The increasing order of stability of the following free radicals is:
- A$(C_6H_5)_2 \dot{C}H < (C_6H_5)_3 \dot{C} < (CH_3)_3 \dot{C} < (CH_3)_2 \dot{C}H$
- B$(CH_3)_2 \dot{C}H < (CH_3)_3 \dot{C} < (C_6H_5)_2 \dot{C}H < (C_6H_5)_3 \dot{C}$
- C$(CH_3)_2 \dot{C}H < (CH_3)_3 \dot{C} < (C_6H_5)_3 \dot{C} < (C_6H_5)_2 \dot{C}H$
- D$(C_6H_5)_3 \dot{C} < (C_6H_5)_2 \dot{C}H < (CH_3)_3 \dot{C} < (CH_3)_2 \dot{C}H$
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