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Match the column:
`{:(,"Column I", , "Column II"),((A)," Electron moving in "2^(nd)"obit in "He^(+)"ion electron is",(P),"Radius of orbit in which moving is 0.592Å" ),((B)," Electron moving in "3^(rd)" orbital in H-atom ",(Q)," Total energy of electron is "(-)13.6xx109eV""),((C),"Electron moving in "1^(st)" orbit in "Li^(+2)"ion ",(R)," Velocity of electron is "(2.188xx10^(6))/(3)m//sec""),((D)," Electron moving in "2^(nd)" orbit is "Be^(+3)"ion ",(S),"De-broglie wavelenght of electron"sqrt((150)/(13.6))Å""):}`

Text Solution

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The correct Answer is:
(A)S,(B)R,(C)Q,(D)P
(A)`lambda=sqrt((150)/(E))=sqrt((150)/(13.6))Å`
(B) `V_(3)=2.188xx10^(6)xx(z)/(r)=(2.188xx10^(6))/(3)m//s`
(C) T.E.=-`13.6(z_(2))/(n^(2))=-13.6xx9 eV`
(D) `r=0.529.(n^(2))/(z)=0.529xx(2^(2))/(4)=0.529`
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