1.The reactivity order of halogens during halogenation of alkane decreases in the order —a.F2>Cl2>Br2>I2\mathrm{F_2 > Cl_2 > Br_2 > I_2}F2>Cl2>Br2>I2b.I2>Br2>Cl2>F2\mathrm{I_2 > Br_2 > Cl_2 > F_2}I2>Br2>Cl2>F2c.F2>Cl2>I2>Br2\mathrm{F_2 > Cl_2 > I_2 > Br_2}F2>Cl2>I2>Br2d.Cl2>F2>Br2>I2\mathrm{Cl_2 > F_2 > Br_2 > I_2}Cl2>F2>Br2>I2Login to continueOnly logged in users canattempt or see the solution.