Among the halides, the order of decreasing lewis acid character is: 1. BCl3, 2. AlCl3, 3. GaCl3, 4. InCl3
A
1, 2, 3, 4
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B
4, 3, 2, 1
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C
3, 4, 2, 1
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D
2, 3, 4, 1
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Solution
The correct option is A 1, 2, 3, 4 Among the halides. 1. BCl3, 2. AlCl3, 3. GaCl3, 4. InCl3 The order of decreasing Lewis acid character is 1. BCl3, 2. AlCl3, 3. GaCl3, 4. InCl3. On moving down the boron family, the lewis acid character decreases.