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Trend in Electronegativity

Which of the ...

Question

Which of the following is a favorable factor for cation formation?

A

Low ionisation potential

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B

High electron affinity

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C

High electronegativity

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D

Small atomic size

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Solution

The correct option is A Low ionisation potential
Cation is formed when an atom looses electron. For removing an electron, low ionisation potential of atom is favourable.

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Q. The necessary condition(s) for formation of ionic bond is/are:
(i) Low ionisation energy of electropositive element
(ii) Low ionisation energy of electronegative element
(iii) High electron affinity of electropositive element
(iv) High electron affinity of electronegative element

Q. The relationship between the electron affinity of a univalent cation such as Na

^{+}

and the ionisation energy of the neutral atom is:

Q. The compound

X^{+} Y^{-}

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Q. Assertion :A cation of less size is more favorable for ionic bond formation. Reason: If the size of the atoms is small, the nuclear pull on the electrons is more.

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X^{+} Y^{-}

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