List of top Chemistry Questions

All elements in $ \text{IIIA} $ group, have:
The bond angle around the atom which uses $sp^2$ hybrid orbitals is
Which of the following ions has the highest magnetic moment?
Which of the following statements, is not characteristic of free radical chain reaction?
What is obtained, when propionic acid is reduced with HI, in presence of phosphorus?
The reaction, $ C{{H}_{3}}COCl\xrightarrow[2H]{Pd/BaS{{O}_{4}}}C{{H}_{3}}CHO+HCl $ is called:
The product, when glycerol is heated with oxalic acid at $ 110{}^\circ C, $ is:
The monomer of PMMA is:
Formic acid and acetic acid can be distinguished by:
By passing $H_2S$ gas in acidified $KMnO_4$ solution, we get
Among the lanthanides, the one obtained by synthetic method is
In which of the following reactions, there is no change in valency ?
Brown ring test is used to detect
Lassaigne's test for the detection of nitrogen fails in
A certain compound X when treated with copper sulphate solution yields a brown precipitate. On adding hypo solution, the precipitate turns white. The compoundXis
The weakest among the following types of bond is

The O-O-H bond angle in \(H_2O_2\) is

Schotten-Baumann reaction is a reaction of phenols with
The temperature of the gas is raised from $27^\circ C\, to\, 927^\circ C$ the root mean square velocity is
The distance between two adjacent carbon atoms is largest in
50 mL of hydrogen diffuses out through a small hole of a vessel, in 20 minutes. The time taken by 40 mL of oxygen to diffuse out is
Phosphorus has the oxidation state of + 3 in
Peptide bond is a key feature in
The common oxidation states of Ti are
The boiling point of p-nitrophenol is higher than that of o-nitrophenol because