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

(a) $N a_{2} O, M g O, A l_{2} O_{3}, C u O$
$M g O, A l_{2} O_{3}, C u O, N a_{2} O$
(c) $A l_{2} O_{3}, M g O, C u O, N a_{2} O$
$C u O, N a_{2} O, M g O, A l_{2} O_{3}$

The correct answer is: (a) $N a subscript 2 end subscript O comma M g O comma A l subscript 2 end subscript O subscript 3 end subscript comma C u O$

$N a subscript 2 end subscript O comma M g O comma A l subscript 2 end subscript O subscript 3 end subscript comma C u O$ . More the metallic character higher the $e to the power of minus end exponent$ donating tendency. Therefore lower the I.E. more the basic nature of oxide.

If the valency shell electronic structure for an element is $n s to the power of 2 end exponent n p to the power of 5 end exponent$ , this element will belong to the group of

Chemistry-General

General

Chemistry-

The attraction that an atom exerts on a pair of electrons that are being shared between that atom and another atom to which it is bonded by a covalent bond is referred to as its

Chemistry-General

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

(a) (c)

The correct answer is: (a)

. More the metallic character higher the donating tendency. Therefore lower the I.E. more the basic nature of oxide.

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(a) $N a_{2} O, M g O, A l_{2} O_{3}, C u O$
$M g O, A l_{2} O_{3}, C u O, N a_{2} O$
(c) $A l_{2} O_{3}, M g O, C u O, N a_{2} O$
$C u O, N a_{2} O, M g O, A l_{2} O_{3}$

The correct answer is: (a) $N a subscript 2 end subscript O comma M g O comma A l subscript 2 end subscript O subscript 3 end subscript comma C u O$

$N a subscript 2 end subscript O comma M g O comma A l subscript 2 end subscript O subscript 3 end subscript comma C u O$ . More the metallic character higher the $e to the power of minus end exponent$ donating tendency. Therefore lower the I.E. more the basic nature of oxide.

If the valency shell electronic structure for an element is $n s to the power of 2 end exponent n p to the power of 5 end exponent$ , this element will belong to the group of

If the valency shell electronic structure for an element is $n s to the power of 2 end exponent n p to the power of 5 end exponent$ , this element will belong to the group of

In $C comma N comma O$ and $F$ the electronegativity

In $C comma N comma O$ and $F$ the electronegativity