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कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

Cannizaro’s reaction is not given by ______.

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प्रश्न

Cannizaro’s reaction is not given by ______.

विकल्प

  • \[\ce{HCHO}\]

  • \[\ce{CH3CHO}\]

MCQ
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उत्तर

Cannizaro’s reaction is not given by \[\ce{CH3CHO}\].

Explanation:

\[\ce{CH3CHO}\] will not give Cannizzaro’s reaction because it contains a-hydrogen while other three compounds have no a-hydrogen. Hence, they will give Cannizzaro’s reaction.

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अध्याय 12: Aldehydes, Ketones and Carboxylic Acids - Multiple Choice Questions (Type - I) [पृष्ठ १६९]

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एनसीईआरटी एक्झांप्लर Chemistry Exemplar [English] Class 12
अध्याय 12 Aldehydes, Ketones and Carboxylic Acids
Multiple Choice Questions (Type - I) | Q 6 | पृष्ठ १६९

संबंधित प्रश्न

What is meant by the following term? Give an example of the reaction in the following case.

Aldol


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Butane-1, 3-diol


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Ethanol to 3-Hydroxybutanal


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\[\begin{array}{cc}
\ce{C6H5CHO}\phantom{............}\\
\phantom{........}\ce{+\phantom{......}\ce{->[dil.NaOH][\Delta]}}\phantom{...}\\
\ce{CH3CH2CHO}\phantom{............}
\end{array}\]


Write chemical equations of the following reaction :
Benzoyl chloride is hydrogenated in the presence of `"Pd"/(BaSO_4)`


Write a chemical equation for the following reaction: 
Propanone is treated with dilute Ba( OH)2.


Which of the following compounds do not undergo aldol condensation?

(i) \[\ce{CH3 - CHO}\]

(ii)  

(iii)  \[\begin{array}{cc}
\phantom{}\ce{O}\\
\phantom{}||\\
\ce{CH3 - C - CH3}
\end{array}\]

(iv) \[\begin{array}{cc}
\phantom{}\ce{CH3}\\
|\phantom{...}\\
\ce{CH3 - C - CHO}\phantom{..}\\
|\phantom{...}\\
\phantom{}\ce{CH3}\\
\end{array}\]


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Reason: Aromatic aldehydes are almost as reactive as formaldehyde.


Cross aldol condensation occurs between


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Ethanal to 3-hydroxy butanal


\[\ce{CH3-CH2-CHO ->[dil][alkali] Product}\]

The product in the above reaction is:


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Which of the following compounds will undergo self-condensation in the presence of dilute NaOH solution?


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What is aldol condensation? Explain it with suitable examples.


Which one of the following undergoes reaction with 50% sodiumhydroxide solution to give the corresponding alcohol and acid:


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