3 years ago

Which of the following is an oxidation-reduction reaction?

Chemistry

1 answer:

Alina [70]3 years ago

5 0

Answer:

last choice

Explanation:

oxidation and reduction can be defined in terms of adding or removing oxygen to a compound

oxidation is gaining oxygen

reduction is to loss oxygen

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What kind of energy can be mainly excited by us/visible light

erica [24]

I'm thinking the answer you are looking for is light energy. With the sunlight there is light energy and heat.

3 0

3 years ago

starting with methane ,name all the steps and write the equations involved in tetrachlorination.Remember all arrows sharing move

anygoal [31]

Answer:

See Explanation and image attached

Explanation:

Methane is an alkane. The commonest chemical reaction that alkanes undergo is substitution. During a substitution reaction, one or more atoms of hydrogen is/are replaced in the alkane.

In methane, in the presence of sunlight and molecular chlorine gas, a homolytic fission of Cl2 occurs to yield chlorine radicals in an initiation step.

The propagation steps involve reaction of the methane with chlorine radicals. Certain intermediates continue to be formed along the way until the tetrachlorination product is finally obtained.