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    pushpa_bhagat's Avatar
    pushpa_bhagat Posts: 39, Reputation: 1
    Junior Member
    		  
    #1

    Feb 9, 2011, 09:18 AM
    Even on warming why hexane does not dissolve in concentrated H2SO4?
    Unknown008's Avatar
    Unknown008 Posts: 8,076, Reputation: 723
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    #2

    Feb 9, 2011, 11:25 AM

    What do you know about polar solvents and non-polar solvents?
    pushpa_bhagat's Avatar
    pushpa_bhagat Posts: 39, Reputation: 1
    Junior Member
    		  
    #3

    Feb 9, 2011, 10:01 PM
    Comment on Unknown008's post
    Mainly polar solvent are miscible with water whereas nonpolar ar not miscible with water.
    &polar solvent usually has OH BOND, nonpolar has CO BOND.
    Charges ar unequally distributed in polar solvent , in nonpolar equally distributed. Thatis I KNOW ONLY THIS MUCH.
    Unknown008's Avatar
    Unknown008 Posts: 8,076, Reputation: 723
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    #4

    Feb 9, 2011, 10:28 PM

    Hm... nonpolar doesn't necessarily have CO bond, because CO by itself is polar!

    By definition, a non-polar substance doesn't have any resultant polarity, that is the positive and negative charges cancel each other out. This happens when the centre of charges in a molecule coincide.

    But here, what you need to know is that:
    Polar solutes dissolve in polar solvents only.
    Non-polar solutes dissolve in non-polar solvents only.

    H2SO4 is a polar solute.
    Hexane is a non-polar solvent.

    Hence, they don't dissolve in each other.
    pushpa_bhagat's Avatar
    pushpa_bhagat Posts: 39, Reputation: 1
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    #5

    Feb 10, 2011, 09:57 PM
    Comment on Unknown008's post
    OK thank u
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