Problem: Consider the following molecule:SCl6Are the bonds polar or non-polar?polarnon-polarIs the molecule polar or non-polar?polarnon-polar

FREE Expert Solution

SCl6

Step 1: Sulfur (EN = 2.5) is less electronegative than chlorine (EN = 3) so sulfur is the central atom. 


Step 2: The total number of valence electrons present in SCl6 is:


            Group             Valence Electrons

S         6A                   1 × 6 e– = 6 e–

Cl        7A                   6 × 7 e– = 42 e–

Total:  48 valence e–


Step 3: Sulfur follows an expanded octet to form 6 bonds while halogens, when not the central atom, form only 1 bond. The Lewis structure is:



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Problem Details

Consider the following molecule:

SCl6

Are the bonds polar or non-polar?

polar

non-polar

Is the molecule polar or non-polar?

polar

non-polar

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