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. 

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

A metal 'M', which is used in thermite process, when heated with oxygen gives an oxide, which is amphoteric in nature. Identify 'M' and its oxide. Write down the reactions of oxide with HCl and NaOH.

When metal reacts with O2 it forms black solid which on reacting with Hydrogen gives back metal. Identify metal.

In a set of reaction m-bromobenzoic acid gives a product D . Identify the product D

In a set of reaction m-brmobenzoic acid gave a product D . Identify the product D

IN a set of reaction m- bromobenzoic acid gave a product D. Identify the product D.