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JEE Advanced 2020 Paper 2

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PART-II : CHEMISTRY

SECTION - 1

The answer to each question is a SINGLE DIGIT INTEGER ranging from 0 to 9, BOTH INCLUSIVE.

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Question : 19

Total: 54

The 1st,2nd, and the 3rd ionization enthalpies, l1,l2, and l3, of four atoms with atomic numbers n,n+ 1,n+2, and n+3, where n<10, are tabulated below. What is the value of n?

Atomicnumber	Ionization Enthalpy (kJ/mol)
Atomicnumber	l1	l2	l3
n	1681	3374	6050
n + 1	2081	3952	6122
n + 2	496	4562	6910
n + 3	738	1451	7733

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