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1g of Mg atoms absorbs 50kj of energy in the vapour phase find the composition of Mg+and Mg+2 formed as a result of absorption of energy if IE1and IE2 of Mg are740 and 1450kj Per mole

1g of Mg atoms absorbs 50kj of energy in the vapour phase find the composition of Mg+and Mg+2 formed as a result of absorption of energy if IE1and IE2 of Mg are740 and 1450kj Per mole

Grade:11

1 Answers

Vikas TU
14149 Points
5 years ago
Mg         –---------->         Mg+       +       e-     I.E1 = 740 KJ/mol
1/24 moles                   1/24 moles
 
Mg+      ------------->      Mg2+           +  e-         I.E2 =1450 KJ/mol
1/24 moles                1/24 moles
and I.E for Mg
would be
I.E1 + I.E2 = 1450 + 740 = 2190 KJ.

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