Question 1

Which of the following best describes a covalent bond?

Accepted Answer

A bond formed by the sharing of electrons between two nonmetal atoms.

Question 2

What is the empirical formula for a compound containing 81.05% C, 8.162% H, and the remainder O by mass?

Accepted Answer

$\mathrm{C}_6\mathrm{H}_8\mathrm{O}_2$

Question 3

A sample contains 325 mg of acetylsalicylic acid ($\mathrm{C}_9\mathrm{H}_8\mathrm{O}_4$). How many moles of acetylsalicylic acid does it contain?

Accepted Answer

$1.80 	imes 10^{-3}$ mol

Question 4

Which of the following is the correct name for $\mathrm{FeSO}_4$?

Accepted Answer

Iron(II) sulfate

Question 5

What is the mass percent of chlorine in $\mathrm{CCl}_2\mathrm{F}_2$? (Molar mass = 120.91 g/mol; Cl = 35.45 g/mol)

Accepted Answer

58.64%

Question 6

Which formula represents the actual number of atoms of each element in a molecule?

Accepted Answer

Molecular formula

Question 7

How many moles of Cl are present in 38.5 mol of $\mathrm{CCl}_2\mathrm{F}_2$?

Accepted Answer

77.0 mol

Question 8

Which of the following is the correct IUPAC name for $\mathrm{CaCl}_2 \cdot 6\mathrm{H}_2\mathrm{O}$?

Accepted Answer

Calcium chloride hexahydrate

Question 9

What is the correct name for the compound $\mathrm{CuSO}_4 \cdot 5\mathrm{H}_2\mathrm{O}$?

Accepted Answer

Copper(II) sulfate pentahydrate

Question 10

Which of the following is the correct molecular formula for a compound with an empirical formula of $\mathrm{CH}_2\mathrm{O}$ and a molar mass of 180.16 g/mol?

Accepted Answer

$\mathrm{C}_6\mathrm{H}_{12}\mathrm{O}_6$

Question 11

Which of the following is the correct name for $\mathrm{K}_2\mathrm{CO}_3$?

Accepted Answer

Potassium carbonate

Question 12

What is the correct name for $\mathrm{N}_2\mathrm{O}_5$?

Accepted Answer

Dinitrogen pentoxide

Question 13

Which of the following is the correct name for $\mathrm{HNO}_3$?

Accepted Answer

Nitric acid

Question 14

What is the correct IUPAC name for the following organic compound: $\mathrm{CH}_3\mathrm{CH}_2\mathrm{CH}_2\mathrm{CH}_3$?

Accepted Answer

Butane

Question 15

Which of the following is the correct name for $\mathrm{CH}_3\mathrm{CH}_2\mathrm{CH}_2\mathrm{OH}$?

Accepted Answer

Propanol

Question 16

What is the correct name for the compound $\mathrm{CH}_3\mathrm{CH}_2\mathrm{CH}_2\mathrm{CH}_2\mathrm{CH}_3$ with a methyl group attached to the third carbon?

Accepted Answer

3-Methylpentane

Question 17

Which of the following is the correct name for a cyclic hydrocarbon with four carbon atoms and a methyl group attached to the third carbon?

Accepted Answer

3-Methylcyclobutane

Question 18

What is the correct name for $\mathrm{C}_6\mathrm{H}_5\mathrm{CH}_2\mathrm{CH}_3$?

Accepted Answer

Phenylethane

Question 19

A compound is found to contain 40.0% C, 6.7% H, and 53.3% O by mass. What is its empirical formula?

Accepted Answer

$\mathrm{CH}_2\mathrm{O}$

Molecules, Compounds, and Nomenclature: Study Notes for General Chemistry

Study Guide - Practice Questions

Study Guide - Flashcards