HARD
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In the reaction,

Ph-CC-CH3HgSO4HO-A,

A is:

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Important Questions on Hydrocarbons

MEDIUM

In the following reaction sequence

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X and Y are, respectively

EASY
The pair of electron in the given carbanion, CH3CC  is present in which of the following orbitals?
EASY
A compound Xformed after heating coke with lime reacts with water to give Ywhich on passing over red - hot iron at 873K produces Z. The compound Z is:
EASY
2, 3-dibromobutane can be converted to 2-butyne in two-step reaction using
MEDIUM
The hydrocarbon which can react with sodium in liquid ammonia is
MEDIUM

In the reaction

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x and y , respectively, are

MEDIUM
The major organic compound formed by the reaction of 1, 1, 1 - trichloroethane with silver powder is :
HARD
Consider the following reactions:
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‘A’ is:
MEDIUM
The major product formed in the following reaction is H3C-CC-CH3+Naliquid NH3
HARD

In the following reaction

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X and Y, respectively, are

EASY

Which among the following depicts the correct order of acidity?

MEDIUM
The major product Y in the following reactions is:
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EASY
Predict the correct intermediate and product in the following reaction

H3C-CCHHgSO4H2O, H2SO4intermediateproduct(A)(B)
MEDIUM
Phenylacetylene on treatment with HgSO 4 /H 2 SO 4 , H 2 O produces
MEDIUM

The major product of the following reaction is

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HARD
An unsaturated hydrocarbon 'X'gives white precipitate with Tollen's reagent. If X is gaseous in nature, the molecular formula of X is
MEDIUM
What is the special feature of the structure of ethyne?
EASY

Name the following organic compound:

The compound formed by complete chlorination of ethyne.

MEDIUM

The correct sequence of reagents for the following conversion will be

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HARD
The reaction(s) leading to the formation of 1, 3, 5-trimethylbenzene is (are)