Ratio of the Bohr radius of protium, deuterium and tritium atoms is:
A
1 : 2 : 3
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B
1 : 1 : 1
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C
3 : 2 : 1
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D
2 : 3 : 4
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Solution
The correct option is C 1 : 1 : 1 Bohr radius depends on the atomic number, not on the mass numbers. Therefore, all three will have the same Bohr radius. Hence, the ratio is 1:1:1.