fe 2+ green precipitate
iron(III), Fe 3+ brown precipitate
magnesium, Mg 2+ white precipitate

What are disproportionation and Comproportionation reactions examples?

A disproportionation reaction is when a multiatomic species whose pertinent element has a specific oxidation state gets oxidized and reduced in two separate half-reactions, yielding two other products containing the same pertinent element. A convenient example is Mn2O3 becoming Mn2+ and MnO2 .

How do you find the N factor of a Comproportionation reaction?

  1. you can calculate n factor in disproportionation reaction by the formula.
  2. 1/N=1/n1 +1/n2.
  3. where n1=n factor for oxidation half.
  4. n2=n factor for reduction half.

Which of the following equation is an example for Comproportionation?

2H2S(g)+SO2(g)→2S(s)+2H2O(g)

What are disproportionation and Comproportionation reactions give suitable examples?

What are disproportionation and Comproportionation reactions give examples?

https://www.youtube.com/watch?v=AIjR6lSIXA4

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