Chemistry, 15.07.2019 23:00 cardenas08

Sort the following chemicals for their ability to act as an oxidizer. list from strongest to weakest; 1 being strongest, 6 being weakest. 1. 1st k 2. 2nd ag 3. 3rd au 4. 4th cu 5. 5th ni 6. 6th ca

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Answer from: QueenNerdy889

Explanation:

A oxidizing agent or oxidizer is a substance that loses electrons and itself gets reduced.

Also, a substance or element that has more positive value of $E^{o}_{cell}$ or reduction potential will act as a strong oxidizer because it will easily get reduced.

Therefore, standard reduction potential of the given elements is as follows.

K = -2.92

Ag = 1.83

Au = 0.80

Cu = 0.16

Ni = -0.23

Ca = -2.76

Hence, Ag has the highest positive value and calcium has the lowest. Thus, list from strongest to weakest oxidizer are as follows.

Ag > Au > Cu > Ni > Ca > K

Answer from: Quest

answer: - 3.) the oxidation state of nitrogen in no changes from +2 to 0, and the oxidation state of carbon in co changes from +2 to +4 as the reaction proceeds.

solution: - as per the rules, oxidation number of oxygen in its compounds is -2. the sum of oxidation numbers of all the elements of a molecule or compound is zero.

also, the oxidation number in elemental form is zero.

in no, the oxidation number of o is -2 so the oxidation number of n is +2 so that the sum is zero.

similarly, the oxidation number of c in co is +2 and o is -2.

on product side the oxidation number of n is 0 as it is in the elemental form( $n_2$ ) .

oxidation number of c in carbon dioxide is +4 as there are two oxygen in it and we know that each oxygen is -2.

so, oxidation number of n is changing from +2 to 0 and the oxidation number of c is changing from +2 to +4.

since nitrogen is reduced and hence no is acting as an oxidizing agent. carbon is oxidized and so co is acting as a reducing agent.

so, the right choice is number 3.)the oxidation state of nitrogen in no changes from +2 to 0, and the oxidation state of carbon in co changes from +2 to +4 as the reaction proceeds.

Answer from: Quest

Yes, endothermic means it turns cold. and some chemical changes include change of tempature.

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Sort the following chemicals for their ability to act as an oxidizer. list from strongest to weakest...