Select the set of compounds that have the same empirical formula

a. H2O and H2O2 b. N2O4 and NO2 c. CO and CO2 d. CH4 and C2H6

Question

Emely West

Chemistry

6 July, 07:21

Select the set of compounds that have the same empirical formula

a. H2O and H2O2 b. N2O4 and NO2 c. CO and CO2 d. CH4 and C2H6

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Answers (1)

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Christopher Henry · Answer 1

Hello!

The set of compounds that have the same empirical formula is b) N₂O₄ and NO₂.

The Empirical Formula is the most simple representation of the atom ratio in a chemical compound. Of the listed sets of compounds, the only in which the atom ratio is the same for both compounds is the pair N₂O₄ and NO₂ in which the atom ratio N:O is 1:2. The Empirical Formula for this pair is NO₂.

N₂O₄ has the same atom ratio as NO₂ but this formula has each atom multiplied by two. However, its Empirical Formula is the same.

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Select the set of compounds that have the same empirical formulaa. H2O and H2O2 b. N2O4 and NO2 c. CO and CO2 d. CH4 and C2H6

Select the set of compounds that have the same empirical formula

a. H2O and H2O2 b. N2O4 and NO2 c. CO and CO2 d. CH4 and C2H6