MEDIUM
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An organic diketone (A) having molecular formula C14H10O2 when undergo reaction with hydroxyl ion (OH-) converted into benzilic (B) acid after acidification.

The molecular structure of (A) and (B) are

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Important Questions on Aldehydes, Ketones and Carboxylic Acids

EASY
In the following reaction
Aldehyde+AlcoholHClAcetal
Aldehyde  Alcohol
HCHO t-BuOH
CH3CHO  MeOH
The best combination is:
EASY
The product formed by the reaction of an aldehyde with a primary amine is:
HARD
The test performed on compound x and their inferences are:
 
Test Inference
a 2, 4 - DNP test Coloured precipitate yellow
b Iodoform test Yellow precipitate
c Azo-dye test No dye formation

Compound x is:

MEDIUM
Which of the following reagents would distinguish cis-cyclopenta-1, 2-diol from the trans-isomer?
HARD
In the following reaction sequence, the amount of D (in g) formed from 10 moles of acetophenone is ____.

(Atomic weights in mol-1: H=1,C=12,N=14,O=16,Br=80.  The yield (%) corresponding to the product in each step is given in the parenthesis)

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HARD

Reagent(s) which can be used to bring about the following transformation is(are)


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MEDIUM

The increasing order of the reactivity of the following with LiAlH4 is:

(A) Question Image

(B) Question Image

(C) Question Image

(D) Question Image

HARD
In the reaction sequence

2CH3CHO OH- A  B ; the product B is:
EASY
Reaction of a carbonyl compound with one of the following reagents involves nucleophilic addition followed by elimination of water. The reagent is:
MEDIUM
Which is the main organic product obtained by the reaction of 2, 2, 2 trichloro ethanal with calcium hydroxide?