Home
Class 12
CHEMISTRY
Coversion R - CHO rarr R - CH2 -OH can b...


Coversion `R - CHO rarr R - CH_2 -OH` can be done by :

A

`LiAlH_4`

B

`NaBH_4`

C

`H_2//Ni`

D

All of these

Text Solution

Verified by Experts

The correct Answer is:
D

LAH, NBH and `H_2//N` reduces ald . To alcohol
Promotional Banner

Topper's Solved these Questions

  • ALCOHOL,ETHERS AND EPOXIDES

    MS CHOUHAN|Exercise SUBJECTIVE PROBLEMS|1 Videos
  • ALCOHOL,ETHERS AND EPOXIDES

    MS CHOUHAN|Exercise SUBJECTIVE PROBLEMS|1 Videos
  • 5C ALKYL HALIDES

    MS CHOUHAN|Exercise LEVEL-2 (SUBJECTIVE PROBLEMS)|1 Videos
  • ALDEHYDES AND KETONES

    MS CHOUHAN|Exercise LEVEL-2|20 Videos

Similar Questions

Explore conceptually related problems

Identify X and Y in the following reactions R - CH = CH -CH_2 OH overset(X) to R - CH = CH - CHO R - CH_2 OH overset (Y) to R - COOH

CH_(3)CHO and C_(6)H_(5)CHO can be distinguished by

H_2 + CO + R - CH = CH_2to R -CH_2-CH_2 -CHO This reaction is known as

R-CH_2 -CH_2 OH can be converted into RCH_2 CH_2 COOH . The correct sequence of reagents is :

Acetaldehyde can be converted in to OHCH_2 - underset(CH_2OH) underset(| ) overset(CH_2OH) overset(| ) C-CH_2 OH by which reagent

C_(2)H_(5)CHO and (CH_(3))_(2)CO can be distinguished by testing with

How can the following conversions be effected ? (a) CH_(3)COCl rarr CH_(3)CHO (b) CH_(3)COCl rarr CH_(3)COCH_(3) (c ) CH_(3)CN rarr CH_(3)CHO (d) CH_(3)CN rarr CH_(3)CH_(2)OH

R- overset(O) overset(||) C-R overset(?) to R- CH_2 -R identify numbers of reagent that can be used be used for above conversion . (a) Zn -Hg //HCI " " (b ) LIAIH_4 " "(c ) CHCI_3 +NaOH (d ) N_2H_4 //overset(Ө)(OH) " " (e ) {:(CH_2 -SH ),(|),(CH_2 -SH ):} , H_2 //Ni " " (f ) SeO_2

Given that CH_3CHO + 5/2O_2 rarr 2CO_2 + 2H_2O, DeltaH = -1168 KJ//"mole" CH_3COOH + 2O_2 rarr 2CO_2 + 2H_2O, Delta H = -876 KJ//"mole" DeltaH for the reaction CH_3CHO + 1/2O_2 rarr CH_2COOH in KJ//mol is

C_2H_5CHO and CH_3 COCH_3 can be distinguished from one another by testing with

MS CHOUHAN-ALCOHOL,ETHERS AND EPOXIDES-LEVEL-2
  1. Based on the above isomer answer the following (A to F). Which isome...

    Text Solution

    |

  2. Based on the above isomer answer the following (A to F). Which isome...

    Text Solution

    |

  3. Based on the above isomer answer the following (A to F). Which isome...

    Text Solution

    |

  4. Conversion (CH3 - CH3 rarr CH3 - CH2 - OH) " alkane " rarr alcohol is...

    Text Solution

    |

  5. Conversion R -CH2 - OH rarr R -CHO can be done by :

    Text Solution

    |

  6. Conversion R-CHO rarr R - CO2 H can be done by

    Text Solution

    |

  7. Coversion R - CO2H rarr R - CHO can be done by :

    Text Solution

    |

  8. Coversion R - CHO rarr R - CH2 -OH can be done by :

    Text Solution

    |

  9. Reduction R - CH2 - OH rarr R - CH3 can be done by :

    Text Solution

    |

  10. Which of the following is true for 3- methylbutanal ?

    Text Solution

    |

  11. This problem is an introduction to the planning of multistep syntheses...

    Text Solution

    |

  12. Which of the following is true for 3- methyl-2-butanone?

    Text Solution

    |

  13. Which of these methods would serve to prepare 1-phenyl-2-propanol?

    Text Solution

    |

  14. Match the Column (I) and (II) .

    Text Solution

    |

  15. Match the Column (I) and (II) .

    Text Solution

    |

  16. Ratio ofmoles of formaldehyde obtained in the reaction (1) and reactio...

    Text Solution

    |

  17. Di-tert-glycols rearrange in the presence of acid to give alpa-tertiar...

    Text Solution

    |

  18. Di-tert-glycols rearrange in the presence of acid to give alpa-tertiar...

    Text Solution

    |

  19. Di-tert-glycols rearrange in the presence of acid to give alpa-tertiar...

    Text Solution

    |

  20. Di-tert-glycols rearrange in the presence of acid to give alpa-tertiar...

    Text Solution

    |