Question 1

Which of the following is the correct name for the compound $$\mathrm{N_2O}$$ according to standard nomenclature rules for binary molecular compounds?

Accepted Answer

Dinitrogen monoxide

Question 2

When naming a binary molecular compound, which element is named first?

Accepted Answer

The element that appears first in the chemical formula

Question 3

What is the correct name for the compound $$\mathrm{$$NCl_3$$}$$?

Accepted Answer

Nitrogen trichloride

Question 4

Which of the following is the correct formula for dinitrogen tetroxide?

Accepted Answer

$$\mathrm{N_2O_4}$$

Question 5

A student writes the name for $$\mathrm{NO_2$} as$$ 'nitrogen dioxide.' Is this correct, and why?

Accepted Answer

Yes, because the prefix 'di-' is used for two oxygen atoms.

Question 6

Which of the following names is incorrect for the compound $$\mathrm{N_2O_5}$$?

Accepted Answer

Nitrogen pentoxide

Question 7

Given the compound $$\mathrm{N_2O_3}$$, which of the following is its correct name?

Accepted Answer

Dinitrogen trioxide

Question 8

Which of the following is the correct formula for nitrogen trifluoride?

Accepted Answer

$$\mathrm{NF_3$}$$

Question 9

A patient is exposed to a gas with the formula $$\mathrm{N_2O}. $$Which of the following is a correct description of this compound's name and a common use?

Accepted Answer

Dinitrogen monoxide; used as an anesthetic (laughing gas)

Question 10

Which of the following best explains why prefixes such as 'mono-', 'di-', and 'tri-' are used in naming binary molecular compounds?

Accepted Answer

To indicate the number of atoms of each element in the compound

Question 11

If a compound is named 'dinitrogen monoxide,' what is its chemical formula?

Accepted Answer

$$\mathrm{N_2O}$$

Question 12

Which of the following is the correct name for the compound $$\mathrm{NO}$$?

Accepted Answer

Nitrogen monoxide

Question 13

A student is asked to name $$\mathrm{N_2S}$$ and writes 'dinitrogen monosulfide.' Is this correct?

Accepted Answer

Yes, because the prefixes correctly indicate the number of atoms

Question 14

Which of the following is the correct formula for a compound named 'dinitrogen difluoride'?

Accepted Answer

$$\mathrm{N_2F_2}$$

Question 15

In the name 'dinitrogen pentoxide,' what does the prefix 'pent-' indicate?

Accepted Answer

There are five oxygen atoms in the compound

Question 16

Which of the following is the correct name for the compound $$\mathrm{N_2Br_4}$$?

Accepted Answer

Dinitrogen tetrabromide

Naming Ionic and Molecular Compounds

Study Guide - Practice Questions

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