Q68 / 180 · NEET 2013 (Karnataka) · Chemistry

Arrange the following in increasing order of stability: (A) \(\left(\mathrm{CH}_3\right)_2 \stackrel{\oplus}{\mathrm{C}}-\mathrm{CH}_2 \mathrm{CH}_3\) (B) \(\left(\mathrm{CH}_3\right)_3-\stackrel{\oplus}{\mathrm{C}}\) (C) \(\left(\mathrm{CH}_3\right)_2-\stackrel{\oplus}{\mathrm{C}} \mathrm{H}\) (D) \(\mathrm{CH}_3-\stackrel{\oplus}{\mathrm{C}} \mathrm{H}_2\) (E) \(\stackrel{\oplus}{\mathrm{C}} \mathrm{H}_3\)

  • Correct answer
    A
    A < E < D < C < B
  • B
    E < D < C < B < A
  • C
    D < E < C < A < B
  • D
    E < D < C < A < B

Solution

The stability of carbocations increase if the number of EDG (alkyl group) is more

Hence, the correct answer is option: 'A'.

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