Home
Class 12
CHEMISTRY
Assertion (A) D(+)- Glucose is dextrorot...

Assertion (A) `D(+)-` Glucose is dextrorotatory in nature.
Reason (R) 'D' represents its dextrorotatory nature.

A

Assertion and reason both are correct statements and reason explains the assertion.

B

Both assertion and reason are wrong statements.

C

Assertion is correct statement and reason is wrong statement.

D

Assertion is wrong statement and reason is correct statement.

Text Solution

Verified by Experts

The correct Answer is:
C

Correct reason : D(+) Glucose rotates the path of plane polarised light to the right.
Promotional Banner

Topper's Solved these Questions

  • BIOMOLECULES

    DINESH PUBLICATION|Exercise ASSIGNMENT|79 Videos
  • BIOMOLECULES

    DINESH PUBLICATION|Exercise TARGET|60 Videos
  • BIOMOLECULES

    DINESH PUBLICATION|Exercise HIGHER ORDER THINKING SKILLS (HOTS) QUESTIONS|13 Videos
  • BASIC PRINCIPLES OF ORGANIC CHEMISTRY

    DINESH PUBLICATION|Exercise Matrix Type Questions|2 Videos
  • CARBOXYLIC ACIDS

    DINESH PUBLICATION|Exercise BRAIN STORMING MULTIPLE CHOICE QUESTIONS (MCQS)|13 Videos

Similar Questions

Explore conceptually related problems

Assertion : Glucose is correctly named as D-(+)-glucose. ' 3 Reason : ‘D’ before the name of glucose represents its dextrorotatory nature.

A : D-fructose is levorotatory R : D-Glucose is dextrorotatory

Assertion : D-glucose is dextrorotatory whereas L-glucose is laevorotatory. Reason : D-compounds are always dextro and L-compounds are always laevorotatory

Assertion (A): LiF is ionic in nature. Reason (R): Lil is covalent in nature.

Assertion (A) : Crystalline solids are anisotropic in nature. Reason (R) : Crystalline solids melt at a sharp and characteristic temperature.

Assertion (A): Semen is alkaline in nature. Reason (R): Semen contains fructose and prostaglandin hormone.

Assertion: sucrose is called invert sugar Reason : sucrose is initially dextrorotatory but in hydrolysed solution mixture is laevaorotatory i.e ratation of light is changed

Assertion (A) : Silicones are hdyreopbhobic in nature . Reason (R) : Si -O - Si likages are moisture sensitive .

DINESH PUBLICATION-BIOMOLECULES-N.C.E.R.T. EXEPLAR PROBLEMS
  1. Structure of a disaccharide formed by glucose and fructose is given be...

    Text Solution

    |

  2. Three structures are given below in which two glucose units are linked...

    Text Solution

    |

  3. Carbohydrates are classified on the basis of their bahaviour on hydrol...

    Text Solution

    |

  4. Proteins can be classified into two types on the basis of their molecu...

    Text Solution

    |

  5. Which of the following carbohydrates are branched polymer of glucose?

    Text Solution

    |

  6. Amino acids are classified as acidic, basic or neutral depending upon ...

    Text Solution

    |

  7. Lysine, H(2)N-(CH(2))(4)-underset(" "NH(2))underset(|)(CH)-COOH is.......

    Text Solution

    |

  8. Which of the following monosaccharides are present as five membered cy...

    Text Solution

    |

  9. In fibrous proteins, polypeptide chains are held together by........ .

    Text Solution

    |

  10. Which of the following are purine bases?

    Text Solution

    |

  11. Which of the following terms are correct about enzyme?

    Text Solution

    |

  12. Match the vitamins given in Column I with the deficiency disease they ...

    Text Solution

    |

  13. Match the following enzymes given in Column I with the reactions they ...

    Text Solution

    |

  14. Assertion (A) D(+)- Glucose is dextrorotatory in nature. Reason (R) ...

    Text Solution

    |

  15. Assertion (A) Vitamin D can be stored in our body. Reason (R) Vitami...

    Text Solution

    |

  16. Assertion (A) beta-glycosidic linkage is present in maltose. Reason ...

    Text Solution

    |

  17. Assertion (A) All naturally occurring alpha-aminoacids except glycine ...

    Text Solution

    |

  18. Assertion (A) Deoxyribose, C(5)H(10)O(4) is not a carbohydrate. Reas...

    Text Solution

    |

  19. Assertion (A) Glycine must be taken through diet. Reason (R) It is a...

    Text Solution

    |

  20. Assertion (A) In presence of enzyme, substrate molecule can be attacke...

    Text Solution

    |