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Which one of the following has the smallest heat of hydrogenation per mole?
(a)butene
(b)Trans-butene
(c)Cis-butene
(d)Butadiene

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Important Questions on Organic Chemistry- Some Basic Principles and Techniques
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The compound that does NOT liberate CO2, on treatment with aqueous sodium bicarbonate solution, is

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Given,

The enthalpy of hydrogenation of these compounds will be in the order as:

EASY
In case of substituted aniline the group which decreases the basic strength is

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Considering the basic strength of amines in an aqueous solution, which one has the smallest value?

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The correct order for acid strength of compounds and is as follows:

EASY
Among the following oxoacids, the correct decreasing order of acid strength is :

HARD
The correct order of strengths of carboxylic acids is


HARD
The increasing order of the of the following compund is:





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The increasing basicity order of the following compounds is:

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Which one of the following esters gets hydrolyzed most easily under alkaline conditions?

HARD
The increasing order of basicity of the following compounds is :


HARD
The correct order of acidity for the following compounds is :


EASY
The which contribute least to the basicity of the compound is :


EASY
The correct increasing order of the basic strength for the following compounds is:


HARD
What is the order of basicity among the following compounds?

HARD
An organic compound showing the following solubility profile is:


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The correct order of the basis strength of methyl substituted amines in aqueous solution is:

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The correct order of basicity is

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The correct statement regarding the basicity of aryl amines is:

HARD
Consider the following four compounds I, II, III, and IV.
Choose the correct statement(s).

