Statement I : The energy of ‘K’ electron of hydrogen is greater than that of Li2+Statement II : The Effective nuclear charge of Li+2 is greater than that of hydrogen atom.
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a
Both Statement I and Statement II are true
b
Statement I is true and Statement II is false
c
Statement I is false and Statement II is true
d
Both Statement I and Statement II are false
answer is A.
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Detailed Solution
K electron is the electron in first shellStatement I : E1 of H-atom =-1212E1= - E1E1 of Li+2 =-3212E1= -9 E1E1 of H-atom > E1 of Li+2Statement II : Nuclear charge in Li+2 ion greater than nuclear charge in H-atom
Statement I : The energy of ‘K’ electron of hydrogen is greater than that of Li2+Statement II : The Effective nuclear charge of Li+2 is greater than that of hydrogen atom.