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

Assertion: Formaldehyde is a planar molecule. Reason: It contains sp2 hybridised carbon atom. - Chemistry

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प्रश्न

Assertion: Formaldehyde is a planar molecule.

Reason: It contains sp2 hybridised carbon atom.

विकल्प

  • Assertion and reason both are correct and reason is correct explanation of assertion.

  • Assertion and reason both are wrong statements.

  • Assertion is correct statement but reason is wrong statement.

  • Assertion is wrong statement but reason is correct statement.

  • Assertion and reason both are correct statements but reasson is not correct explanation of assertion.

MCQ
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उत्तर

Assertion and reason both are correct and reason is correct explanation of assertion.

Explanation:

The smallest aldehyde is formaldehyde. It features a triangular planar shape with two bond pairs and no lone pairings. C and O share one pair of electrons in their double bond. As a result, the C atom is sp2 hybridized. As a result, both Assertion and Reason are true.

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अध्याय 12: Aldehydes, Ketones and Carboxylic Acids - Multiple Choice Questions (Type - I) [पृष्ठ १७५]

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एनसीईआरटी एक्झांप्लर Chemistry [English] Class 12
अध्याय 12 Aldehydes, Ketones and Carboxylic Acids
Multiple Choice Questions (Type - I) | Q 42 | पृष्ठ १७५

संबंधित प्रश्न

Which acid of the pair shown here would you expect to be stronger?

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Which acid of the pair shown here would you expect to be stronger?

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Which acid of the pair shown here would you expect to be stronger?

CH2FCH2CH2CO2H or CH3CHFCH2CO2H


Which acid of the pair shown here would you expect to be stronger?


Arrange the following compounds in increasing order of their property as indicated:

CH3CH2CH(Br)COOH, CH3CH(Br)CH2COOH, (CH3)2CHCOOH, CH3CH2CH2COOH (acid strength)


Arrange the following compounds in increasing order of their property as indicated:

Benzoic acid, 4-Nitrobenzoic acid, 3, 4-Dinitrobenzoic acid, 4-Methoxybenzoic acid (acid strength)


Write the reactions involved Hell-Volhard Zelinsky reaction?


What happens when Salicylic acid is treated with (CH3CO)2 O/H+?


 Arrange the following compounds in increasing order of their property as indicated:
 F - CH2COOH, O2N - CH2 COOH CH3 COOH,HCOOH - acid character. 


Complete the following reaction sequence.

\[\begin{array}{cc}
\ce{O}\phantom{...............................................}\\
||\phantom{...............................................}\\
\ce{CH3 - C - CH3 ->[(i) CH3MgBr][H2O] (A) ->[Na metal][Ether] (B) ->[CH3 - Br] (C)}
\end{array}\]


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Describe the action of alcoholic potassium hydroxide (alc. KOH) on n-propyl bromide


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