Question Detail

CHM 102 Group II Objective Question

Question

Beryllium reacts with oxygen only above 600°C, but its powder form is much more reactive. What is the general rule for Group 2 metals reacting with air?
Options
A They form peroxides only.
B They form nitrides only.
C They burn in air to form oxides (MO).
Correct Answer
D They do not react with air.
Correct Answer

Option C is the correct answer.

Detailed Explanation

Page 6 states: 'Group 2 metals burn in air to form oxides (MO)'. Beryllium is mentioned as an exception due to its uncreative nature at lower temperatures.

Hint

Look for the general reaction product when Group 2 metals burn in air.

Question Info