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The correct stability order of carbocations is [JEE Main 2024, 30 Jan (Shift 2)]

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The correct stability order of carbocations is

[JEE Main 2024, 30 Jan (Shift 2)]

a

\({({\mathrm{CH}}_{3})}_{3}\overset{+}{\mathrm{C}}>{\mathrm{CH}}_{3}-\overset{+}{\mathrm{C}}{\mathrm{H}}_{2}>{({\mathrm{CH}}_{3})}_{2}\overset{+}{\mathrm{C}}\mathrm{H}>\overset{+}{\mathrm{C}}{\mathrm{H}}_{3}\)

b

\(\overset{+}{\mathrm{C}}{\mathrm{H}}_{3}>{\mathrm{CH}}_{3}-\overset{+}{\mathrm{C}}{\mathrm{H}}_{2}>{\mathrm{CH}}_{3}-\overset{+}{\mathrm{C}}\mathrm{H}>{\left({\mathrm{CH}}_{3}\right)}_{3}{\mathrm{C}}^{+}\\ |\\ {\mathrm{CH}}_{3}\)

c

\({({\mathrm{CH}}_{3})}_{3}\overset{+}{\mathrm{C}}>{({\mathrm{CH}}_{3})}_{2}\overset{+}{\mathrm{C}}\mathrm{H}>{\mathrm{CH}}_{3}-\overset{+}{\mathrm{C}}{\mathrm{H}}_{2}>\overset{+}{\mathrm{C}}{\mathrm{H}}_{3}\)

d

\(\overset{+}{\mathrm{C}}{\mathrm{H}}_{3}>{({\mathrm{CH}}_{3})}_{2}\overset{+}{\mathrm{C}}\mathrm{H}>{\mathrm{CH}}_{3}-\overset{+}{\mathrm{C}}{\mathrm{H}}_{2}>{\left({\mathrm{CH}}_{3}\right)}_{3}{\mathrm{C}}^{+}\)

✓ Correct answer: c)

\({({\mathrm{CH}}_{3})}_{3}\overset{+}{\mathrm{C}}>{({\mathrm{CH}}_{3})}_{2}\overset{+}{\mathrm{C}}\mathrm{H}>{\mathrm{CH}}_{3}-\overset{+}{\mathrm{C}}{\mathrm{H}}_{2}>\overset{+}{\mathrm{C}}{\mathrm{H}}_{3}\)

Explanation

More no. of hyperconjugable Hydrogens, more stable is the carbocation.

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