In a period, the first ionisation enthalpy of the element at extreme left and the negative electron gain enthalpy of the extreme right element, except noble gases, are respectively.
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Classification of Element question bank (Chemistry)
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Q1.
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Q2.
Given below are two statements:
Statement I: The correct order of electronegativity of fluorine, oxygen and nitrogen is $F \gt O \gt N$.
Statement II: The oxidation state of oxygen in OF$_2$ is $+2$ and in Na$_2$O is $-2$.
In the light of the above statements, choose the correct answer from the options given below
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