List of top Chemistry Questions

In a solid $'AB'$ having the $NaCl$ structure, $'A'$ atoms occupy the corners of the cubic unit cell. If all the face centred atoms along one of the axes are removed, then the resultant stoichiometry of the solid is

I -propanol and 2-propanol can be best distinguished by

Acetophenone $(Ph-\overset{\underset{||}{O}}{C}- CH_3)$ is prepared in the laboratory by

The number of nodal planes in a $p_x$ orbital is

Saturated solution of $KNO_3$ is used to make -salt-bridge- because

The wavelength associated with a golf ball weighing 200 g and moving at a speed of 5 m/h is of the order

The quantum numbers $+\frac{1}{2}$ and $-\frac{1}{2}$ for the electron spin represent

Which carbide gives methane on hydrolysis?

When acetone reacts with bleaching powder, the compound formed is:

What is obtained by the dry distillation of calcium formate?

The oxidation of toluene to benzaldehyde, in presence of chromyi chloride, is called:

The IUPAC name of gammexane is:

$ HCl $ behaves as......in the reaction: $ HCl+HF\xrightarrow{{}}H_{2}^{+}Cl+{{F}^{-}} $

Diborane reacts with water to form:

Conjugated double bonds are present of these in:

An ore of potassium is:

When a catalyst is added to a system, the:

Which property is different for neutral atoms of the two isotopes of the same element?

A and B are two identical vessels. A contains 15 g of ethane at 298 K and 1 atm. The vessel B contains 75 g gas $ {{X}_{2}} $ at the same temperature and pressure. The vapour density of $ {{X}_{2}} $ is:

A mixture of benzene and aniline can be separated by:

What is the oxidation state of Cr in $ Cr{{O}_{5}} $ ?

The relationship which describes the variation of vapour pressure with temperature is called

\(\text {For\  the\  disproportionation\  of \ copper:}\) \(2Cu+→Cu^{+2}+Cu\), \(Eº\) \(\text {is:}\)
\((\text {Given \ Eº  \ for }\ Cu^{+2}/Cu \ \text {is}\  0.34\ V\ \text { and\   Eº \ for} \ Cu^{+2}/Cu^+\ \text { is}\  0.15\ V)\)

The cations and anions are arranged in alternate form in:

Which pair have not equal dimensions: