List of top Chemistry Questions

Identify the IUPAC name for the coordination compound \( [Co(NH_3)_6]Cl_3 \).
Which of the following is an example of a condensation polymer?
Identify the IUPAC name for the coordination compound \( [Co(NH_3)_6]Cl_3 \).
What is the major product formed when phenol reacts with bromine water?
Which electrolyte is most effective in the coagulation of a negative sol like \(As_2S_3\)?
A compound is formed by elements \(X\) and \(Y\). \(Y\) atoms make CCP and \(X\) atoms occupy all octahedral voids. What is the formula?
For a first-order reaction, the unit of rate constant is: ____.
Which has highest acidity? ____.
For \(2N_2O_5 \rightarrow 4NO_2 + O_2\), if rate is \(1.02 \times 10^{-4}\) and \(k = 3.4 \times 10^{-5}\,s^{-1}\), find the concentration of \(N_2O_5\).
What is the maximum number of electrons that can be accommodated in a subshell with orbital angular momentum quantum number \(l = 3\)?
If \(P_A^{0}\) and \(P_B^{0}\) are the vapour pressures of pure liquids A and B, what is the total pressure of an ideal solution where the mole fraction of A is \(0.4\)?
Calculate the pH of a \(0.01\,M\) \(HCl\) solution.
A compound is formed by two elements \(X\) and \(Y\). Atoms of \(Y\) make ccp and those of element \(X\) occupy all the octahedral voids. What is the formula of the compound?
Identify the monomer units used in the preparation of Nylon-6,6.
Calculate the de Broglie wavelength of an electron accelerated through a potential difference of \(100V\).
What is the coordination number of Fe in the complex \([Fe(C_2O_4)_3]^{3-}\)?
The descending order of basic strength of the following amines is
(i) N-Methylbenzenamine (ii) N,N'-Dimethylbenzenamine (iii) Benzenamine (iv) Phenylmethanamine
Benzene diazonium chloride on treatment with HCl in the presence of copper powder gives chlorobenzene. This reaction is termed as
Vigorous oxidation of n-propylbenzene with alkaline potassium permanganate ($\mathrm{KMnO_4/KOH/\Delta}$) followed by hydrolysis gives
The relative ease of dehydration of the following alcohols is
(i) Propan-2-ol (ii) Propan-1-ol (iii) 2-Methylpropan-2-ol
Which of the following is a commercial method of manufacture of benzaldehyde?
When 2-methylbutan-2-ol is treated with Lucas reagent (conc. HCl and $\mathrm{ZnCl_2}$) at room temperature, the product obtained is
An alkene, \(\mathrm{C_3H_6}\) (X), on treatment with HBr in presence of peroxide gives (Y). The compound (Y) on treatment with \(\mathrm{AgNO_2}\) in ethanol gives (Z). The compounds (X), (Y) and (Z) are respectively
When sodium fusion extract is treated with sodium nitroprusside, the appearance of violet colour is due to the formation of
The formula of pentaamminecarbonatocobalt(III) chloride is