Home
Class 12
CHEMISTRY
In an alkaline medium, glycine predomina...

In an alkaline medium, glycine predominantly exists as/in a/an

A

Anion

B

Zwitter ion

C

Cation

D

Covalent form

Text Solution

Verified by Experts

The correct Answer is:
A

Alanine exists as a zwitter ion in neutral solution. In acidic medfium, `COO^(-)` ion of the zwitter ion accepts a proton to form a cation while in alkaline medium `NH_(3)^(+)` loses a proton to form an anion.
Promotional Banner

Topper's Solved these Questions

  • NITROGEN CONTAINING COMPOUNDS

    ERRORLESS |Exercise PROPERTIES OF NITROGEN CONTAINING COMPOUNDS|16 Videos
  • NITROGEN CONTAINING COMPOUNDS

    ERRORLESS |Exercise TESTS FOR NITROGEN CONTAINING COMPOUNDS|11 Videos
  • NITROGEN CONTAINING COMPOUNDS

    ERRORLESS |Exercise JEE (ADVANCED) 2018 MORE THAN ONE CHOICE CORRECT ANSWER|1 Videos
  • IONIC EQUILIBRIUM

    ERRORLESS |Exercise JS Jee Section (JEE Advanced (Numeric answer type question))|1 Videos
  • NUCLEAR CHEMISTRY

    ERRORLESS |Exercise JEE SECTION (Matrix Match Type Questions)|2 Videos

Similar Questions

Explore conceptually related problems

Assertion (A): The amino acid glycine predominatly exists in the form of ^(o+)NH_(3)CH_(2)COO^(Theta) . Reason (R) : The conjugate acid of glycine is NH_(2)CH_(2)COO^(Theta) .

In basic medium, alanine exists as

Assertion : Among alkaline earth metals, Be predominantly forms covalent bond. Reason : Be is smaller in size and hence has greater polarising power.

It is best to carry out reaction with sugers in neutral or acidic medium and not is alkaline medium because in alkaline medium sugars undergo?

Sulphur dioxide is a more powerful reducing agent in the alkaline medium than in the acidic medium. Assign reason.

Reduction of in an alkaline medium gives

In alkaline medium, KMnO_4 oxidises iodide ion to

ERRORLESS -NITROGEN CONTAINING COMPOUNDS -PREPARATION OF NITROGEN CONTAINING COMPOUNDS
  1. Which of following species does not exert a resonance effect

    Text Solution

    |

  2. The correct sequence of reactions to convert p-nitrophenol into quinol...

    Text Solution

    |

  3. In an alkaline medium, glycine predominantly exists as/in a/an

    Text Solution

    |

  4. Benzylamine is a stronger base than aniline because

    Text Solution

    |

  5. p-Nitrobromobenzene can be converted to p-nitroaniline by using NaNH2....

    Text Solution

    |

  6. Which on doesn't liberate NH(3) when undergoes hydrolysis?

    Text Solution

    |

  7. The end product in the following sequence of reaction

    Text Solution

    |

  8. The structural feature which distinguishes proline from other natural ...

    Text Solution

    |

  9. Identify the final product

    Text Solution

    |

  10. The product of the following reaction is

    Text Solution

    |

  11. The final product in the following reaction sequence is p - chloroan...

    Text Solution

    |

  12. Pure aniline is a :

    Text Solution

    |

  13. During acetylation of amines, what is replaced by acetyl groups?

    Text Solution

    |

  14. Which has apyramidal structure?

    Text Solution

    |

  15. Which one of the following compound is most basic

    Text Solution

    |

  16. Which of the following is capable of forming a zwitter ion ?

    Text Solution

    |

  17. Nitration of aniline also gives m-nitro anilime, in stron acidic mediu...

    Text Solution

    |

  18. Identify the product in the following sequence 3,4,5-tribromoaniline u...

    Text Solution

    |

  19. Which of the following will be obtained on acetylation of aniline

    Text Solution

    |

  20. Which of the following reaction does NOT occur ?

    Text Solution

    |