MEDIUM
Earn 100
Explain Benzoin condensation reaction.
Important Questions on Carbonyl Compounds and Carboxylic Acids
HARD
Columns 1, 2 and 3 contain starting materials, reaction conditions and type of reactions respectively.
| Column 1 | Column 2 | Column 3 |
| (I) Toulene | (i) | (P) Condensation |
| (II) Acetophenone | (ii) | (Q) Carboxylation |
| (III) Benzaldehyde | (iii) | (R) Substitution |
| (IV) Phenol | (iv) | (S) Haloform |
HARD
In the following reaction sequence, the amount of (in g) formed from moles of acetophenone is ____.
(Atomic weights in The yield (%) corresponding to the product in each step is given in the parenthesis)
HARD
After completion of the reactions (I and II), the organic compound(s) in the reaction mixtures is(are):
MEDIUM
The major product in the following reaction is:
EASY
What is Formalin? Write its use.
MEDIUM
In the following reaction
carbonyl compound
Rate of the reaction is the highest for:
EASY
Reaction of a carbonyl compound with one of the following reagents involves nucleophilic addition followed by elimination of water. The reagent is:
MEDIUM
Identify Y in the above sequence of reactions
MEDIUM
Which of the following reagents would distinguish cis-cyclopenta-1, 2-diol from the trans-isomer?
HARD
The test performed on compound and their inferences are:
| Test | Inference |
| - test | Coloured precipitate yellow |
| Iodoform test | Yellow precipitate |
| Azo-dye test | No dye formation |
Compound is:
EASY
Which is the most suitable reagent for the following conversion?
MEDIUM
Aromatic aldehydes undergo electrophilic substitution reactions. Write the nitration reaction of benzaldehyde with chemical equation.
MEDIUM
The reagents and respectively are
MEDIUM
The major product of the following reaction is:
MEDIUM
For the reaction-
rate of reaction is faster, when is-
MEDIUM
Haloform reaction with and will be responded by
MEDIUM
The compound that does not undergo haloform reaction is
HARD
The major product of the following reaction is:
MEDIUM
How will you obtain following compound from benzaldehyde : (Give equation only)
Benzoyl chloride
EASY
Formalin is an aqueous solution of
