Home
Class 12
CHEMISTRY
A underset(800^(@)C )overset(Delta)(rarr...

`A underset(800^(@)C )overset(Delta)(rarr) CH_(2) =` C = O , Reactant ' A ' in the reaction is

A

`CH_(3)CH_(2)CHO`

B

`CH_(3)CHO`

C

`CH_(3)-underset(O)underset(||)(C )-CH_(3)`

D

`C_(2)H_(5)OH`

Text Solution

Verified by Experts

The correct Answer is:
B
`CH_(3)-overset(O)overset(||)(C )-CH_(3) overset("Pyrolysis")underset(700^(@)C)rarr underset("Ketene")(CH_(2)=C=O+CH_(4))`
Promotional Banner

Topper's Solved these Questions

  • ALDEHYDES AND KETONES

    ERRORLESS |Exercise Critical Thinking Objective Questions|21 Videos

  • ALDEHYDES AND KETONES

    ERRORLESS |Exercise JEE Section Only one choice correct answer|39 Videos

  • ALDEHYDES AND KETONES

    ERRORLESS |Exercise Ordinary Thinking (Objective Questions) Preparation|43 Videos

  • ALCOHOL, PHENOL AND ETHER

    ERRORLESS |Exercise JEE SECTION (JEE Advanced 2018) More than one choice correct answer|1 Videos

  • ANALYTICAL CHEMISTRY

    ERRORLESS |Exercise JEE Section (Only One Choice Answer)|36 Videos

Similar Questions

Explore conceptually related problems

CH_(3)-underset(OH)underset(|)overset(CH_(3))overset(|)(C)-CH_(3) overset(Na_(2)Cr_(2)O_(7))underset("cool")(rarr) (P) , Product (P) in the reaction is :

Consider the following reaction, H_(2)C=CH_(2) +underset(B)(Br_(2))overset(A)rarr underset(C)(BrCH_(2)CH_(2)Br) The reactant 'A' and colour of 'B' and 'C' are respectively

CH_(3)-underset(CH_(3))underset(|)overset(CH_(3))overset(|)(CH)-overset(KMnO_(4))to (A) overset(H^(+))underset(Delta)to (B) overset(HBr) underset(RO OR) to (C) Product (C) in the above reaction is:

H_(2)O^(18) + Na rarr underset("(base)")((A))+(B) CH_(3)-overset(O)overset(||)(C)-O-CH_(2)-CH_(3)+(A) rarr (C)+(D) alcohol Product (C) of the reaction is :

C_(6)H_(10)O_(3) (Keto ester)(A)underset(Delta)overset(NaOH+I_(2))(rarr) Yellow ppt . +(B)overset(H^(o+))(rarr) (C )underset(-CO_(2))overset(Delta)(rarr) CH_(3)COOH . (A) and (B) are:

A overset(HCN)(rarr)B underset(H_(2)O)overset(HCl)(rarr)CH_(3)-underset(CH_(3))underset(|)overset(CH_(3))overset(|)(C)-underset(COOH)underset(|)overset(H)overset(|)(C)OH Which of the following is 'A' in the above series of reactions ?

CH_(4)overset(1000^(@)C)(rarr) A+B_((g)) , CH_(3)CH_(2)COONaoverset(Sodalime)underset(Delta)(rarr) C+Na_(2)CO_(3) C overset(Delta)underset(450^(@)C)(rarr) B+E,E+B overset(Ni)rarrX If E is a hydrocarbon, then X is identical with

ERRORLESS -ALDEHYDES AND KETONES -Ordinary Thinking (Objective Questions) Properties
  1. Which compound is soluble in H(2)O

    Text Solution

    |

  2. Which of the following reagents is used to distinguish acetone and ace...

    Text Solution

    |

  3. A underset(800^(@)C )overset(Delta)(rarr) CH(2) = C = O , Reactant ' A...

    Text Solution

    |

  4. Acetone and chloroform reacts to produce

    Text Solution

    |

  5. Formalin is

    Text Solution

    |

  6. Benedict's solution is not reduced by

    Text Solution

    |

  7. Which one of the following is reduced with zinc and hydrochloric acid ...

    Text Solution

    |

  8. The increasing order of the rate of HCN addition to compound A-D is ...

    Text Solution

    |

  9. In the Cannizzaro reaction given below: 2Ph-CHO overset(overset(Θ)OH...

    Text Solution

    |

  10. Trichloroacetaldehyde was subjected to cannizzaro's reaction by using ...

    Text Solution

    |

  11. In the gives transformation, which the following is the most appropria...

    Text Solution

    |

  12. What is the reaction of acetaldehyde with concentraed sulphuric acid

    Text Solution

    |

  13. Identify the correct statement

    Text Solution

    |

  14. A Wittig reaction with an aldehyde gives

    Text Solution

    |

  15. Which of the donot react with fehling solution ?

    Text Solution

    |

  16. Dimethyl ketones are usually characterised through

    Text Solution

    |

  17. Treatment of propionaldehyde with dilute NaOH solution gives

    Text Solution

    |

  18. The aldehyde which react with NaOH to produce an alcohol and sodium sa...

    Text Solution

    |

  19. Cyanohydrin of which of the following forms lactic acid

    Text Solution

    |

  20. Which of the following is used to detect aldehydes

    Text Solution

    |