Home
Class 12
CHEMISTRY
Two aldopentoses A and B given the same ...

Two aldopentoses A and B given the same osazone derivative A is oxidized to an optically active aldoric acid by dilute nitric acid . Ruff degradation of B gave a tetrose which was similarly oxidized to an optically active aldaric acid. Assign the structure of A and B from the following list.

A

`X-1 & Y-4`

B

`X-4 & Y=1`

C

`X-2 & Y=3`

D

`X=3 & Y=2`

Text Solution

Verified by Experts

The correct Answer is:
3
Promotional Banner

Topper's Solved these Questions

  • BIOMOLECULES & POLYMER

    RESONANCE ENGLISH|Exercise ORGANIC CHEMISTRY(Biomolecules & Polymer)|34 Videos

  • BIOMOLECULES

    RESONANCE ENGLISH|Exercise Advanced Level(Part II)|33 Videos

  • CARBONYL COMPOUNDS (ALDEHYDES & KETONES ) & CARBOXYLIC ACID

    RESONANCE ENGLISH|Exercise Part -IV|23 Videos

Similar Questions

Explore conceptually related problems

Which of the following gives an optically inactive aldaric acid on oxidation with dilute nitric acid ?

Which of the following alpha -amino acids is not optically active?

Give the structure of an optically active alkene (A) having the lowest molecular mass, which on catalytic hydrogenation gives an optically inactive compound (B) .

The figure given alongside illustrates the apparatus used in the laboratory preparation B of nitric acid. Write the equation for the reaction in which copper is oxidized by concentrated nitric acid.

Write the balanced equation involved in the preparation of (a) bleaching powder from slaked lime (b) nitric oxide from nitric acid.

Which of the following is used for dissolution of gold? (a) Hydrochloric acid (b) Sulphuric acid (c ) Nitric acid ,(d) Aqua regia

Identify the weak electrolyte from the following: (A) Sodium chloride solution (B) Dilute hydrochloric acid (C) Dilute sulphuric acid (D) Aqueous acetic acid

You are provided with the following chemicals: [Copper, Lead, Sodium hydroxide, Zinc, Copper oxide, Lead carbonate, Sodium carbonate solution, Dilute hydrochloric acid, Dilute nitric acid and Dilute sulphuric acid.] From the above list, name the chemicals which you would use to prepare each one of the following salts: Copper sulphate

You are provided with the following chemicals: [Copper, Lead, Sodium hydroxide, Zinc, Copper oxide, Lead carbonate, Sodium carbonate solution, Dilute hydrochloric acid, Dilute nitric acid and Dilute sulphuric acid.] From the above list, name the chemicals which you would use to prepare each one of the following salts: Sodium sulphate

RESONANCE ENGLISH-BIOMOLECULES & POLYMER-ORGANIC CHEMISTRY(Biomolecules & Polymer)
  1. (+)Arabinose is (2R, 3S,4S)-aldopentose which of the following is (+)-...

    Text Solution

    |

  2. The osmotic pressure of blood is 5.65 atm at 27^(@) C.The number of mo...

    Text Solution

    |

  3. Which of the statement is incorrect.

    Text Solution

    |

  4. Which of the following is not reducing sugar.

    Text Solution

    |

  5. underset(" "CH(2)OH)underset(|)underset(" "(CHOH)(3))underset...

    Text Solution

    |

  6. The incorrect structure of glycine at given pH are :

    Text Solution

    |

  7. Threonine is (2S,3R) -2-amino-3-hydroxybutanoic acid. Which of the fol...

    Text Solution

    |

  8. Two aldopentoses A and B given the same osazone derivative A is oxidiz...

    Text Solution

    |

  9. Which of the following is not an important secondary structural featur...

    Text Solution

    |

  10. Which of the following is the major solute species in a solution of ly...

    Text Solution

    |

  11. The commercial name of polymethyl methacrylate (P M M A) is :

    Text Solution

    |

  12. Which of the structure represent methyl alpha -D- galactopyranoside ?

    Text Solution

    |

  13. When octa -O- methyl D- cellobiose is hydrolyzed by aqueous acid, two ...

    Text Solution

    |

  14. Which of the following is vitamin A ?

    Text Solution

    |

  15. What is the complementary m-RNA sequence for the DNA segment AATCAGTT?

    Text Solution

    |

  16. Which of the following gives an optically inactive aldaric acid on oxi...

    Text Solution

    |

  17. Which two of the following compounds, if any, are epimers ?

    Text Solution

    |

  18. Which statement is incorrect regarding alkali metals.

    Text Solution

    |

  19. An amino acid is characterized by two pKa values the one corresponding...

    Text Solution

    |

  20. Which of the following statements is wrong for the solution of alkali ...

    Text Solution

    |