CBSE Class 11-science Answered
How to identify which of the following is Lewis acid. Please explain the method?
Asked by Azeem A | 30 Dec, 2013, 01:06: PM
Expert Answer
- Neutral boron has 3 electrons. All 3 electrons are involved in bonding with Cl atoms.
- There are a total of 3 outermost shell electrons of neutral boron atom + 3 electrons from 3 chlorine atoms = 6 electrons in the valence shell of Boron.
- This does not satisfy the octet rule.
- Boron is therefore electron-deficient.
- Hence it is able to accept a lone pair of electrons in order to attain a full octet. Therefore, BCl3 is a lewis acid.
Answered by Prachi Sawant | 02 Jan, 2014, 03:12: PM
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