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Recent questions tagged carbohydrates

starch can be used as an indicator for the detection of traces of

asked Mar 26, 2014 by sreemathi.v

1 answer

Carbohydrate without asymmetric carbon atom is

asked Mar 26, 2014 by sreemathi.v

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A polysaccharide that give only glucose when completely hydrolysed.

asked Mar 26, 2014 by sreemathi.v

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$(C_4H_{10}O_5)_n + nH_2O → C_{12}H_{22}O_{11} + H_2O → 2C_6H_{12}O_6$ What are the enzymes used in above conversion of Cellulose to Maltose to Glucose respectively ?

asked Mar 26, 2014 by sreemathi.v

1 answer

Calculate how much of the $\alpha$ and $\beta$ anomers of glucose are present in equlibrium mixture with a specific rotation of 52.6 degrees. (pure $\alpha$ D- glucose has specific rotation = + 112.2 degrees and that of $\beta$- D-glucose has specific rotation + 19 degrees)

asked Mar 26, 2014 by sreemathi.v

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The $\beta$ and $\alpha$ - D- glucose have different specific rotations. When either anomer is dissolved in water, their rotation change until the same fixed value results. What term is used for these changes?

asked Mar 26, 2014 by sreemathi.v

1 answer

$\begin{array}{1 1}\text{statement 1- D Glucopyranose is a non-reducing sugar}\\\text{statement 2- Six membered pyranose ring is always in equalibrium with its open chain counterpart}\end{array}$

asked Mar 26, 2014 by sreemathi.v

1 answer

If sucrose is treated with concentrated sulphuric acid, the product formed is

asked Mar 26, 2014 by sreemathi.v

1 answer

Starch is converted into maltose by the

asked Mar 26, 2014 by sreemathi.v

1 answer

The reagent which forms crystalline osazone derivative when reacted with glucose, is

asked Mar 26, 2014 by sreemathi.v

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Glucose has difference from fructose in that it.

asked Mar 26, 2014 by sreemathi.v

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Cellulose on hydrolysis with dilute sulphuric acid,gives

asked Mar 26, 2014 by sreemathi.v

1 answer

Treatment of (+)- glucose with $HIO_4$ gives the results that confirm its aldohexose structure. How many moles of $HIO_4$ should be consumed?

asked Mar 26, 2014 by sreemathi.v

1 answer

Fructose reduces Tollen’s reagent due to

asked Mar 26, 2014 by sreemathi.v

1 answer

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