Question

Which has greater bond angle- cf4 or ch4?

Answer 1

Both of them have same bond angles which is 109°28'.

The structure is Tetrahedral for both and hybridization is sp³ for both of them.

Answer 2

The bond angle of $CF_4$ and $CH_4$ is same.

Explanation:

• To find the bond angle for any compound, its steric number must be identified.
• Accordingly, the formula used to calculate the steric number is as follows:

S.N = Number of bonded pair of electron + Number of lone pair of electron

• In the case of $CF_4$, there are 4 pairs of bonded electrons whereas no lone pair. Thus its steric number is (4+0) 4.

• On the other hand, in $CH_4$, there are 4 pairs of bonded electrons whereas no lone pair. Thus its steric number is (4+0) 4.
• For steric value 4, the bond angle value is 109.5°C. As both $CF_4$ and $CH_4$ have the same steric number, they have the same bond angle.
• Thus it is inferred that both the compounds have the same bond angle.

Learn more about bond angle

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