1.

M is a metal above hydrogen in the activity series and its oxide has the formula M2O. This oxide when dissolved in water forms the corresponding hydroxide which is a good conductor of electricity. In the above context answer the following:1. What kind of combination exists between M and O? 2. How many electrons are there in the outermost shell of M? 3. Name the group to which M belongs. 4. State the reaction taking place at the cathode.5. Name the product at the anode.

Answer»

1. Electrovalent/Ionic compound is formed.

2. 1 

3. M belong to alkali metal group i.e., Group-1. 

4. M- + e → M — Reduction. 

5. Oxygen gas.



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