Igcse Model Questions Vol1 2020 Chemistry Question 28
Practice objective / multiple choice question 28 from the 2020 Igcse Model Questions Vol1 Chemistry examination.
A piece of an unknown metal reacts with excess hydrochloric acid according to the equation \(\text{M} + n\,\text{HCl} \rightarrow \text{MCl}_{n} + \frac{n}{2}\,\text{H}_{2}\). A 1.20 g sample of the metal produces \(0.450\ \text{L}\) of hydrogen gas at STP. Determine the oxidation state \(n\) of the metal in its chloride and estimate its atomic mass (to the nearest whole number).
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About This Question
This is Igcse Model Questions Vol1 2020 Chemistry Question 28. It is one of the objective questions from the 2020 Igcse Model Questions Vol1 Chemistry examination.
Difficulty level: Hard .
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