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November 01, 2025, 01:08:48 pm
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Author Topic: Polar  (Read 514 times)  Share 

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cltf

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Polar
« on: June 07, 2010, 08:58:35 pm »
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why is CO2 linear and non-polar and H2S polar and v-shaped?
also what is another non-polar linear compound?
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m@tty

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Re: Polar
« Reply #1 on: June 07, 2010, 09:03:55 pm »
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In CO2 there are two double bonds, they try and get as far as possible from each other, so you get a linear molecule. It's non-polar as it is symmetrical.

H2S has four separate electron groups; two single bonds and two lone pairs. These form a tetrahedral shape. The two bonds form a v.

Um, CS2 (if it exists... I think it should) would have the same shape.
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Toothpaste

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Re: Polar
« Reply #2 on: June 07, 2010, 09:12:12 pm »
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O=C=O      The oxygens "cancel each other out".
-   +   -
     

     H      +   
   /   \         
S       S   -
« Last Edit: June 07, 2010, 09:18:15 pm by Toothpaste »
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