Chemistry

2019 U.S. National Chemistry Olympiad Local Section Exam Question 8

Addition of 1 M HBr to 0.1 M solutions of which compound results in evolution of a colorless gas?

(A) NaHSO3
(B) NaHSO4
(C) Ce(NH4)2(NO3)6
(D) KBrO3

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Test ID: 1876
Source: acs.org