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NEET2015ChemistryGeneral Organic ChemistryActual

For carbanion Stability order will be

Options

  1. AP Q S R
  2. BP R Q S
  3. CQ R S R
  4. DS R Q P

Correct answer

B. P R Q S

Step-by-step solution

As -M and -I -effect increase, stability of carbanion increases. -M -effect is possible only at ortho and para-position and -I -effect is more pronounced at ortho position. Hence, correct order of stability is

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