A) 9hcR
B) 6hcR
C) 2hcR
D) hcR
Correct Answer: A
Solution :
lonization energy \[=Rch{{Z}^{2}}\]\[Z=3\]for \[{{L}^{2+}}\] \[\therefore \]lonization energy \[={{\text{3}}^{2}}Rch=9Rch\]
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