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Chemistry

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Are the words in brackets correct? If not, correct it.

1. Aldehydes and ketones are [less] polar than hydrocarbons.
I think aldehydes and ketones are polar, so should I change it to "more"?

2. [Hydrocarbons] have stronger intermolecular forces than aldehydes and ketones.
I had no ideas about that.

Thanks for helping out.

  • Chemistry -

    Your answer to #1 is correct and you should change it to "more". If you think about #1, you should know that #2 is false. Think about it. If aldehydes and ketones are more polar molecules than alkanes, then wouldn't aldehydes and ketones have stronger intermolecular forces.

  • Chemistry -

    For #2, should I change "hydrocarbons" to "alcohols"?
    Thank you.

  • Chemistry -

    http://www.chemguide.co.uk/organicprops/carbonyls/background.html

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