List of top Chemistry Questions

In the presence of an acid, hydrolysis of methyl cyanide produces

The number of $P ??OH$ bonds and the oxidation state of phosphorus atom in pyrophosphoric acid $(H_4P_2O_7)$ respectively are

Two different gases enclosed in different flasks $A$ and $B$ at same temperature and pressure were found to contain same number of molecules. The ratio of volumes of the flasks $A$ and $B$ must be

Phenol undergoes Kolbe?? reaction whereas ethanol does not. Phenoxide ion is more basic than ethoxide ion.

In order to protect, iron from corrosion, the iron is coated with

By the electrolysis of aqueous solution of $CuSO_{4}$, the products obtained at both the electrodes are

Which of the following does not exist?

Which of the following species, is planar?

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

A certain compound X when treated with copper sulphate solution yields a brown precipitate. On adding hypo solution, the precipitate turns white. The compoundXis

Lassaigne's test for the detection of nitrogen fails in

The weakest among the following types of bond is