MTTC MTTC Chemistry 3

Question 1

What is the pH of a solution with a hydrogen ion concentration of 1×10⁻⁴ M?

Accepted Answer

4

Answer

−4

Answer

10

Answer

0.0001

Question 2

According to the Brønsted-Lowry definition, an acid is a substance that:

Accepted Answer

Donates protons (H⁺)

Answer

Accepts protons (H⁺)

Answer

Accepts electron pairs

Answer

Donates electron pairs

Question 3

What organic product is formed when a carboxylic acid reacts with an alcohol?

Accepted Answer

Ester

Answer

Aldehyde

Answer

Ketone

Answer

Ether

Question 4

Which functional group characterizes alcohols?

Accepted Answer

−OH (hydroxyl)

Answer

−COOH (carboxyl)

Answer

−CHO (aldehyde)

Answer

−NH₂ (amino)

Question 5

What is the IUPAC name for the straight-chain alkane with the molecular formula C₃H₈?

Accepted Answer

Propane

Answer

Methane

Answer

Ethane

Answer

Butane

Question 6

What products form when hydrochloric acid (HCl) reacts with sodium hydroxide (NaOH) in a neutralization reaction?

Accepted Answer

NaCl and H₂O

Answer

NaCl and O₂

Answer

NaH and HOCl

Answer

Na₂Cl and H₂O₂

Question 7

What is the hybridization of each carbon atom in ethylene (C₂H₄)?

Accepted Answer

sp²

Answer

sp

Answer

sp³

Answer

sp³d