Chemistry-
General
Easy
Question
Assertion:First ionization energy for nitrogen is lower than oxygen.
Reason :Across a period effective nuclear charge decreases.
- If both assertion and reason are true and the reason is the correct explanation of the assertion.
- If both assertion and reason are true but reason is not the correct explanation of the assertion.
- If assertion is true but reason is false.
- If the assertion and reason both are false.
The correct answer is: If both assertion and reason are true but reason is not the correct explanation of the assertion.
First ionization energy for nitrogen is lower than oxygen due to decrease nuclear charge in nitrogen comparison than oxygen.
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Assertion :Outermost electronic configuration of most electropositive elements is ns2 np3.
Reason :ns2 np3 is stable due to half filled subshell.
Assertion :Outermost electronic configuration of most electropositive elements is ns2 np3.
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Chemistry-General
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Chemistry-General
