Organic Compounds Containing Nitrogen

Consider the following organic reaction sequence. Choose the final product (X) from the following (consider the major product in all intermediate reactions): $\mathrm{CH_3CH_2COOH}$ $\xrightarrow{\text{(i) } \mathrm{NH_3}/\Delta\ \text{(ii) } \mathrm{NaOH/Br_2}\ \text{(iii) } \mathrm{HNO_2/H_2O},\ 0^\circ\mathrm{C}\ \text{(iv) } \mathrm{C_6H_5N_2Cl},\ 0^\circ\mathrm{C}}$ (X) Major Product

Consider the following reactions sequence: 4-nitrotoluene ($\mathrm{H_3C-C_6H_4-NO_2}$, para) $\xrightarrow{\text{(i) Sn/HCl; }\mathrm{OH^-}\text{ (ii) }\mathrm{(CH_3CO)_2O}\text{ (iii) }\mathrm{Br_2/AlBr_3}\text{ (iv) }\mathrm{H_3O^+}}$ Major Product (P). When the product (P) is subjected to Carius analysis using $\mathrm{AgNO_3}$, 1.0 g of the product (P) will produce ______ g of the precipitate of AgBr. (Nearest Integer) (Given : molar mass in g mol$^{-1}$ C : 12, H : 1, O : 16, N : 14, Br : 80, Ag : 108)

Product C of the following reaction sequence will be: aniline $\xrightarrow{\mathrm{Br_2/water}}$ A (Major product) $\xrightarrow{\mathrm{NaNO_2/HCl},\ 273-278\ \mathrm{K}}$ B $\xrightarrow{\text{(i) }\mathrm{HBF_4}\text{ (ii) }\mathrm{NaNO_2,Cu},\Delta}$ C

The strongest conjugate acid will result from:

Benzyl isocyanide can be obtained from A. Benzyl bromide $\xrightarrow{\mathrm{AgCN}}$ B. Benzylamine $\xrightarrow{\mathrm{CHCl_3},\ \text{Aq NaOH}}$ C. Bromobenzene $\xrightarrow{\mathrm{AgCN}}$ D. Aniline $\xrightarrow{\mathrm{CHCl_3},\ \text{Aq NaOH}}$ E. 2-Phenylethyl bromide $\xrightarrow{\mathrm{KCN}}$. Choose the correct answer from the options given below:

Identify the incorrect statements. A. Benzylamine is a stronger base than aniline. B. p-Methoxyaniline can be synthesized by Gabriel phthalimide synthesis. C. 2-Phenylethanamide $\xrightarrow{\mathrm{Br_2,\ NaOH}}$ primary aromatic amine. D. p-Nitroaniline $\xrightarrow{\text{(i) }\mathrm{NaNO_2,\ HCl},\ 0^\circ\mathrm{C}\ \text{(ii) }\Delta}$ product will dissolve in NaOH. Choose the correct answer from the options given below:

Given below are two statements : Statement I : Heating benzamide with bromine in an ethanolic solution of sodium hydroxide will give benzylamine. Statement II : Nitration of aniline with $\mathrm{HNO_3/H_2SO_4}$ at 288 K produces m-nitroaniline in higher amount than o-nitroaniline (pH adjusted). In the light of the above statements, choose the correct answer from the options given below :

Arrange the following compounds according to increasing order of boiling points. $\mathrm{n\text{-}C_4H_9OH}$ (A), $\mathrm{n\text{-}C_4H_9NH_2}$ (B), $\mathrm{n\text{-}C_4H_{10}}$ (C) and $\mathrm{C_2H_5NHC_2H_5}$ (D).

Consider the following sequence of reactions. $\mathrm{C_6H_5{-}N{=}N{-}NH{-}C_6H_5}\xrightarrow{\text{(i) HCl, (ii) Aniline (in excess), (iii) Warm 40–45°C, (iv) Cool, acetic acid}}$ Yellow Product (X). The percentage of nitrogen in the yellow product (X) formed is ________%. (Nearest Integer) (Given Molar mass in g mol$^{-1}$ H:1, C:12, N:14)

Which statements are True ? A. In Hoffmann bromamide degradation, 4 moles of NaOH and 2 moles of $\mathrm{Br_2}$ are consumed per mole of an amide. B. Hoffmann bromamide reaction is not given by alkyl amides. C. Primary amines can be synthesized by Hoffmann bromamide degradation. D. Secondary amide on reaction with $\mathrm{Br_2}$ and NaOH will give secondary amine. E. The by-products of Hoffmann degradation are $\mathrm{Na_2CO_3}$, NaBr and $\mathrm{H_2O}$. Choose the correct answer from the options given below :