HARD
Earn 100

Column I
Column II
S.No.
Reaction
Reagent
a.

p.
b.

q.
HCN/H3O⊕
c.

r.
CH3MgBr/H3O⊕
d.

s.
Ph3P=CH-CH3
e.

t.
i. CH3 Mg Br/H3O⊕ ii. H2SO4 iii. NBS iv. H2 + Pt v. Alc. KOH
f.

u.
i. C2 H5 Mg Br/H3O⊕ ii. Conc. H2SO4 iii. NBS iv. Alc. KOH






(a)(a → p; b → q; c → r; d → s; e → t; f → u)
(b)(a → s; b → t; c → p; d → u; e → q; f → r)
(c)(a → q; b → r; c → s; d → t; e → u; f → p)
(d)(a → u; b → t; c → s; d → r; e → q; f → p)

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Important Questions on Aldehydes, Ketones and Carboxylic acids
MEDIUM
The major product of the following reaction is:

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:

HARD
The major product obtained in the following reaction is:

HARD
In the reaction sequence
; the product B is:

MEDIUM
The major product 'X' formed in the following reaction is:

EASY
Reaction of a carbonyl compound with one of the following reagents involves nucleophilic addition followed by elimination of water. The reagent is:

HARD
The major product of the following reaction is:

MEDIUM
The major product B formed in the following reaction sequence is:


EASY
In the following reaction

MEDIUM
In the following reactions, products and are:

MEDIUM
In the following reactions
X and Y are

EASY
The product formed by the reaction of an aldehyde with a primary amine is:

HARD
Treatment of cyclopentanone


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

EASY
An organic compound 'X' having molecular formula yields phenyl hydrazone and gives negative response to the iodoform test and Tollen's test. It produces n-pentane on reduction. 'X' could be:

MEDIUM
Formaldehyde on reaction with ammonia gives a compound , which is on nitration yields cyclonite. The compound is

EASY
In the reaction sequence
The major product X and Y, respectively, are

MEDIUM
The major product formed in the following reaction is:

MEDIUM
Which of the following reagents would distinguish cis-cyclopenta-1, 2-diol from the trans-isomer?

HARD
The major product of the following reaction sequence is


