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महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता १२ वी

_____________ reaction is used to synthesize straight alkyl substituted benzenes. - Chemistry

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प्रश्न

_____________ reaction is used to synthesize straight alkyl substituted benzenes.

पर्याय

  • Etard

  • Rosenmund reduction

  • Stephen reaction

  • Wolf Kishner reduction

MCQ
रिकाम्या जागा भरा

उत्तर

Wolf Kishner reduction reaction is used to synthesize straight alkyl substituted benzenes.

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Chemical Properties of Aldehydes and Ketones
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पाठ 12: Aldehydes, Ketones and Carboxylic acids - Multiple choice questions

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एससीईआरटी महाराष्ट्र Chemistry [English] 12 Standard HSC
पाठ 12 Aldehydes, Ketones and Carboxylic acids
Multiple choice questions | Q 2

संबंधित प्रश्‍न

Answer in brief.

What is the action of hydrazine on cyclopentanone in presence of KOH in ethylene glycol?


Addition of sodium bisulphite to ethanol is ____________ type of reaction.


Write a reaction to distinguish acetaldehyde from acetone


Benzaldehyde gives all tests positive EXCEPT ____________.


Ethyl methyl ketone can be reduced to n-butane by which of the following reactions?


Which of the following gives red precipitate with Fehling's solution?


Compounds of general formula, are called ____________.

\[\begin{array}{cc} \phantom{...}\ce{R}\phantom{....}\ce{OR''}\phantom{}\\ \phantom{}\backslash\phantom{..}/\\ \ce{C}\\ \phantom{}/\phantom{..}\backslash\\ \phantom{...}\ce{R'}\phantom{...}\ce{OR''}\phantom{} \end{array}\]


\[\begin{array}{cc} \phantom{...}\ce{R}\phantom{.................}\ce{R}\phantom{..}\ce{H}\phantom{................}\\ \phantom{...}\backslash\phantom{..................}\backslash/\phantom{..........}\phantom{.......}\\ \ce{C = O ->[H2NNH2][KOH/glycol] C + N2 + H2O}\\ \phantom{}/\phantom{............}\phantom{.......}/\phantom{}\backslash\phantom{...............}\\ \phantom{}\ce{R}\phantom{..................}\ce{R}\phantom{..}\ce{H}\phantom{...............} \end{array}\]

Reaction is called ____________.


Which of the following does not give yellow solid on treatment with sodium hypoiodlte?


Compounds of general formula, are called ____________.

\[\begin{array}{cc} \phantom{...}\ce{R}\phantom{....}\ce{OR'}\phantom{}\\ \phantom{}\backslash\phantom{..}/\\ \ce{C}\\ \phantom{}/\phantom{..}\backslash\\ \phantom{...}\ce{H}\phantom{....}\ce{OR'}\phantom{} \end{array}\]


Following reaction is an example of ____________.

\[\ce{Benzaldehyde ->[Nitration] {m}-Nitrobenzaldehyde}\]


Which of the following is a Wolf - Kishner reduction?


Which among the following compounds does NOT undergo aldol condensation?


\[\ce{CH2 = CH2 ->[i) O3][ii) Zn/H2O] X ->[NH3] Y}\] ‘Y’ is:


Identify the product formed in the reaction.


In which case, chiral carbon is not generated by reaction with HCN.


Carboxylic acids have higher boiling points than aldehydes, ketones and even alcohols of comparable molecular mass. It is due to their ____________.


Identify X and Y.

\[\ce{CH3COCH2CH2COOC2H5 ->[CH3MgBr] X ->[H3O^+] Y}\]


What is the action of HCN on ethanal?


How is the following conversion effected Hex-3-yne into hexan-3-one?


Identify A, B and C.


How will you prepare ethane from sodium acetate?


The reagent used in Wolf - Kishner reduction is ______.


What is the number of different products formed when mixture of ethanal and propanal reacts with aq. NaOH after warming?


Which of the following compounds does not undergo a haloform reaction?


Write the structure of the major product of the aldol condensation of benzaldehyde with acetone.


Give two examples which undergo Wolf-Kishner reduction.


How will you prepare Acetic anhydride from acetic acid ?


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