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Why is the electron gain enthalpy of O o...

Why is the electron gain enthalpy of O or F less than that of S or Cl?

A

Assertion and reason both are correct statements and reason is correct explanation for assertion.

B

Assertion and reason both are correct statements but reason is not correct explanation for assertion.

C

Assertion is correct statement but reason is wrong statement.

D

Assertion is wrong statement but reason is correct statement.

Text Solution

Verified by Experts

The correct Answer is:
D
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Give reason for the following. a) The electron gain enthalpy of O is less negative than that of S. b) The size of anion is larger than the parent atom.

" The electron gain enthalpy of "O" is less negative than that of "S" ."

Knowledge Check

  • Second electron gain enthalpy:

    A
    is always negative
    B
    is always positive
    C
    can be positive or negative
    D
    is always zero

  • Assertion: magnitude of electron gain enthalpy of oxygen is less than that of fluorine but greater than that of nitrogen. Reason: Ionisation enthalpy order is as follows: N gt O lt E .

    A
    If both assertion and reason are true annd the reason is the correct explanation of assertion
    B
    If both assertion and reason are true but reason is not the correct explanation of assertion
    C
    If assertion is true but the reason is false
    D
    if assertion is false but the reason is true

  • Assertion:For the elements O or F,the electron gain enthalpy is less negative than that of the succeeding element. Reason:Electron gain enthalpy becomes less negative as we go down a group.

    A
    If both assertion and reason is the correct explanation of assertion.
    B
    If both assertion and reason is the correct explanation of assertion.
    C
    If both assertion and reason is the correct explanation of assertion.
    D
    If both assertion and reason is the correct explanation of assertion.

    • Similar Questions

    Explore conceptually related problems

    Explain why the electron gain enthalpy of fluorine is less negative than that of chlorine.

    Account for the following: Although the electron gain enthalpy of fluorine is less negative than that of chlorine, fluorine is a stronger oxidising agent than chlorine.

    Assign reason for the following: The negative value of electron gain enthalpy of fluorine is less than that of chlorine.

    Electron gain enthalpy of fluorine is less than that of chlorine. Why?

    Explain why the electron gain enthalpy of the fluorine is less negative than that of chlorine

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