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Nature of Matter

The pair of e...

Question

The pair of element which forms a compound with maximum ionic characteristics is:

N a

and

C

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C s

and

F

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C s

and

I

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N a

and

C l

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Solution

The correct option is B $C s$ and $F$
The ionic character of an element is determined by its electronegativity. Fluorine has maximum electronegativity while iodine has a minimum which means the power of attraction in the ionic bond of $C s F$ is maximum so they have a minimum distance between their molecules and maximum ionic character.

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Similar questions

L i^{+}

N a^{+}

C s^{+}

Arrange the following as per instructions given in the brackets.

(a) Mg. Cl, Na, S, Si (decreasing order of atomic size)

(b) Cs, Na, Li, K, Rb (increasing metallic character)

(d) Cl, F, Br, I (increasing electron affinity)

(e) Cs, Na, Li, K, Rb (decreasing electronegativity)

N a^{+}, K^{+}, L i^{+}

C s^{+}

C s

F_{2}

C s F

C s

F

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