1.

In a periodic table the basic character of oxides

Answer»

increases from LEFT to right and decreases from TOP to bottom
decreases from right to left and increase from top to bottom
decreases from left to right and increases from top to bottom
decreases from left to right and increases from bottom to top.

Solution :As the electronegativity of element increases, ACIDIC character of OXIDES increases. So, in a GROUP, basic nature increases on moving down and decreases along a period.


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