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NEETChemistryHaloalkanes and Haloarenes

The mechanism of Sn1 reaction is given as: R - X ⟶ R ⊕ X ⊖ ⟶ R ⊕ ‖ X ⊖ ⟶ Y ⊖ R - Y + X ⊖ lon pair Solvent Speparated ion pair A student writes general characteristics based on the given mechanism as : (a) The reaction is favoured by weak nucleophiles. (b) R ⊕ would be easily formed if the substituents are bulky y (c) The reaction is accompanied by recemization (d) The reaction is favoured by non-polar solvents. Which

Options

  1. A(a) and (b)
  2. B(a) and (c)
  3. C(a), (b) and (c)
  4. D(b) and (d)

Correct answer

C. (a), (b) and (c)

Step-by-step solution

Above reaction is S N 1 reaction as it proceed via formation of carbocation. Polar protic solvent is more suitable for S N 1 and recemisation takes place.

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