Which of the following statement is correct ?

see full answer

Your Exam Success, Personally Taken Care Of

1:1 expert mentors customize learning to your strength and weaknesses – so you score higher in school , IIT JEE and NEET entrance exams.

An Intiative by Sri Chaitanya

C-F bond is stronger than Si-F bond because C-F bond length is shorter than that Si-F

C-F bond is weaker than Si-F bond because of less difference in electro negativity

Si-F bond is stronger than C-F bond because of double bond character due to back bonding from F to Si

Si-F bond is stronger than C-F bond due to more different in electronegative

answer is C.

(Unlock A.I Detailed Solution for FREE)

Best Courses for You

JEE

NEET

Foundation JEE

Foundation NEET

CBSE

Detailed Solution

∴In CF4 No formation of back π-bondsIn SiF4, due to the availability of empty d-ortials it involes in back π bonding formation with fluorine lonepair electrons and hence the Si-F bond aquires double bond character.∴Si-F bond is Strong where as in case of CF4 C-F bond, do not aquires double bond character due to lack of empty d-ortials in the valency shell of carbon.therefore C-F bond is always single bond.

Watch 3-min video & get full concept clarity