Question 1

Which of the following is the correct formula for hydrosulfuric acid?

Accepted Answer

$$\mathrm{H_2S}$$

Question 2

What is the correct name for the acid with the formula $$\mathrm{HCN}$$?

Accepted Answer

Hydrocyanic acid

Question 3

Which of the following acids is classified as a binary acid?

Accepted Answer

$$\mathrm{HCl}$$

Question 4

What is the correct name for $$\mathrm{$$HNO_2$$}$$?

Accepted Answer

Nitrous acid

Question 5

Which of the following is the correct formula for phosphoric acid?

Accepted Answer

$$\mathrm{H_3PO_4}$$

Question 6

A student is asked to write the formula for acetic acid. Which of the following is correct?

Accepted Answer

$$\mathrm{CH_3COOH}$$

Question 7

Which acid is formed when hydrogen ion is bonded to the cyanide ion?

Accepted Answer

Hydrocyanic acid

Question 8

What is the correct name for $$\mathrm{H_2SO_4}$$?

Accepted Answer

Sulfuric acid

Question 9

Which of the following is the correct formula for hypochlorous acid?

Accepted Answer

$$\mathrm{HClO}$$

Question 10

If the polyatomic ion ends with '-ate', what is the correct suffix for the corresponding acid?

Accepted Answer

'-ic' (e.g., nitric acid from nitrate)

Question 11

Which of the following acids is an oxyacid?

Accepted Answer

$$\mathrm{H_2SO_4}$$

Question 12

A student writes the formula $$\mathrm{H_2CO_3}$$ for carbonic acid. Is this correct, and why?

Accepted Answer

Yes, because carbonic acid is formed from the carbonate ion ($$\mathrm{CO_3$^{2-}}) $$and hydrogen ions.

Question 13

Which acid is correctly named based on the rules for binary acids?

Accepted Answer

Hydrochloric acid ($$\mathrm{HCl})$$

Question 14

What is the correct formula for nitrous acid?

Accepted Answer

$$\mathrm{$$HNO_2$$}$$

Question 15

Which of the following is the correct name for $$\mathrm{H_3PO_3}$$?

Accepted Answer

Phosphorous acid

Question 16

A student is asked to write the formula for hypochlorous acid. Which of the following is correct?

Accepted Answer

$$\mathrm{HClO}$$

Question 17

Which of the following acids contains the acetate ion?

Accepted Answer

Acetic acid ($$\mathrm{CH_3COOH})$$

Question 18

What is the correct name for $$\mathrm{H_2SO_3}$$?

Accepted Answer

Sulfurous acid

Question 19

Which of the following is the correct formula for cyanic acid?

Accepted Answer

$$\mathrm{HOCN}$$

Question 20

If a polyatomic ion ends with '-ite', what is the correct suffix for the corresponding acid?

Accepted Answer

'-ous' (e.g., nitrous acid from nitrite)

Naming Acids: Binary Acids and Oxyacids

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