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Hydrocarbons Explained | Class 9 | Notes, Video, MCQs | SM-Educate

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🫧 Hydrocarbons Explained

Class IX | Organic Basics | Beginners

📝 Notes

What are Hydrocarbons?
Hydrocarbons are compounds made of Carbon and Hydrogen only.
Types:
Alkanes: CₙH₂ₙ₊₂ (Single bonds)
Alkenes: CₙH₂ₙ (Double bonds)
Alkynes: CₙH₂ₙ₋₂ (Triple bonds)

📝 Practice MCQs

Q1. Hydrocarbons contain which elements?
A) C and O   B) C and H   C) H and O   D) C and N

Answer: B) Carbon and Hydrogen
Q2. Which is an alkane?
A) C₂H₄ B) C₂H₂ C) C₂H₆ D) C₃H₆

Answer: C₂H₆ (Ethane)
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