Question

write word equation for the following:
Pb + 2NaOH → Na2PbO2 + H2
​

Answer 1

Explanation:

This is an oxidation reduction (redox) reaction

• Pb - 2e- ----> pb

(oxidation)

• 2H + 2e- ----> 2H

(reduction)

Pb is an reducing agent, NaOH is an oxidaizing agent

Reactants:

Pb

Names: Lead, Lead metal, Plumbum

Appearance: Bluish-white or silvery-grey solid in various forms. turns tarnished on exposure to air. A heavy, ductile, soft, gray solid.

NaOH

Names: Sodium hydroxide , Caustic soda,

Appearance: White, waxy, opaque crystals White hygroscopic solid in various forms Colorless to white, odorless solid (flakes, beads, granular form).

Products:

• Products:Na2PbO2
• Products:Na2PbO2H2

Products:Na2PbO2H2Names: Dihydrogen, Hydrogen, H2, H₂, Molecular hydrogen gas, Hydrogen gas , Hydrogen molecule, Molecular hydrogen

Appearance: Odourless colourless compressed gas