AIIMS 2016 Chemistry Question Paper for free online practice with solutions

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Question : 23 of 60
 
Marks: +1, -0
Which of the following reactions does not take place?
BF3+F−→BF4.−.....(I)
BF3+3F−→BF6.3−....(II)
AlF3+3F−→AlF6.3−....(III)
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