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If hydrogen atom is in an energy level represented by n=4,how many spectral lines are possible in its emission spectrum?
Ans) There is a formula for this i.e
[ (n2-n1+1)(n2-n1) / 2 ] So if acc. to your question n1=1 and n2=4 then the answer is 6
what is the reason for kmno4 to exibhit pink colour
YES,LiAlH 4 be used to reduce nitro group to amino group in hydrogenation
How to get Energy vs Temperature curve from DSC data
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Description
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Which of the following is always a whole number : (1) Atomic weight (2) Atomic radii (3) Equivalent weight (4) Atomic number Ans: Atomic number
Alkali metals belong to S-block ? why?
decreasing order of +M.E. group
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