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Among CH3-Cl ,CH3-I which has shorter bond length. Give reason?

Among CH3-Cl ,CH3-I which has shorter bond length. Give reason?
 

Grade:12

2 Answers

Ahmad Raza Beg
26 Points
3 years ago
Bond length in CH3Cl is shorter than CH3I because Iodine is larger in size the Chlorine . Hence Iodine cannot come much close to the central Carbon atom due to steric hindrance. Therefore Bond length of        CH3Cl is smaller than CH3I.
Ankit Yadav
47 Points
2 years ago
Bond length of CH3Cl  will be shorter than the other one because of the very gaint size of iodine atom as compared to chlorine atom . 

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