Home
Class 12
CHEMISTRY
What do prefixes (+),(-) and (+-) before...

What do prefixes (+),(-) and `(+-)` before an organic compound mean?

Text Solution

Verified by Experts

Prefixes (+),(-) and `(+-)` imply dextrorotatory, laevorotatory and racemic modification respectively.
Promotional Banner

Topper's Solved these Questions

  • HALOALKANES AND HALOARENES

    PRADEEP|Exercise ADDITIONAL QUESTIONS (SHORT ANSWER QUESTIONS)|47 Videos

  • HALOALKANES AND HALOARENES

    PRADEEP|Exercise ADDITIONAL QUESTIONS (LONG ANSWER QUESTIONS)|4 Videos

  • HALOALKANES AND HALOARENES

    PRADEEP|Exercise NCERT EXEMPLAR PROBLEMS WITH ANSWERS, HINTS AND SOLUTIONS (LONG ANSWER QUESTIONS)|3 Videos

  • GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

    PRADEEP|Exercise Curiosity Questions|2 Videos

  • ORGANIC COMPOUNDS CONTAINING NITROGEN

    PRADEEP|Exercise IMPORTANT QUESTIONS FOR BOARD EXAMINATION|27 Videos

Similar Questions

Explore conceptually related problems

In the trivial system, which prefix will be used for the following compound ?

What do you mean by Hygroscopic compound.

What do you mean by data?

What do you mean by burn?

PRADEEP-HALOALKANES AND HALOARENES-ADDITIONAL QUESTIONS (VERY SHORT ANSWER QUESTIONS)
  1. What is the condition to be satisfied for a compound to be chiral?

    Text Solution

    |

  2. What type of isomerism is shown by lactic acid.

    Text Solution

    |

  3. What do prefixes (+),(-) and (+-) before an organic compound mean?

    Text Solution

    |

  4. What is a racemic mixture? Give an example

    Text Solution

    |

  5. S(N)1 reactions are accompanied by racemization in optically active ha...

    Text Solution

    |

  6. What is the lowest molecular mass alkane that is chiral? Is there anot...

    Text Solution

    |

  7. An acid of molecular formula, C(5)H(10)O(2) is optically active. What ...

    Text Solution

    |

  8. A carboxylic acid of the formula, C(3)H(5)O(2)Br is optically active. ...

    Text Solution

    |

  9. Give the structure of lowest molecular mass alcohol which is chiral?

    Text Solution

    |

  10. C(C(6)H(12)), and optically active dydrocarbon which on catalytic hydr...

    Text Solution

    |

  11. Which out of the two : 2-cyclopentenol or 3-cyclopentenol has chiral c...

    Text Solution

    |

  12. Why is the seperation of lanthanoids difficult ?

    Text Solution

    |

  13. Write a chemical reaction in which the iodide ion replaces the diazoni...

    Text Solution

    |

  14. What effect should the following resonance of vinyl chloride have on i...

    Text Solution

    |

  15. Why is vinyl chloride less reactive than ethyl chloride ?

    Text Solution

    |

  16. Which of the following is most reactive toward nucleophilic substituti...

    Text Solution

    |

  17. Give reasons: (i). C-Cl bond length in chlorobenzene is shorter than...

    Text Solution

    |

  18. The dipole moment of vinyl chloride is lower than that of methyl chlor...

    Text Solution

    |

  19. Grignard reagent of C(6)H(5)Cl can be prepared in THF but not in ether...

    Text Solution

    |

  20. Give reasons: (a) n-Butyl bromide has higher boiling point than t-bu...

    Text Solution

    |