Question Detail

CHM 102 Sblock elements Objective Question
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Question

When sodium (Na) reacts with excess oxygen (O₂), what is the primary product formed?
Options
A Sodium oxide (Na₂O)
B Sodium peroxide (Na₂O₂)
Correct Answer
C Sodium superoxide (NaO₂)
D Sodium ozonide (NaO₃)
Correct Answer

Option B is the correct answer.

Detailed Explanation

Page 7 shows the reaction: '2Na(s) + O₂(g) → Na₂O₂(s) (excess oxygen)'. This indicates that sodium peroxide is formed when sodium reacts with excess oxygen.

Hint

Consider the different types of oxides formed by Group 1 metals depending on the oxygen availability.

Question Info

Course: CHM 102
Topic: Sblock elements
Type: Objective
Difficulty: Not specified
Question 1780 of 1999
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