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The reactivity orders of alkyl halides for dehydrohalogenation reaction are given below: (P) (Q)…

Chemistry20261 markMCQ
The reactivity orders of alkyl halides for dehydrohalogenation reaction are given below: (P) $\text{R-I} > \text{R-Br}$ (Q) $\text{R-Cl} > \text{R-F}$ (R) $\text{R-I} < \text{R-Br}$ (S) $\text{R-Cl} < \text{R-F}$ Which one of the following combinations represents the correct order for dehydrohalogenation reaction?
  • (a)Only (P) and (Q)
  • (b)Only (P) and (S)
  • (c)Only (Q) and (R)
  • (d)Only (Q) and (S)

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Haloalkanes and Haloarenes

From ISC 2026 Improvement Chemistry Paper 1, question 1(B)(iii).