Question Detail

CHM 102 Sblock elements Objective Question
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Question

When nitrates of Group 1 elements (except lithium) are heated, what are the primary products formed?
Options
A Metal oxide and nitrogen dioxide
B Metal nitrite and oxygen
Correct Answer
C Metal and nitrogen gas
D Metal peroxide and nitrogen monoxide
Correct Answer

Option B is the correct answer.

Detailed Explanation

Page 22 states: 'When heated, nitrates of group 1 elements are converted to nitrite and oxygen is given off' and provides the general reaction: 2KNO₃(s) → 2KNO₂(s) + O₂(g).

Hint

Distinguish between the general decomposition of Group 1 nitrates and the specific decomposition of lithium nitrate.

Question Info

Course: CHM 102
Topic: Sblock elements
Type: Objective
Difficulty: Not specified
Question 1790 of 1999
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