question What type of reaction involves the breakdown of a compound into two or more simpler substances

Chemistry

What type of reaction involves the breakdown of a compound into two or more simpler substances?

A. Decomposition
B. Synthesis
C. Single displacement
D. Double displacement

Decomposition reactions involve the breakdown of compounds into simpler substances.

Which of the following is a secondary amine?

A. CH₃NH₂
B. (CH₃)₂NH
C. NH₃
D. C₆H₅NH₂

The reaction of an alcohol with a carboxylic acid to form an ester is known as:

A. Esterification
B. Transesterification
C. Saponification
D. Hydrolysis

In the periodic table, the alkali metals are found in which group?

A. Group 1
B. Group 2
C. Group 17
D. Group 18

What is the product of the reaction between potassium hydroxide (KOH) and acetic acid (CH₃COOH)?

A. Potassium acetate and water
B. Acetic acid and potassium hydroxide
C. Potassium acetate and acetic acid
D. Water and potassium hydroxide

Which of the following is an example of a tertiary alcohol?

A. CH₃OH
B. CH₃CH₂OH
C. (CH₃)₃COH
D. CH₃COOH

Which compound is an example of an aromatic hydrocarbon?

A. Ethene
B. Propane
C. Benzene
D. Butyne

The heat capacity ratio (γ) is also known as the:

A. Adiabatic index
B. Isentropic exponent
C. Enthalpy ratio
D. Entropy index

The element with the chemical symbol Cu is:

A. Copper
B. Calcium
C. Cesium
D. Chromium

Which technique measures the absorption of X-rays by atoms to determine the elemental composition of a sample?

A. X-ray fluorescence (XRF)
B. X-ray diffraction (XRD)
C. X-ray photoelectron spectroscopy (XPS)
D. X-ray absorption spectroscopy

What is the IUPAC name for CH₃CH₂CH₂NH₂?

A. Ethylamine
B. Propylamine
C. Butylamine
D. Ethylmethanamine