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ICSE Class 10 Chemistry Question 3 of 23

Model Paper 3 — Question 5

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5
Question

Question 1(v)

Assertion (A): Addition reaction is a characteristic property of alkenes

Reason (R): Alkenes are double bond compounds.

  1. Both A and R are true and R is the correct explanation of A.
  2. Both A and R are true but R is not the correct explanation of A.
  3. A is true but R is false.
  4. A is false but R is true.
Answer

Both A and R are true and R is the correct explanation of A.

Reason — Alkenes undergo addition reactions due to the presence of a reactive double bond (C=C). Hence, the assertion (A) is true. Alkenes are compounds with at least one carbon-carbon double bond. Addition reaction in alkenes is due to the presence of double bond. Hence, the reason (R) is true and it is the correct explanation of (A).

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