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Question

How much energy is required to excite an electron from n1=1 to n2=2 in a hydrogen atom? [Given : IE of hydrogen atom is 1.312×106J(mol)]

A
3.28×105 J mol1
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B
9.84×105 J mol1
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C
7.56×105 J mol1
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D
5.56×105 J mol1
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