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Which of the following electron transition in a hydrogen atom will require the largest amount of:
(1) From n-1 to n=2
(2) From n= 2 to n=3
(3) From n= ∞ to n=1
(4) From n=3 to n= 5
Ans: From n-1 to n=2
C
Most of the transition metal do not displace hydrogen from dilut acid. why? Ans) The activity series of transition metals is less than that of hydrogen so they can not displace h
explanition
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