Observe the I.P.1 I.P.2, IP.3 and I.P.4 respectively for element A, B, C and D. Identify which element is expected to belong to IIA group (all values are in kJ/mole)
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a
786, 1577, 3231, 4355
b
737, 4500, 7320, 9400
c
695, 2456, 26912, 29544
d
800, 2427, 3659, 25025
answer is C.
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Detailed Solution
3rd IP is very large Group number = large IP number - 1