Order of stability of given carbocations, or the most stable one

1. A.
   i $>$ iii $>$ ii $>$ iv
2. B.
   ii $>$ iii $>$ i $>$ iv
3. C.
   iii $>$ ii $>$ i $>$ iv
4. D.
   iv $>$ ii $>$ iii $>$ i

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1. A.
2. B.
3. C.
4. D.

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1. A.
2. B.
3. C.
4. D.

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1. A.
   A, C, B, D
2. B.
   C, A, B, D
3. C.
   C, A, D, B
4. D.
   A, C, D, B

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1. A.
   $\left(CH_{3}\right)_{3}C^{+} > CH_{3}-\overset{+}{C}H_{2} > \left(CH_{3}\right)_{2}\overset{+}{C}H > \overset{+}{C}H_{3}$
2. B.
   $\overset{+}{C}H_{3} > \left(CH_{3}\right)_{2}\overset{+}{C}H > CH_{3}-\overset{+}{C}H_{2} > \left(CH_{3}\right)_{3}\overset{+}{C}$
3. C.
   $\left(CH_{3}\right)_{3}\overset{+}{C} > \left(CH_{3}\right)_{2}\overset{+}{C}H > CH_{3}-\overset{+}{C}H_{2} > \overset{+}{C}H_{3}$
4. D.
   $\overset{+}{C}H_{3} > CH_{3}-\overset{+}{C}H_{2} > \left(CH_{3}\right)_{2}\overset{+}{C}H > \left(CH_{3}\right)_{3}\overset{+}{C}$

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1. A.
2. B.
3. C.
4. D.

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1. A.
   $\mathrm{\overset{+}{C}H_{2}-CH=CH-CH_{3}}$
2. B.
3. C.
4. D.

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1. A.
   A $>$ B $>$ C $>$ D
2. B.
   B $>$ C $>$ A $>$ D
3. C.
   C $>$ B $>$ A $>$ D
4. D.
   C $>$ A $>$ B $>$ D

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