Question

When a piece of sodium metal is dropped in water, a reaction takes place to yield hydrogen because:

• A. sodium loses electrons
• B. sodium acts as an oxidising agent
• C. water loses electrons
• D. water acts as a reducing agent

Answer 1

The correct option is A sodium loses electrons

When sadium metal is dropped in water then reaction takes place as

at anode: $Na\to N{a}^{+}+e^{-}$

and at cathode $2H^{+}+2e^{-}\to H_2$