Consider the following ionization enthalpies of two elements 'A' and 'B'. Element Ionization enthalpy (kJ/mol) 1^(s)t 2ⁿd 3^(r)d A 899 1757 14847 B 737 1450 7731 Which of the following statements is correct ?

(C) Both ‘A’ and ‘B’ belong to group-2 where ‘B’ comes below ‘A’.

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

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

(D) Both ‘A’ and ‘B’ belong to group-2 where ‘A’ comes below ‘B’.

Classification of Elements and Periodicity in Properties: JEE Main 2017 Chemistry question

JEE Main 2017 · 8 Apr, Morning shift · Q1597

JEE Main 20178 Apr, Morning shiftChemistryHardClassification of Elements and Periodicity in Properties127× since 2002

Consider the following ionization enthalpies of two elements 'A' and 'B' . .tg {border-collapse:collapse;border-spacing:0;} .tg td{font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:black;} .tg th{font-family:Arial, sans-serif;font-size:14px;font-weight:normal;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:black;} .tg .tg-p7ly{font-weight:bold;font-size:20px;text-align:center} .tg .tg-4kyz{font-size:20px;text-align:center} Element Ionization enthalpy (kJ/mol) 1^st 2^nd 3^rd A 899 1757 14847 B 737 1450 7731 Which of the following statements is correct ?

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