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प्रश्न
How propanal is converted into propane.
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उत्तर
\[\ce{\underset{(Propanal)}{CH3 - CH2} - CHO + 4[H] ->[Zn-Hg, conc.HCl][Δ] \underset{(Propane)}{CH3 - CH2} - CH3 + H2O}\]
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संबंधित प्रश्न
Benzaldehyde does NOT show positive test with ______.
Answer in brief.
Write reaction showing conversion of Acetaldehyde into acetaldehyde dimethyl acetal.
_____________ reaction is used to synthesize straight alkyl substituted benzenes.
The following compounds will give positive Fehling’s test.
Write another name of disproportionation reaction?
The product formed after reaction between benzaldehyde and methyl magnesium iodide followed by acid hydrolysis is ____________.
Identify the INCORRECT reaction.
Compounds of general formula, are called ____________.
\[\begin{array}{cc} \phantom{...}\ce{R}\phantom{....}\ce{OR''}\phantom{}\\ \phantom{}\backslash\phantom{..}/\\ \ce{C}\\ \phantom{}/\phantom{..}\backslash\\ \phantom{...}\ce{R'}\phantom{...}\ce{OR''}\phantom{} \end{array}\]
Compounds of general formula, are called ____________.
\[\begin{array}{cc} \phantom{...}\ce{R}\phantom{....}\ce{OR'}\phantom{}\\ \phantom{}\backslash\phantom{..}/\\ \ce{C}\\ \phantom{}/\phantom{..}\backslash\\ \phantom{...}\ce{H}\phantom{....}\ce{OR'}\phantom{} \end{array}\]
Which of the following will give positive iodoform test?
\[\ce{CH2 = CH2 ->[i) O3][ii) Zn/H2O] X ->[NH3] Y}\] ‘Y’ is:
Which of the following represents the correct order of acidity in the given compounds.
\[\ce{Ethanoic acid ->[P/Br2] 2-bromoethanoic acid}\]. This reaction is called ____________.
\[\ce{CH3Br ->[KNC] (A) ->[H3O^+] (B) ->[PCl5] (C)}\] product (C) is:
Identify A, B and C.
How will you convert benzaldehyde into the following compound?
α-hydroxy phenyl acetic acid
How is the following conversion effected Hex-3-yne into hexan-3-one?
How will you prepare acetophenone from acetyl chloride?
The reagent used in Wolf - Kishner reduction is ______.
Which one of the following reactions will not result in the formation of a carbon-carbon bond?
Which of the following compounds will undergo self-aldol condensation in the presence of cold dilute alkali?
Which of the following is most reactive towards the addition reaction of hydrogen cyanide to form the corresponding cyanohydrin?
Which of the following compounds does not undergo a haloform reaction?
Aldehydes are readily oxidised to yield carboxylic acids but ketones are inert to oxidation. Which is the most likely explanation regarding this difference in reactivity?
A carbonyl compound A having molecular formula C5H10O forms crystalline precipitate with sodium bisulphate and gives positive iodoform test. A does not reduce Fehling solution. Identify A.
Write the structure of the major product of the aldol condensation of benzaldehyde with acetone.
Write the structure of the major product of the aldol condensation of benzaldehyde with acetone.
Write the structure of the major product of the aldol condensation of benzaldehyde with acetone.
