List of top Chemistry Questions

The number of sodium atoms in $2$ moles of sodium ferrocyanide is:
According to Bohr's principle, the relation between principle quantum number $(n)$ and radius of orbit is :
The state of hybridisation of $B$ in $ BC{{l}_{3}} $ is:
Which is more acidic ?
Sucrose, a common sugar, is composed of
What is the pressure of 2 mole of $NH_3$ at 27$^\circ$C when its volume is 5 lit. in van der Waals equation (a = 4.17, b = 0 .03711)
When methyl-t-butyl ether is formed ?
N forms $NCl_3$ whereas P can form both $PCl_3$ and $PCl_5$. Why ?
Which of the following pairs give positive Tollen?s test?
Which of the following pairs give positive Tollen's test?
The methods chiefly used for the extraction of lead and tin from their ores are respectively
The compound having tetrahedral geometry is
Spin only magnetic moment of the compound $Hg[Co(SCN)_4] $ is
Acetaldehyde cannot show
A sodium salt of an unknown anion when treated with $ MgCl_2 $ gives white precipitate only on boiling. The anion is
2-Hexyne gives trans-2-hexene on treatment with
Which of the following has -O-O- linkage?
Spontaneous adsorption of a gas on solid surface is an exothermic process, because
$(NH_4)_2Cr_2 O_7$ on heating gives a gas which is also given by
When $I^-$ is oxidised by $MnO_4^-$ in alkaline medium, $I^-$ converts into
The correct statement(s) for orthoboric acid is/'are
Yellow phosphorus is kept in:
Which of the following forms molecular solid?
Which of the following acids is monobasic?
What is obtained, when potassium succinate solution is electrolysed?