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Dear students, the first question is number of sp3 hybridized carbons present in aspirin.
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Now, aspirin is acetyl saliculate.
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So this is acetylene, acetyl saliculate, o, co, cs3.
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And this is the ring, benzene ring.
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Now if you see, all the carbon atoms of benzene ring are sp2 hybridized.
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So these are sp2, this is also having 5.
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So, carousilic acid carbon is also sp2 -habitized.
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And this is also having a pi -1 carbonyl group.
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This is also sp2 -hybridized.
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And the carbon which is sp3 hybridized is only this one.
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This is sp3 hybridized.
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Then the second question is number of sp2 hybridized carbons present in naproxen.
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Naproxin.
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This is question a, then question b.
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The structure of naproxen is like this.
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This is a nathyl ring...