List of practice Questions

The Major Product in the above reaction is :

Which of the following is not a correct statement for primary aliphatic amines?

The total number of reagents from those given below, that can convert nitrobenzene into aniline is ___________. (Integer answer)
I. $ Sn - HCl $
II. $ Sn - NH_4OH $
III. $ Fe - HCl $
IV. $ Zn - HCl $
V. $ H_2 - Pd $
VI. $ H_2 - Raney \ Nickel $}

Identify correct A, B and C in the reaction sequence given below :

The major products A and B formed in the following reaction sequence are :

Correct statement about the given chemical reaction is :

Carbylamine test is used to detect the presence of primary amino group in an organic compound. Which of the following compound is formed when this test is performed with aniline ?

Which of the following reaction/s will not give p-aminoazobenzene ?

In the following reaction the reason why meta-nitro product also formed is :

'A' and 'B' in the following reactions ($C_6H_5NH_2 \xrightarrow{CHCl_3/KOH} A \xrightarrow{H_2O/H^+} B$) are :

In the reaction of hypobromite with amide, the carbonyl carbon is lost as :

An organic compound "A" on treatment with benzene sulphonyl chloride gives compound B. B is soluble in dil. NaOH solution. Compound A is :

Consider the given reaction, percentage yield of :

Which one of the products of the following reactions does not react with Hinsberg reagent to form sulphonamide?

Given below are two statements, one is labelled as Assertion (A) and other is labelled as Reason (R).
Assertion (A) : Gabriel phthalimide synthesis cannot be used to prepare aromatic primary amines.
Reason (R) : Aryl halides do not undergo nucleophilic substitution reaction.
In the light of the above statements, choose the correct answer from the options given below :

Considering the reaction of Aniline with $NaNO_2/HCl$ at $0-5^\circ$C to give X, which is then reacted with $H_3PO_2$, identify X and Y :

A reaction of 0.1 mole of Benzylamine with bromomethane gave 23 g of Benzyl trimethyl ammonium bromide. The number of moles of bromomethane consumed in this reaction are n × 10$^{-1}$, when n = _________. (Round off to the Nearest Integer).

The diazonium salt of which of the following compounds will form a coloured dye on reaction with β-Naphthol in NaOH ?

The total number of amines among the following which can be synthesized by Gabriel synthesis is _________. (A) ethylamine, (B) n-propylamine, (C) benzylamine, (D) aniline

1.86 g of aniline completely reacts to form acetanilide. 10% of the product is lost during purification. Amount of acetanilide obtained after purification (in g) is _________ × 10⁻².

Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A): Heavy water is used for the study of reaction mechanism.
Reason (R): The rate of reaction for the cleavage of O-H bond is slower than that of O-D bond.

The reaction rate for the reaction

where square brackets are used to denote molar concentrations. The equilibrium constant K$_c$ = __________ . (Nearest integer)}

The following data was obtained for chemical reaction given below at 975 K:

The order of the reaction with respect to NO is _________. (Integer answer)

The reaction that occurs in a breath analyser, a device used to determine the alcohol level in a person's blood stream is:
$2 K_2Cr_2O_7 + 8 H_2SO_4 + 3 C_2H_6O \to 2 Cr_2(SO_4)_3 + 3 C_2H_4O_2 + 2 K_2SO_4 + 11 H_2O$
If the rate of appearance of $Cr_2(SO_4)_3$ is $2.67 \, \text{mol min}^{-1}$ at a particular time, the rate of disappearance of $C_2H_6O$ at the same time is _________ $\text{mol min}^{-1}$. (Nearest integer)

The first order rate constant for the decomposition of CaCO$_3$ at 700 K is 6.36 $\times$ 10$^{-3}$ s$^{-1}$ and activation energy is 209 kJ mol$^{-1}$. Its rate constant (in s$^{-1}$) at 600 K is $x \times 10^{-6}$. The value of x is _________. (Nearest integer)
[Given R = 8.31 J K$^{-1}$ mol$^{-1}$; log 6.36$\times$10$^{-3}$=$-2.19$, 10$^{-4.79}$=1.62$\times$10$^{-5}$]