Question

Answer the question in the attachment please be fast tomorrow is my exam please​

Answer 1

• metal (A) is present in common salt NaCl. So, (A) is sodium.

• Sodium reacts with hydrogen (B) to give sodium hydride – NaH (C) in which hydrogen is in -1 oxidation state.

• Hydrogen on reaction with oxygen (O2) gas which is (C) to give a universal solvent water (D).

• Water (D) reacts with sodium metal (A) to give a strong base sodium hydroxide NaOH which is (E).

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