List of top Chemistry Questions

Arrange the following compounds in their decreasing order of reactivity towards nucleophilic addition reaction.
Oxidation of Toluene with chromyl chloride followed by hydrolysis gives Benzaldehyde. This reaction is known as
The correct statement/s about Galvanic cell is/are:
(a) Current flows from cathode to anode
(b) Anode is positive terminal
(c) If \(E_{\text{cell}} < 0\), then it is spontaneous reaction
(d) Cathode is positive terminal

Among the following, identify the compound that is not an isomer of hexane: 

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
Catalysts are used to increase the rate of a chemical reaction. Because it

Phenol can be distinguished from propanol by using the reagent
Given below are two statements.
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 number of orbitals associated with 'N' shell of an atom is

The organic compound can be classified as 

Statement-I: Reduction of ester by DIBAL-H followed by hydrolysis gives aldehyde.
Statement-II: Oxidation of benzyl alcohol with aqueous KMnO₄ leads to the formation of benzaldehyde.
Among the above statements, identify the correct statement.
Which of the following statements are true about \( [NiCl_4]^{2-} \)?
(a) The complex has tetrahedral geometry.
(b) Co-ordination number of Ni is 2 and oxidation state is +4.
(c) The complex is sp\(^3\) hybridised.
(d) It is a high spin complex.
(e) The complex is paramagnetic.
Identify the incorrect statements among the following:
In which of the following pairs, both the elements do not have \( (n-1)d^{10}ns^2 \) configuration?
Which one of the following reactions has
\(\Delta H = \Delta U\)?
Which of the following has the most acidic Hydrogen?
Select the INCORRECT statement/s from the following:
In the preparation of sodium fusion extract, the purpose of fusing organic compound with a piece of sodium metal is to
Which of the following reaction/s does not yield an amine?

Match List-I with List-II for the following reaction pattern: \[ \text{Glucose} \quad \text{Reagent} \quad \rightarrow \quad \text{Product} \quad \rightarrow \quad \text{Structural prediction} \] 

 

Ethyl alcohol is heated with concentrated sulphuric acid at 413 K (140°C). The major product formed is