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The first ionisation potential of calciu...

The first ionisation potential of calcium is greatyer than that of potassium because for calcium

A

the effective nuclear charge is higher

B

the electron is removed from s-subshell

C

the electron is removed from a circular subshell

D

the removal of electron does not give noble gas configuration.

Text Solution

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The correct Answer is:
A

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Knowledge Check

  • The first ionisation enthalpy of calcium is greater than that of potassium because for calcium

    A
    the clectron is removed from s-subshell
    B
    the effective nuclear charge is higher
    C
    the electron is removed from a p-subshell
    D
    the removal of electron does not give noble gas configuration.
  • The first ionisation potential of aluminium is smaller than that of magnesium because

    A
    Atomic size of `Al gt` Atomic size of Mg
    B
    Atomic size of `Al lt ` Atomic size of Mg
    C
    Al has one electron in p- orbital
    D
    None of these
  • The first ionisation potential is maximum for

    A
    V
    B
    Ti
    C
    Cr
    D
    Mn
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