| 1. | Ketoses of biological interest usually have the carbonyl at position 2.
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| 2. | Nickel is obtained from nickel carbonyl by one of two processes.
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| 3. | The carbonyl decomposes and deposits pure nickel onto the nickel spheres.
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| 4. | Various specific carbonyl compounds have special names for their acetal forms.
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| 5. | These compounds can also be obtained by reduction of nickel carbonyl.
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| 6. | Nickel carbonyl poisoning is characterized by a two-stage illness.
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| 7. | With its free carbonyl group, it is a reducing sugar.
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| 8. | The thioacetals are useful in " umpolung " of carbonyl groups.
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| 9. | It is used to deprotonate certain carbonyl compounds to give enolates.
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| 10. | The Tebbe reagent methylenates carbonyls without racemizing a chiral ? carbon.
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