Q. The increasing order of stability of the following free radicals is:

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A

$(C H_{3})_{2} \dot{C} H < (C H_{3})_{3} \dot{C} < (C_{6} H_{5})_{2} \dot{C} H < (C_{6} H_{5})_{3} \dot{C}$

B

$(C_{6} H_{5})_{3} \dot{C} < (C_{6} H_{5})_{2} \dot{C} H < (C H_{3})_{3} \dot{C} < (C H_{3})_{2} \dot{C} H$

C

$(C_{6} H_{5})_{2} \dot{C} H < (C_{6} H_{5})_{3} \dot{C} < (C H_{3})_{3} \dot{C} < (C H_{3})_{2} \dot{C} H$

D

$(C H_{3})_{2} \dot{C} H < (C H_{3})_{3} \dot{C} < (C_{6} H_{5})_{3} \dot{C} < (C_{6} H_{5})_{2} \dot{C} H$

Solution:

Free radicals stability :

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