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Ketene CH2=C=O has...

Ketene `CH_2=C=O` has

A

Only `sp^2` carbon atom

B

Only sp carbon atom

C

`sp^2` and sp carbon atoms

D

`sp^3 ,sp^2 and sp` carbon atoms

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Assertion :- The IUPAC name of the compound is cyclohexylidene methanone. Reason :- CH_(2)=C=O is called ketene.

BrCH_(2) - CH_(2) - CH = O and CH_(3) - CH_(2) - undersetunderset(Br)(|)C = O are

Consider the fallowing statement : (I) CH_3OC^(o+)H_2 is more stable that CH_3CH_2^(o+) (II) Me_3C^(o+) is more stable than CH_3CH_2C^(o+)H_2 (III) CH_2=CH-C^(o+)H_2 is more stable than CH_3CH_2C^(o+)H_2 (IV) CH_2=C^(o+)H is more stable thn CH_3C^(o+)H_2 of these statement:

The IUPAC name of the compound CH_3 -CH_2 - overset(O ) overset(||)C-CH_2 -COOH is

Which is expected to be more stable : O_2 N CH_2 CH_2 O^(-) and CH_3 CH_2 O^(-) and why?

Which of the following pairs has less resonance energy: o+ " and " CH_(2) = CH - CH_(2)^(+)

Following is an example of CH_(2)=CH-overset(O)overset(||)CHharroverset(o+)CH_(2)-CH=overset(O^(-))overset("| ")C-Hharr.^(-)CH_(2)=CH-overset(O^(-))overset("| ")underset(o+)"C "-H

The IUPAC name of CH_3 CH_2 - overset(O ) overset(||)C-CH_2-overset(O ) overset(||)C-H is

RESONANCE-DPP-QUESTIONS
  1. Which of the following is third member of Cn H(2n-2) homologous series...

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  2. Total number of bonds in HC-=C-C-=CH ?

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  3. Ketene CH2=C=O has

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  4. Which one is not true for all the members of a homologous series

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  5. In the given compounds how many are unsaturated hydrocarbon ?

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  6. How many C-C sigma (sigma) bonds are present in the given compound ?

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  7. Total number of 3^(@) hydrogens present in given compound are ?

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  8. Estrone is a human hormones. How many number of sp^2 hybridised carbon...

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  9. In the organic compound overset1CH2=overset2CH-overset3CH2-overset4CH2...

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  10. Which of the following has 3^@ carbon

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  11. In following compound - CH3-CH2-undersetunderset(CH3)(|)oversetoverset...

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  12. Which of the following is 3^@ chloride ?

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  13. What is the correct IUPAC name of (CH3)4C is ?

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  14. What is the correct IUPAC name of (C2H5)4C is ?

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  15. Which of the following are used as primary suffix :

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  16. The name of CH3-undersetunderset(CH3)(|)oversetoverset(CH3)(|)C-CH2-ov...

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  17. What is the general formula of alkyl group ?

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  18. Which of the following IUPAC name is/are correct ?

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  19. Which of the following structure represents 2, 2, 3-trimethylhexane ?

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  20. Which of the following is/are incorrect IUPAC name ?

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