Question Paper
Class / Subject: Class 10 (ICSE) · Chemistry
Chapter: Chapter 12 — Chapter 12: Organic Chemistry
Time Allowed: 32 minutes
Max Marks: 16
1. What is catenation? [1]
(A) Carbon's ability to chain with itself
(B) Carbon's inability to bond
(C) A type of acid reaction
(D) A type of metal property
2. What is the general formula for alkanes? [1]
(A) CnH2n+2
(B) CnH2n
(C) CnH2n-2
(D) CnHn
3. What is the general formula for alkenes? [1]
(A) CnH2n
(B) CnH2n+2
(C) CnH2n-2
(D) CnHn
4. What is the general formula for alkynes? [1]
(A) CnH2n-2
(B) CnH2n
(C) CnH2n+2
(D) CnHn
5. What type of bond do alkanes only have? [1]
(A) Single bonds
(B) Double bonds
(C) Triple bonds
(D) No bonds
6. What does IUPAC nomenclature provide? [1]
(A) Systematic names for organic compounds
(B) Only common nicknames
(C) No naming system
(D) Random names
7. What defines a homologous series? [1]
(A) Same general formula, differ by CH2
(B) Completely different formulas
(C) No pattern at all
(D) Same molecular mass always
8. Why learn organic chemistry? [1]
(A) To understand carbon compounds and their diversity
(B) No reason
(C) It's not useful
(D) Only for tests
9. What is catenation? [1]
(A) Carbon's ability to chain with itself
(B) Carbon's inability to bond
(C) A type of acid reaction
(D) A type of metal property
10. What is the general formula for alkanes? [1]
(A) CnH2n+2
(B) CnH2n
(C) CnH2n-2
(D) CnHn
11. What is the general formula for alkenes? [1]
(A) CnH2n
(B) CnH2n+2
(C) CnH2n-2
(D) CnHn
12. What is the general formula for alkynes? [1]
(A) CnH2n-2
(B) CnH2n
(C) CnH2n+2
(D) CnHn
13. What type of bond do alkanes only have? [1]
(A) Single bonds
(B) Double bonds
(C) Triple bonds
(D) No bonds
14. What does IUPAC nomenclature provide? [1]
(A) Systematic names for organic compounds
(B) Only common nicknames
(C) No naming system
(D) Random names
15. What defines a homologous series? [1]
(A) Same general formula, differ by CH2
(B) Completely different formulas
(C) No pattern at all
(D) Same molecular mass always
16. Why learn organic chemistry? [1]
(A) To understand carbon compounds and their diversity
(B) No reason
(C) It's not useful
(D) Only for tests