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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: (i) What kind of combination exists between M and O ? (ii) How many electrons are there in the outermost shell of M ? (iii) Name the group to which M belongs. (iv) State the reaction taking place at the cathode. (v) Name the product at the anode. |
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Answer» (i) Electrovalent bond exists between M and O. (ii) One electron is there in the outermost shell. (iii) M belongs to First group. (iv) M+ + e- -----> M (at cathode). (v) Oxygen gas is liberated at anode. |
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