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Consider the following ionization energi...

Consider the following ionization energies for a metal M
`M_((g)) to M_((g))^(+)+e^(-) , DeltaH`=+580 kJ/mole
`M_((g))^(+) to M_((g))^(2+) + e^(-), DeltaH` =+1815 kJ/mole
`M_((g))^(2+) to M_((g))^(3+) + e^(-) , DeltaH`=+2740 kJ/mole
`M_((g))^(3+) + M_((g))^(4+) + e^(-) , DeltaH`= + 11600 kJ/mole
Total no. of electron(s) in outermost shell of metal M are:

A

2

B

3

C

4

D

1

Text Solution

Verified by Experts

The correct Answer is:
B
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Knowledge Check

  • Consider the following ionization energies for a metal M M_((g)) to M_((g))^(+)+e^(-) , DeltaH =+580 kJ/mole M_((g))^(+) to M_((g))^(2+) + e^(-), DeltaH =+1815 kJ/mole M_((g))^(2+) to M_((g))^(3+) + e^(-) , DeltaH =+2740 kJ/mole M_((g))^(3+) + M_((g))^(4+) + e^(-) , DeltaH = + 11600 kJ/mole Select correct order.

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    B
    `M_((g))^(4+) lt M_((g))^(3+)` (ionization energy )
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    `M_((g)) lt M_((g))^(+)` (electron affinity)
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    `M_((g))^(3+) lt M_((g))^(2+)` (Z/e ratio)
  • Consider the following ionization energies for a metal M M_((g)) to M_((g))^(+)+e^(-) , DeltaH =+580 kJ/mole M_((g))^(+) to M_((g))^(2+) + e^(-), DeltaH =+1815 kJ/mole M_((g))^(2+) to M_((g))^(3+) + e^(-) , DeltaH =+2740 kJ/mole M_((g))^(3+) + M_((g))^(4+) + e^(-) , DeltaH = + 11600 kJ/mole Which one of the four ions has largest electron affinity?

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    B
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    C
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    D
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