The order in which the following oxides are arranged according to… - Vidyadip

MCQ

The order in which the following oxides are arranged according to decreasing basic nature is

✓
$N{a_2}O,\,MgO,\,A{l_2}{O_3},\,CuO$
B
$MgO,\,A{l_2}{O_3},\,CuO,\,N{a_2}O$
C
$A{l_2}{O_3},\,MgO,\,CuO,\,N{a_2}O$
D
$CuO,\,N{a_2}O,\,MgO,\,A{l_2}{O_3}$

✓

Answer

Correct option: A.

$N{a_2}O,\,MgO,\,A{l_2}{O_3},\,CuO$

a
(a) $N{a_2}O,\,\,MgO,\,\,A{l_2}{O_3},\,\,CuO$. More the metallic character higher the ${e^ - }$ donating tendency.

Therefore lower the $I.E.$ more the basic nature of oxide.

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