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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 electro negativity is

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a

X > Y > Z

b

Z > Y > X

c

Y > X > Z

d

X > Z > Y

answer is C.

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Detailed Solution

  Electronegativity ∝ non-metallic character.

As the element x forms acidic oxide so it is a non-metal and element forms basic oxide so it is a metal. Thus, the order of electronegativity X>Z>Y.

Hence,  correct option is (C).


 

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The elements 'X', 'Y' and 'Z' form oxides whichare acidic, basic and amphoteric respectively.The correct order of their electro negativity is