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  4. The elements X,Y and Z form oxides which are acidic, basic and amphoteric respectively. The correct order of their electronegativity is

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Q. The elements X,Y and Z form oxides which are acidic, basic and amphoteric respectively. The correct order of their electronegativity is

EAMCETEAMCET 2008Classification of Elements and Periodicity in Properties

Solution:

Electronegativity $ \propto $ non-metallic character $ \propto \frac{\text{1}}{\text{metallic}\,\text{character}} $ $ \because $ The element (X) form acidic oxide, so it is a non-metal, while the element (Y) form basic oxide, so (V) is a metal. Thus, the order of their electronesativity is $ X>Z>Y $