Home
Class 12
CHEMISTRY
Change in optical rotation of sucrose so...

Change in optical rotation of sucrose solution due to hydrolysis is called

A

Specific rotation

B

Inversion

C

Rotatory motion

D

Mutarotation

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • CARBOHYDRATES

    AAKASH SERIES|Exercise Level -II Lecture Sheet (Exercise-I)|20 Videos
  • CARBOHYDRATES

    AAKASH SERIES|Exercise Level -II Lecture Sheet (Exercise-II)|5 Videos
  • BIOMOLECULES

    AAKASH SERIES|Exercise OBJECTIVE EXERCISE-4 (ASSERTION (A) & REASON (R) TYPE QUESTIONS :)|84 Videos
  • CARBOXYLIC ACIDS

    AAKASH SERIES|Exercise PRACTICE SHEET-4 (Integer Type Questions)|9 Videos

Similar Questions

Explore conceptually related problems

Alkaline hydrolysis of fats is called

Explain the role of sucrose in its hydrolysis.

The specific rotation of aqueous sucrose is

The bursting of cells due to osmosis is called –

The optical rotation of a solution of pure natural camphor is found to be +5.76^(@) under the following conditions, concentration = 0.13g/ml, length of polarimeter = 1dm, wavelength = sodium D line, T=25^(@)C . The specific rotation of camphor is

(A) Hydrolysis of sucrose is called inversion of cane sugar. (R) Sucrose on hydrolysis gives laevo rotatory glucose and dextro rotatory fructose

D(+) Glucose has melting point 140^(@)C and specific rotation [a]_(D)^(25) is 112^(@)C . Another D(+) Glucose has melting point 150^(@)C and specific rotation [a]_(D)^(25) is +18.7^(@)C . The two form have significantly different optical rotation but when an aqueous solution of either form is allowed to stand, it rotation changes. The specific rotation of one form decreases and rotation of other increases until both solution show the same value +52.7^(@) . The change in rotation towards an equilibrium value is called mutarotation [alpha]_(D)^(25) = +18.7^(@)C " " [alpha]_(D)^(25) = +112^(@)C Mutarotation is characteristic feature of

D(+) Glucose has melting point 140^(@)C and specific rotation [a]_(D)^(25) is 112^(@)C . Another D(+) Glucose has melting point 150^(@)C and specific rotation [a]_(D)^(25) is +18.7^(@)C . The two form have significantly different optical rotation but when an aqueous solution of either form is allowed to stand, it rotation changes. The specific rotation of one form decreases and rotation of other increases until both solution show the same value +52.7^(@) . The change in rotation towards an equilibrium value is called mutarotation [alpha]_(D)^(25) = +18.7^(@)C " " [alpha]_(D)^(25) = +112^(@)C What percentage of beta-D-(+) glucopyranose found at equilibrium in the aqueous solution?

D(+) Glucose has melting point 140^(@)C and specific rotation [a]_(D)^(25) is 112^(@)C . Another D(+) Glucose has melting point 150^(@)C and specific rotation [a]_(D)^(25) is +18.7^(@)C . The two form have significantly different optical rotation but when an aqueous solution of either form is allowed to stand, it rotation changes. The specific rotation of one form decreases and rotation of other increases until both solution show the same value +52.7^(@) . The change in rotation towards an equilibrium value is called mutarotation [alpha]_(D)^(25) = +18.7^(@)C " " [alpha]_(D)^(25) = +112^(@)C For mannose the mutarotation can be shown in brief as follow

Statement-I: Li_(2)CO_(3) decomposes on heating to give CO_(2) gas Statement-II: Carbonated of alkali metals give wakly alkaline solutions due to the hydrolysis of carbonate ion

AAKASH SERIES-CARBOHYDRATES-Practice Sheet-5
  1. Change in optical rotation of sucrose solution due to hydrolysis is ca...

    Text Solution

    |

  2. D-tagatose is a 2-ketohexose which forms same osazone as D-galactose. ...

    Text Solution

    |

  3. The correct chair form structures of beta- galactose will be

    Text Solution

    |

  4. Killiani-Fischer synthesis of D (+) Arabinose gives

    Text Solution

    |

  5. An optically active compound A gave an [alpha](0)^(25) = 30^(@) while ...

    Text Solution

    |

  6. Although D-galactose rotates plane polarized light its oxidation produ...

    Text Solution

    |

  7. underset(underset(CH(2)OH)(|))overset(overset(overset(overset(CHO)(|))...

    Text Solution

    |

  8. Find the average molecular mass of starch given that an aqueous soluti...

    Text Solution

    |

  9. Which of the following orders of sweetness is correct

    Text Solution

    |

  10. In the multi step conversion of an Aldose in to next higher Aldose by ...

    Text Solution

    |

  11. The Fischer projection formula shown above is the enolic form of

    Text Solution

    |

  12. The correct chair form of given Haworth Structure will be

    Text Solution

    |

  13. The product of the reaction D-Glyceraldehyde underset(HCl)overset(Me(2...

    Text Solution

    |

  14. Which relationship (s)is/are true

    Text Solution

    |

  15. Which of the following monosaccharides yields an optically active aldi...

    Text Solution

    |

  16. Observe the following reaction and mark the correct statements(s)given...

    Text Solution

    |

  17. Which of the following statements are correct

    Text Solution

    |

  18. Monosaccharides have -CHO (or C=O) and -OH groups, so they undergo usu...

    Text Solution

    |

  19. Monosaccharides have -CHO (or C=O) and -OH groups, so they undergo usu...

    Text Solution

    |

  20. Monosaccharides have -CHO (or C=O) and -OH groups, so they undergo usu...

    Text Solution

    |

  21. What is true about compound (I)

    Text Solution

    |