General Organic Chemistry

For the estimation of nitrogen, 1.4 g of an organic compound was digested by Kjeldahl method and the evolved ammonia was absorbed in 60 mL of $\dfrac{M}{10}$ sulphuric acid. The unreacted acid required 20 mL of $\dfrac{M}{10}$ sodium hydroxide for complete neutralization. The percentage of nitrogen in the compound is :

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

The major product of the reaction
$$\ce{(CH3)2C(NH2)-C(OH)(CH3)2 ->[NaNO2/H2SO4]}$$
is :

In which of the following pairs A is more stable than B ?

Consider the coordination compound, $\ce{[Co(NH3)6]Cl3}$. In the formation of this complex, the species which acts as the Lewis acid is :

In the presence of peroxide, HCl and HI do not give anti-Markownikoff's addition to alkenes because :

The major product obtained in the photo catalysed bromination of 2-methylbutane is :

The correct IUPAC name of the following compound is :

Which one of the following substituents at para-position is most effective in stabilizing the phenoxide ion ($\ce{C6H5O-}$) ?

Which one of the following compounds will not be soluble in sodium bicarbonate ?

Among P, Q, R and S, the aromatic compound(s) is/are

The hyperconjugative stabilities of tert-butyl cation and 2-butene, respectively, are due to

Identify the binary mixture(s) that can be separated into individual compounds, by differential extraction, as shown in the given scheme.

Which of the following molecules, in pure form, is (are) unstable at room temperature?

Among the following compounds, the most acidic is

The total number of contributing structures showing hyperconjugation (involving C-H bonds) for the following carbocation is

Match the reactions in column I with appropriate types of steps/reactive intermediate involved in these reactions as given in column II

The correct structure of ethylenediaminetetraacetic acid (EDTA) is

The total number of basic groups in the following form of lysine is

Amongst the following, the total number of compounds soluble in aqueous NaOH is