Therefore, Benzaldehyde does NOT give Fehling’s test.
Advertisements
Advertisements
प्रश्न
Benzaldehyde does NOT show positive test with ______.
पर्याय
Schiff reagent
Tollens' reagent
Sodium bisulphite solution
Fehling solution
MCQ
रिकाम्या जागा भरा
Advertisements
उत्तर
Benzaldehyde does NOT show positive test with Fehling solution.
Explanation:
Benzaldehyde is an aromatic aldehyde. Aromatic aldehydes do not reduce Fehling solution, so the test is negative. But they do give:
- Schiff test
- Tollens’ test
- Sodium bisulphite addition
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
Write a note on Stephen reaction.
Write reaction showing aldol condensation of cyclohexanone.
Aldol condensation between which of the following compounds followed by dehydration gives 4-Methylpent-3-en-2-one?
The product formed after reaction between benzaldehyde and methyl magnesium iodide followed by acid hydrolysis is ____________.
Which of the following is Schiff's reagent?
Which of following is not a property of red phosphorus?
Which of the following represents the structure of isopropyl methyl ketone?
The compound which does NOT undergo haloform reaction is ____________.
Following reaction is an example of ____________.
\[\ce{Benzaldehyde ->[Nitration] {m}-Nitrobenzaldehyde}\]
Which of the following reagents is used to avoid further oxidation of aldehydes?
\[\ce{Benzoic acid ->[i) NH3][ii) \Delta] A ->[NaOBr] B ->[NaNO2/HCl] C}\] ‘C’ is:
Assertion: p-N, N-dimethyl amino benzaldehyde undergoes benzoin condensation
Reason: The aldehydic (−CHO) group is meta directing.
In which of the following reactions new carbon-carbon bond is not formed?
Identify A, B, C and D.
\[\ce{ethanoic acid ->[SOCl2] A ->[Pd/BaSO4] B ->[NaOH] C ->[][\Delta] D}\]
What is the action of HCN on ethanal?
How will you prepare ethyl acetate from methyl acetate?
How will you prepare cinnamic acid from benzaldehyde?
How propanal is converted into propane.
In the above reaction, product (B) is:
Which of the following reaction does not involve either oxidation or reduction?
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.
Give two examples which undergo Wolf-Kishner reduction.
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.
Which from following compounds does NOT undergo haloform reaction?
