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Classification of Elements Part 1

Section: Chemistry

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Question : 77

Total: 100

Consider the following ionization enthalpies of two elements ‘A’ and ‘B’ Which of the following statements is correct ?

Element	Ionization enthalpy (kJ/mol)
	1st	2nd	3rd
A	899	1757	14847
B	737	1450	7731

[Main 8 April 2017]

Both ‘A’ and ‘B’ belong to group-1 where ‘B’ comes below ‘A’.
Both ‘A’ and ‘B’ belong to group-1 where ‘A’ comes below ‘B’.
Both ‘A’ and ‘B’ belong to group-2 where ‘B’ comes below ‘A’.
Both ‘A’ and ‘B’ belong to group-2 where ‘A’ comes below ‘B’.

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