Q8 of 37 Page 1

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Name the species formed when an aqueous solution of amino acid is dissolved in water?


An amino acid has both a basic amine group and an acidic carboxylic acid group. When the aqueous solution of amino acid is dissolved in water, there is an internal transfer of a hydrogen ion from the -COOH group to the -NH2 group to leave an ion having both negative charge and positive charge. This ion is called a zwitterion or even a dipolar ion.



Formation of zwitterion.


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Name the substance used as depressant in the separation of two sulphide ores in Froth floatation method.


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Name the unit formed by the attachment of a base to 1’ position of sugar in a nucleoside.


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What type of reaction occurs in the formation of Nylon 6,6 polymer?


 10

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Which of the following compounds would undergo Cannizzaro reaction:


Benzaldehyde, Cyclohexanone, 2- Methylpentanal.