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A few arrangements are given as I. He ...

A few arrangements are given as
`I. He lt Ne lt Ar`
`II. Li lt C lt O lt F`
`III. Cl lt P lt Mg lt Na`
`IV. Li lt N lt Cl lt F`
Now, read the given passage and fill in the blanks by selecting an appropriate option.
In arrangement I, elements are arranged in increasing order of ___(ii)__in II, elements are arranged in increasing order of , in III, elements are arranged in increasing order of __(iii)__ while in arrangement IV, elements are arranged in increasing order of __(iv)__.

Text Solution

Verified by Experts

The correct Answer is:
D

III : `Cl lt P lt Mg lt Na` (Atomic size decreases on moving from left to right in Modern Periodic Table.)
IV : `Li lt N lt Cl lt F`(Electronegativity increases on moving from left to right and decreases down the group in Periodic Table)
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