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Lesson 0 of 15

4 min

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A candle, vinegar, and soap all contain carbon. They share that atom's habit.

One habit — sharing electrons four ways — builds every shape here.

Chapter 4 in your Class 10 book is Carbon and its Compounds. It shows what one element can do.

What you will learn

  • The bond that shares — atoms share electrons instead of swapping them.
  • Why carbon builds everything — four bond slots, and carbon bonds to itself.
  • Single or double — a double or triple bond uses more slots. A test finds it.
  • One part swapped — the end group decides a chain's family.
  • A family with one difference — same group, one more CH₂ each step.
  • Ethanol — a two-carbon chain that dissolves things and burns.
  • Ethanoic acid — a CH₃ joined to the acid group.
  • Soaps bridge oil and water — one end for each; the wash works.
  • Naming a compound — a stem for carbons, an ending for the group.
  • An acid and an alcohol make an ester — many smell fruity.
  • An ester and an alkali — saponification, the way soap is made.

Quick catch-up

These earlier lessons help. Open one first if a line ahead is hard to follow.

  • The outer shell decides — how full a shell is decides its chemistry.
  • Compounds that carry charge — some compounds are made of charged particles instead.
  • What acids have in common — every acid frees the same charged particle.

One rule before every bench

Every bench here is a simulation. Nothing is heated, mixed, or tasted for real. Ethanol and ethanoic acid appear only as chemistry to study. Drinking alcohol harms the body.