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The set representing the correct order o...

The set representing the correct order of the first ionisation potential is

A

`K gt Nagt Li`

B

`Ge gt Si gt C`

C

`Be gt Mg gt Ca`

D

`B gt C gt N`

Text Solution

Verified by Experts

The correct Answer is:
C
In general, the ionization potential decrease on moving down the group due to increase in the number of shells:
`Be gt Mg gt Ca`
Other orders should be
`Li gt Na gt K`
`C gt Si gt Ge`
`N gt C gt B`
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Knowledge Check

  • The correct order of the first ionisation potentials is

    A
    `Ne gt Cl gt P gt S gt Al gt Mg `
    B
    `Ne gt Cl gt P gt S gt Mg gt Al `
    C
    `Ne gt Cl gt S = P gt Mg gt Al `
    D
    `Ne gt Cl lt S gt P lt Al gt Mg`

  • The set representing the correct order of first ionisation potential is

    A
    `K gt Na gt Li`
    B
    `Be gt Mg gt Ca`
    C
    `B gt C gt N`
    D
    `Ge gt Si gt C`

  • The set representing the correct order of first ionization potential is

    A
    K gt Na gt Li
    B
    Be gt Mg gt Ca
    C
    B gt C gt N
    D
    Ge gt Si gt C
    • R SHARMA-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN ELEMENTS-QUESTION BANK
    1. The set representing the correct order of the first ionisation potenti...

      Text Solution

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