Question 1

Which of the following is a correct formula for a polyatomic ion?

Accepted Answer

$\mathrm{NO_3^-}$

Question 2

What is the correct IUPAC name for $\mathrm{Na_2SO_4}$?

Accepted Answer

Sodium sulfate

Question 3

Which of the following compounds contains a halide anion?

Accepted Answer

$\mathrm{KBr}$

Question 4

What is the correct name for $\mathrm{FeCl_3}$ using the Stock system?

Accepted Answer

Iron(III) chloride

Question 5

Which of the following is an alkane?

Accepted Answer

$\mathrm{C_4H_{10}}$

Question 6

A compound contains a benzene ring and a carboxylic acid group. What is the correct name for this compound?

Accepted Answer

Benzoic acid

Question 7

Which of the following is the correct formula for ammonium sulfate?

Accepted Answer

$\mathrm{(NH_4)_2SO_4}$

Question 8

What is the correct IUPAC name for $\mathrm{CH_3CH_2OH}$?

Accepted Answer

Ethanol

Question 9

Which of the following is a cycloalkane?

Accepted Answer

Cyclohexane

Question 10

Which of the following best describes the functional group in carboxylic acids?

Accepted Answer

$\mathrm{-COOH}$

Question 11

What is the correct name for $\mathrm{KNO_3}$?

Accepted Answer

Potassium nitrate

Question 12

Which of the following is a correct example of a monatomic cation?

Accepted Answer

$\mathrm{Na^+}$

Question 13

Which of the following is the correct formula for calcium phosphate?

Accepted Answer

$\mathrm{Ca_3(PO_4)_2}$

Question 14

Which of the following is the correct name for $\mathrm{C_2H_5Br}$?

Accepted Answer

Bromoethane

Question 15

A compound is named 2-chloropropane. Which of the following is its correct structure?

Accepted Answer

$\mathrm{CH_3CHClCH_3}$

Question 16

Which of the following is the correct name for $\mathrm{CH_3COOH}$?

Accepted Answer

Acetic acid

Question 17

Which of the following is a correct example of a cycloalkane with an alkyl substituent?

Accepted Answer

Methylcyclopentane

Question 18

Which of the following is the correct formula for magnesium nitrate?

Accepted Answer

$\mathrm{Mg(NO_3)_2}$

Question 19

Which of the following is the correct name for $\mathrm{C_6H_6}$?

Accepted Answer

Benzene

Question 20

Which of the following best describes the functional group present in alcohols?

Accepted Answer

$\mathrm{-OH}$

General Chemistry Study Guide: Chapter 2 – Atoms, Molecules, and Ions

Study Guide - Practice Questions