There is an increase of bond length of the carbon- halogen bond from C

1.	There is an increase of bond length of the carbon- halogen bond from CH_3 F "to" CH_3 I because
Answer» the size of halogens increases from F to I. the size of the OVERLAPPING orbital increases fromF to I `sp^3` orbital of CARBON, penetrate in INCREASING extents into the halogens orbital. electronegativity increases from F to I SOLUTION :Bond length increases with increase in size of hydrogen atom

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