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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.
Observe the following equation of reaction of Tollens' reagent with aldehyde. How do we know that a redox reaction has taken place? Explain.
\[\ce{R-CHO + 2Ag(NH_{3})^{+}_{2} + OH^{-}->[\triangle] R-CO{O}^{-} + 2Ag↓ + 4NH3 + 2H2O}\]
Write a reaction to distinguish acetaldehyde from acetone.
Benzaldehyde gives all tests positive EXCEPT ____________.
The product formed after reaction between benzaldehyde and methyl magnesium iodide followed by acid hydrolysis is ____________.
Ethyl methyl ketone can be reduced to n-butane by which of the following reactions?
Compounds of general formula, are called ____________.
\[\begin{array}{cc} \phantom{...}\ce{R}\phantom{....}\ce{OR'}\phantom{}\\ \phantom{}\backslash\phantom{..}/\\ \ce{C}\\ \phantom{}/\phantom{..}\backslash\\ \phantom{...}\ce{H}\phantom{....}\ce{OR'}\phantom{} \end{array}\]
The compound which does NOT undergo haloform reaction is ____________.
Which of the following will give positive iodoform test?
Following reaction is an example of ____________.
\[\ce{Benzaldehyde ->[Nitration] {m}-Nitrobenzaldehyde}\]
Which of the following is a Wolf - Kishner reduction?
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\[\ce{Benzoic acid ->[i) NH3][ii) \Delta] A ->[NaOBr] B ->[NaNO2/HCl] C}\] ‘C’ is:
Identify the product formed in the reaction.
Carboxylic acids have higher boiling points than aldehydes, ketones and even alcohols of comparable molecular mass. It is due to their ____________.
What is the action of HCN on 2, 4-dichlorobenzaldehyde?
What is the action of HCN on ethanal?
Identify A, B and C.
How will you prepare malachite green from benzaldehyde?
How will you prepare cinnamic acid from benzaldehyde?
Which of the following compound will show a positive silver mirror test?
Which one of the following reactions will not result in the formation of a carbon-carbon bond?
Which of the following compound will give positive iodoform test?
Write the structure of the major product of the aldol condensation of benzaldehyde with acetone.
How will you prepare acetic anhydride from acetic acid.
How will you prepare Acetic anhydride from acetic acid.
Write the structure of the major product of the aldol condensation of benzaldehyde with acetone.
Which from following tests confirms presence of aldehydic group in glucose?
