Problem: Which of the following triatomic ions would you expect to be linear and which would you expect to be V shaped? For those V shaped, suggest approximate bond angles. (a) BrF2+ ; (b) BrF2- ; (c) CN22-.

FREE Expert Solution

We are being asked about the molecular geometry of the given compounds, particularly if any of them are linear and/or V-shaped. We are also asked to suggest an approximation of the bond angle for the V-shaped molecule. Aside from these shapes, other possible molecular shapes are:



To do so, we first need to draw a Lewis structure


For this, we need to do the following steps:

Step 1: Determine the central atom in this molecule.

Step 2: Calculate the total number of valence electrons present.

Step 3: Draw the Lewis structure for the molecule.

Step 4: Determine the shape of the molecule.


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Problem Details

Which of the following triatomic ions would you expect to be linear and which would you expect to be V shaped? For those V shaped, suggest approximate bond angles. 

(a) BrF2+

(b) BrF2-

(c) CN22-.

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Bond Angles concept. You can view video lessons to learn Bond Angles. Or if you need more Bond Angles practice, you can also practice Bond Angles practice problems.

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