Indicate the oxidation state for each of the following:

Chemistry

1 answer:

Nimfa-mama [501]1 year ago

6 0

P2H2 Oxidation State - Diphosphene

P2H2 has an oxidation number of +1. In P2H2, the oxidation

number of H is -1

H2C2O4 Oxidation State - Oxalic Acid

C has an oxidation number of +3 in H2C2O4. O has an oxidation

number of -2 in H2C2O4. H2C2O4 has an oxidation number of +1.

CrO2 Oxidation State - Chromium(IV) Oxide

CrO2 has an oxidation number of +4.

<h3>Explain oxidation?</h3>

The oxidation state, also known as the oxidation number, is an atom's hypothetical charge if all of its bonds to other atoms were fully ionic.

The sum of the oxidation states of all the atoms in an ion equals the ion's charge.

A substance's more electronegative element is given a negative oxidation state. The one that is less electronegative is given a positive oxidation state.

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Answer: assume pathogens are present and treat the samples accordingly

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A fire is an example of ________________ reaction, because heat is _____________ the system.

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d. exothermic; leaving

Exothermic reaction is a reaction that produces heat in the reaction whereas the endothermic reaction is a reaction in which heat is required to be given in the reaction to produce product.
Fire is an exothermic reaction.
A fire is produced due to oxidation of the fuel in the form of liquid or gas.
A fire is an example of combustion.
In fire both heat and light are left from fire due to the oxidation of fuel.

Hence, option d. exothermic; leaving is the correct option.

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