Home
Class 10
CHEMISTRY
Define ionisation energy or Ionisation e...

Define ionisation energy or Ionisation enthalpy .

Text Solution

Verified by Experts

Ionisation energy is the minimum energy required to remove an electron from a gaseous atom in its ground state to form a cation . It is otherwise called ionisation enthalpy .
`A_((g))+"Energy" to A_((g))+e^(-)`( First ionisation energy , `IE_1` )
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • PERIODIC CLASSIFICATION OF ELEMENTS

    SURA PUBLICATION|Exercise ADDITIONAL QUESTIONS & ANSWERS ( SHORT ANSWERS )|17 Videos

  • PERIODIC CLASSIFICATION OF ELEMENTS

    SURA PUBLICATION|Exercise ADDITIONAL QUESTIONS & ANSWERS ( LONG ANSWERS )|13 Videos

  • PERIODIC CLASSIFICATION OF ELEMENTS

    SURA PUBLICATION|Exercise ADDITIONAL QUESTIONS & ANSWERS ( ANSWER IN A WORD )|6 Videos

  • HALF YEARLY MODEL QUESTION PAPER

    SURA PUBLICATION|Exercise Subjective Questions|12 Videos

  • SOLUTIONS

    SURA PUBLICATION|Exercise ADDITIONAL QUESTIONS & ANSWERS ( HIGHER ORDER THINKING SKILLS (HOTS ) ):|1 Videos

Similar Questions

Explore conceptually related problems

Is the definition given below for ionisation enthalpy is correct ? " Ionisation enthalpy is defined as the energy required to remove the most loosely bound electron from the valence shell of an atom. "

Is the definition given below for ionisation enthalphy correct ? Ionisation enthalphy is defined as the energy required to remove the most loosely bound electron from the valence shell of an atom

Knowledge Check

  • The ionisation energy of hydrogen atom is 13.6 eV , the ionisation energy of a singly ionsed helium atom would be

    A
    `13.6` eV
    B
    `27.2` eV
    C
    `6.8` eV
    D
    `54.4` eV

  • The ionisation energy of Ga is higher than that of Al because of _______

    A
    more effective nuclear charge of Ga
    B
    smaller atomic size of Ga
    C
    larger size of Ga
    D
    both (a) and (b)

    • Similar Questions

    Explore conceptually related problems

    Is the definition given below for ionization enthalpy is correct ? Why ? "Ionisation enthalpy is defined as the energy required to remove the most loosely bound electrons from the valence shell of an atom".

    Define bond energy (or) bond enthalpy .

    The ionisation energy of boron is less than that of beryllium. Explain.

    How does ionisation energy vary in a group ?

    The ionisation energy …………. Along the period .

    Give an explanation for each of the following observations. Ionisation enthalpies of Ce, Pr and Nd are higher than Th, Pa Cl. Why ?

    Home
    Profile