The compound [Fe(SCN)(OH2 )5 ] 2 can be detected in the reaction of [Co(NCS)(NH3 )5 ]2 with Fe2 (aq) to give Fe3 (aq) and Co2 (aq). What does this observation suggest about the mechanism

Explanation:

It is observed that the compounds are likely to be coordination compounds whereby SCN(thiocyanate) appears to be an ambidentate ligand possessing two(2) nucleophilic centers i.e sulphur and nitrogen.

The addition process of since it is an oxidizing agent that produces complex in solution.

Thus;

From above; the electron transfer reaction showcases an oxidation-reduction (redox) reaction.

answer: c. the experiment shows that the red substance experienced a chemical change.

explanation: chemical change is the change in which chemical composition of the substance changes. physical change is the change in which there is no change in chemical composition.

chemical changes are accompanied by following changes:

a) precipitate formation

b) energy is released or absorbed

c) formation of bubbles

d) change in color

as it is given that the red color has disappeared and there is production of gas, it means the red substance has undergone a chemical change.

e

2h2o2--> 2h2o + o2

this reaction is of the spontaneous decomposition of hydrogen peroxide down into water and oxygen.

add 2 molecules of hydrogen peroxide and 2 molecules of water. since oxygen is naturally diatomic, the total number of atoms of each element is now the same on both sides of the equation so it is balanced.

this may not be entirely correct but let me know.