If polarizing power is in order of $M_{a}^{+} > M_{b}^{+} > M_{c}^{+}$ and polarizibility is in order of $X^{-} > Y^{-} > Z^{-}$ , then select which of the following compounds have more covalent character as compared to $M_{b}^{+} Y^{-}$

M_{a}^{+} Y^{-}

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M_{b}^{+} X^{-}

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M_{c}^{+} Y^{-}

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M_{b}^{+} Z^{-}

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Solution

The correct options are
A $M_{a}^{+} Y^{-}$
B $M_{b}^{+} X^{-}$
For the same anion, more covalent character is present in the compound that has more polarizing power.
$M_{a}^{+} Y^{-} > M_{b}^{+} Y^{-}$
$M_{a}^{+} Y^{-}$ is more covalent.

For the same cation, more covalent character is present in the compound that has more polarizable anion.
$M_{b}^{+} X^{-} > M_{b}^{+} Y^{-}$
$M_{b}^{+} X^{-}$ is more covalent.

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If polarizing power is in order of M+a>M+b>M+c and polarizibility is in order of X−>Y−>Z−, then select which of the following compounds have more covalent character as compared to M+bY−

If polarizing power is in order of $M_{a}^{+} > M_{b}^{+} > M_{c}^{+}$ and polarizibility is in order of $X^{-} > Y^{-} > Z^{-}$ , then select which of the following compounds have more covalent character as compared to $M_{b}^{+} Y^{-}$