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Inorganic Chemistry

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9 Apr 2008 17:03:51 IST

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Please explain- what are hard and soft acids/bases?

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what are hard and soft acids/bases?

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BALGANESH

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9 Apr 2008 17:27:26 IST

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Hard acids are those which are difficult to oxidise have higher electronegativity,high polarizing power
ex- H+

soft acids are those which are easy to oxidise have lower electronegativity,low polarizing power

Sahil Gupta

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9 Apr 2008 17:38:39 IST

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hard acids are hard to donate H+ ion or accept OH- ion. soft acid are easy to donate H+ ion or accept OH- ion.
corresponding to this is true for hard and soft bases.

Bipin Dubey

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10 Apr 2008 12:11:13 IST

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Hard acid is a Lewis acid with an acceptor centre of low polarizability. It preferentially associates with hard bases rather than with soft bases, in a qualitative sense. Conversely a soft acid possesses an acceptor centre of high polarizability.

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