List of top Chemistry Questions

In the titration of potassium permanganate (KMnO\(_4\)) against Ferrous ammonium sulphate (FAS) solution, dilute sulphuric acid but not nitric acid is used to maintain acidic medium, because

Match the following with their pKa values 

In the complex ion  Fe(C2O4)3  the Co-ordination number of Fe is

Match the compounds given in List-I with the items given in List-II

In the given graph, \( E_a \) for the reverse reaction will be 

Which of the following reaction/s does not yield an amine?
Which of the following has the most acidic Hydrogen?
Which of the following methods of expressing concentration are unitless?
Which one of the following reactions has
\(\Delta H = \Delta U\)?
Which formula and its name combination is incorrect?

Which of the following is not an aromatic compound? 

Arrange the following compounds in their decreasing order of reactivity towards nucleophilic addition reaction.

The organic compound can be classified as 

In the following pairs, the one in which both transition metal ions are colourless is
Select the INCORRECT statement/s from the following:
Match the following and select the correct option for the quantity of electricity, in Cmol\(^{-1}\), required to deposit various metals at the cathode.
Oxidation of Toluene with chromyl chloride followed by hydrolysis gives Benzaldehyde. This reaction is known as
Which of the following reagents are suitable to differentiate Aniline and N-methylaniline chemically?
In the reaction between hydrogen sulphide and acidified permanganate solution,
For a given half cell, \( \text{Al}^{3+} + 3e^- \rightarrow \text{Al} \) on increasing the concentration of aluminium ion, the electrode potential will
Which of the following statements is/are true about equilibrium?
According to Le Chatelier's principle, in the reaction \( \text{CO}(g) + 3\text{H}_2(g) \rightleftharpoons \text{CH}_4(g) + \text{H}_2\text{O}(g) \), the formation of methane is favoured by
The equilibrium constant at 298 K for the reaction \( A + B \rightleftharpoons C + D \) is 100. If the initial concentrations of all the four species were 1 M each, then equilibrium concentration of D (in mol/L) will be
A ligand which has two different donor atoms and either of the two ligates with the central metal atom/ion in the complex is called
The change in hybridisation (if any) of the 'Al' atom in the following reaction is
AlCl3 + Cl- → AlCl4-