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Arrange the Following in Increasing Order of Property Indicated - Chemistry

One Line Answer

Arrange the following in increasing order of property indicated
 I, I+, I- (atomic size)

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Solution

I+ < I < I-
Size of a cation is always smaller than the corresponding atom due to decrease in number of electrons and increase in effective nuclear charge i.e., greater force of attraction by the nucleus on the electrons.
 Size of an anion is always more than the corresponding atom due to decrease in effective nuclear charge i.e., lesser force of attraction by the nucleus o the electrons.

Concept: Atomic Size
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APPEARS IN

Frank ICSE Class 10 Chemistry Part 2
Chapter 1 Periodic Properties And Variation Of Properties: Physical And Chemical
Exercise | Q 5.4 | Page 17
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