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A metal M does not liberate hydrogen fro...

A metal M does not liberate hydrogen from acids but reacts with oxygen Q 5 to give a black colour product. Identify M and black coloured produCt and also explain the reaction of M with oxygen. 

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To solve the problem, we need to identify the metal M and the black-colored product formed when it reacts with oxygen. Let's go through the steps systematically. ### Step-by-Step Solution: 1. **Understanding the Behavior of Metal M**: - The problem states that metal M does not liberate hydrogen from acids. This indicates that metal M is less reactive than hydrogen. Metals that are less reactive than hydrogen do not displace hydrogen from acids. 2. **Identifying Metal M**: ...
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