Home
Class 11
CHEMISTRY
Which of the following has the lowest io...

Which of the following has the lowest ionization enthalpy?

A

Oxygen

B

Nitrogen

C

Fluorine

D

Sulphur

Text Solution

Verified by Experts

The correct Answer is:
D
In general, `Delta_(i)H_(1)` increases across the period (left to right) on account of the increase of effective nuclear charge while decreases on moving down the group on account of the increases in the number of shells. `O, N` and `F` are elements of teh `2nd` period while `S`(which comes below `O`)is an element of the `3rd` period. Thus, correct order of the increase of `Delta_(i)H_(1)` is
`F(1680 kJ mol^(-1))gt N (1402) gt O(1314) gt S(1000)`
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • CLASSIFICATION OF ELEMENTS AND PERIODICITY IN ELEMENTS

    R SHARMA|Exercise Level -IV|1 Videos

  • CHEMICAL BONDING

    R SHARMA|Exercise Archives|73 Videos

  • EQUILIBRIUM

    R SHARMA|Exercise ARCHIVES|69 Videos

Similar Questions

Explore conceptually related problems

Which of the following has the lowest density?

Which of the following has highest ionization energy

Knowledge Check

  • Which of the following has the lowest first ionization thalpy?

    A
    Ca
    B
    Sr
    C
    Ba
    D
    Ra

  • Whicn one fo the following has the lowest ionisation enthalpy ?

    A
    `1s ^(2) 2s ^(2) 2p ^(6)`
    B
    `1s ^(2) 2s ^(2) 2p ^(6) 3s ^(1)`
    C
    `1s (2) 2s ^(2) 2p ^(5)`
    D
    `1s ^(2) 2s ^(2) 2p ^(3)`

  • Which of the following has the least ionization potential ?

    A
    Li
    B
    He
    C
    N
    D
    Zn.

    • Similar Questions

    Explore conceptually related problems

    Which of the following atoms has the lowest ionization potential ?

    Which of the following bonds has the lowest bond enthalpy?

    Which of the following has the highest ionization potential

    Which of the following has the lowest solubility

    Which of the following elements has the lowest ionization enthalpy?

    Home
    Profile