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In Bohr series of lines of hydrogen spectrum, the third line from the red end corresponds to which one of the following inter-orbit jumps of the electron for Bohr orbits in an atom of hydrogen :
(1) 3 → 2
(2) 5 → 2
(3) 4 → 1
(4) 2 → 5
Ans: 3 → 2
preparation of hydrogen and hydrogen compounds
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how yield of ether is highest when the halide ion is displased from a primary rather than secondary or tertiary halide?
all
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