$${({C_6}{H_5})_2}\mathop C\limits^ \bullet H$$ < $${({C_6}{H_5})_3}\mathop C\limits^ \bullet$$ < $${(C{H_3})_3}\mathop C\limits^ \bullet $$ < $${(C{H_3})_2}\mathop C\limits^ \bullet H$$

$${(C{H_3})_2}\mathop C\limits^ \bullet H$$ < $${(C{H_3})_3}\mathop C\limits^ \bullet $$ < $${({C_6}{H_5})_2}\mathop C\limits^ \bullet H$$ < $${({C_6}{H_5})_3}\mathop C\limits^ \bullet$$

$${(C{H_3})_2}\mathop C\limits^ \bullet H$$ < $${(C{H_3})_3}\mathop C\limits^ \bullet $$ < $${({C_6}{H_5})_3}\mathop C\limits^ \bullet$$ < $${({C_6}{H_5})_2}\mathop C\limits^ \bullet H$$

$${({C_6}{H_5})_3}\mathop C\limits^ \bullet$$ < $${({C_6}{H_5})_2}\mathop C\limits^ \bullet H$$ < $${(C{H_3})_3}\mathop C\limits^ \bullet $$ < $${(C{H_3})_2}\mathop C\limits^ \bullet H$$

$$3$$-bromo - $$1$$-chlorocyclohexene

$$1$$-bromo - $$3$$-chlorocyclohexene

$$2$$-bromo - $$6$$-chlorocyclohex - $$1$$ -ene

$$6$$-bromo - $$2$$ - chlorocyclohexene

$$\left( C \right),\left( B \right),\left( A \right),\left( D \right)$$

$$\left( B \right),\left( C \right),\left( A \right),\left( D \right)$$

$$\left( D \right),\left( C \right),\left( B \right),\left( A \right)$$

$$\left( A \right),\left( B \right),\left( C \right),\left( D \right)$$

Chemically reactive

Chemically inactive

Anions

Cations