ABC26PH1304 · Quantum Chemistry
Subject: Physical Chemistry · Chapter: Quantum Chemistry · Topic: Quantum Chemistry – General · Exam: NET JUNE 2016 · Marks: 2 · Difficulty: Medium
Which of these is not a suitable unnormalized wave function for the excited 1s 2s electron configuration of the helium atom ?
(a)$[1 \mathrm{s}(1) 2 \mathrm{s}(2)-2 \mathrm{s}(1) 1 \mathrm{s}(2)][\beta(1) \beta(2)]$
(b)$[1 \mathrm{s}(1) 2 \mathrm{s}(2)+2 \mathrm{s}(1) 1 \mathrm{s}(2)][\alpha(1) \beta(2)-\beta(1) \alpha(2)]$
(c)$[1 \mathrm{s}(1) 2 \mathrm{s}(2)-2 \mathrm{s}(1) 1 \mathrm{s}(2)][\alpha(1) \beta(2)+\beta(1) \alpha(2)]$
(d)$[1 \mathrm{s}(1) 2 \mathrm{s}(2)+2 \mathrm{s}(1) 1 \mathrm{s}(2)][\alpha(1) \beta(2)]$
Answer
Explanation
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