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Which of the foll is not a Lewis acid ..... a) BF3b)AlCl3 c)FeCl3d)PH3 |
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Answer» Answer: d)PH3 is a base not a lewis acid! . CHEERS!explain...for BF3.. A Lewis acid can accept a pair of electrons from a Lewis base. The BORON in BF3 is ELECTRON poor and has an empty ORBITAL, so it can accept a pair of electrons, MAKING it a Lewis acid. A Lewis acid is defined as an electron-pair acceptor. So for something to act as a Lewis acid, it NEEDS to want electrons. |
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