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Write the structures of the isomers of alcohols with molecular formula \[\ce{C4H10O}\]. Which of these exhibits optical activity?
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Explain why is \[\ce{O = C =O}\] nonpolar while \[\ce{R - O - R}\] is polar.
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Give the structure of the following compounds.
4-Nitropropiophenone
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Give the structure of the following compounds.
2-Hydroxycyclopentanecarbaldehyde
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Give the structure of the following compounds.
Phenyl acetaldehyde
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Sucrose (cane sugar) is a disaccharide. One molecule of sucrose on hydrolysis gives ______.
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Which of the following statements is not true about glucose?
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Carbohydrates are classified on the basis of their behaviour on hydrolysis and also as reducing or non-reducing sugar. Sucrose is a:
(i) monosaccharide
(ii) disaccharide
(iii) reducing sugar
(iv) non-reducing sugar
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How do you explain the presence of all the six carbon atoms in glucose in a straight chain?
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In nucleoside a base is attached at 1′ position of sugar moiety. Nucleotide is formed by linking of phosphoric acid unit to the sugar unit of nucleoside. At which position of sugar unit is the phosphoric acid linked in a nucleoside to give a nucleotide?
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Under what conditions glucose is converted to gluconic and saccharic acid?
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Which sugar is called invert sugar? Why is it called so?
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During curdling of milk, what happens to sugar present in it?
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How do you explain the presence of five – OH groups in glucose molecule?
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How do you explain the presence of an aldehydic group in a glucose molecule?
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Which of the following are addition polymers?
(i) Nylon
(ii) Melamine formaldehyde resin
(iii) Orlon
(iv) Polystyrene
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Which of the following polymers are condensation polymers?
(i) Bakelite
(ii) Teflon
(iii) Butyl rubber
(iv) Melamine formaldehyde resin
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Which of the following compounds are administered as antacids?
(i) Sodium carbonate
(ii) Sodium hydrogen carbonate
(iii) Aluminium carbonate
(iv) Magnesium hydroxide
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What are antagonistic drugs?
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What is the advantage of using antihistamines over antacids in the treatment of acidity?
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