Match the reaction mechanisms mentioned in List – I with their characteristics mentioned in List – I — AITS & Test Series Chemistry Question

Question

Match the reaction mechanisms mentioned in List – I with their characteristics mentioned in List – II. List - I: (I) S_N1 (II) S_N2 (III) E_1 (IV) E_2 List - II: (P) The reactivity order of alkyl halides is 1° > 2° > 3° (Q) The reactivity order of alkyl halides is 3° > 2° > 1° (R) Reaction intermediate(s) is/are formed (S) Rate decreases with increase in polarity of solvent (T) Reaction intermediate is carbene