List of top Chemistry Questions

180 g of glucose, \(C_6H_{12}O_6\), is dissolved in 1 kg of water in a vessel. The temperature at which water boils at 1.013 bar is ______ (given, \(K_b\) for water is 0.52 K kg mol\(^{-1}\)). Boiling point for pure water is 373.15 K
Ethyl alcohol is heated with concentrated sulphuric acid at 413 K (140°C). The major product formed is
The correct sequence of \(\alpha\)-amino acid, hormone, vitamin, carbohydrates respectively is

The major product formed when 1 - Bromo-3-Chlorocyclobutane reacts with metallic sodium in dry ether is 

In the reaction between hydrogen sulphide and acidified permanganate solution,
Among the following 0.1 m aqueous solutions, which one will exhibit the lowest boiling point elevation, assuming complete ionization of the compounds in solution?

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

For a given half cell, \( \text{Al}^{3+} + 3e^- \rightarrow \text{Al} \) on increasing the concentration of aluminium ion, the electrode potential will
According to the Heisenberg's Uncertainty principle, the value of \(\Delta v \cdot \Delta x\) for an object whose mass is \(10^{-6}\) kg is

Match List-I with List-II and select the correct option: 

Given below are the atomic masses of the elements: 

Which of the following doesn't form triad? 
 

Given below are two statements.
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 

Which of the following reagents are suitable to differentiate Aniline and N-methylaniline chemically?
Identify the incorrect statements among the following:
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 examples of carbohydrates exhibit \(\alpha\)-link (\(\alpha\)-glycosidic link) in their structure?
Which one of the following reactions has
\(\Delta H = \Delta U\)?

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

Which of the following methods of expressing concentration are unitless?
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.

Which of the following is not an aromatic compound? 

Match the following and select the correct option for the quantity of electricity, in Cmol\(^{-1}\), required to deposit various metals at the cathode.
If \(N_2\) gas is bubbled through water at 293 K, how many moles of \(N_2\) gas would dissolve in 1 litre of water? Assume that \(N_2\) exerts a partial pressure of 0.987 bar. [Given \(K_H\) for \(N_2\) at 293 K is 76.48 K bar]