Identify correct reactivity order for $\mathrm{S}_{\mathrm{N}} 1$ reaction

Identify correct reactivity order for $\mathrm{S}_{\mathrm{N}} 1$ reaction

1. 
   (i) $>$ (ii) $>$ (iii)
2. 
   (ii) $>$ (iii) $>$ (i)
3. 
   (i) $>$ (iii) $>$ (ii)
4. 
   (ii) $>$ (i) $>$ (iii)

Asked in: BITSAT 2023 (Memory Based Paper 2)

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