Assertion : Primitive atmosphere was for...

Assertion : Primitive atmosphere was formed by the lightest atoms.
Reason : The primitive atmosphere was reducing in nature.

Both Assertion and Reason are true and Reason is the correct explanation of Assertion

Both Assertion and Reason are true, but Reason is not the correct explanation of Assertion

Assertion is true, but Reason is false

Assertion is false, but Reason is true

Verified by Experts

The correct Answer is:

(b) Primitive atmosphere was reducing and consists of lightest atomes.

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Primitive atmoshpere was reducing because:

Hydrogen atoms were few

Hydrogen, atoms were active and in greater number

Nitrogen atom were more

Oxygen atoms were more

`CH_(4), NH_(3), H_(2), H_(2)O`

`CH_(4), NH_(3), CO_(2), H_(2)O`

`CH_(4), H_(2)O, CO_(2)`

`CH_(2), O_(2), CO_(2)`

`O_(2)` and `CO_(2)`

`O_(2), CO_(2), CH_(4),` water vapour

`CH_(24), NH_(4), H_(2),` water vapour

`CH_(4), NH_(4), CO_(2),` water vapour