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Factors Affecting Hydrogen Bonding

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Question

Show the polarisation of carbon-magnesium bond in the following structure.

$C H_{3} - C H_{2} - C H_{2} - C H_{2} - M g - X$

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Solution

Carbon is more electronegative than magnesium. The electronegativity difference of C and Mg is $1.24.$ Due to this electronegativity difference, the $C - M g$ bonds are polarised.

The $C - M g$ bond pair electrons are more attracted towards carbon. So, $C$ attains partial negative charge and $M g$ attains partial positive charge.

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Factors Affecting Hydrogen Bonding

Standard XII Chemistry

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