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ICSE Class 10 Chemistry 2015 Paper

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SECTION - II
Arrange the following as per the instructions given in the brackets :
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Question : 36 of 85
Marks: +1, -0
Cl,F,Br,I\mathrm{Cl}, \mathrm{F}, \mathrm{Br}, \mathrm{I} (increasing order of electron affinity)
Solution:  
I<Br<F<Cl\mathrm{I} < \mathrm{Br} < \mathrm{F} < \mathrm{Cl}
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