List of top Chemistry Questions

Separation of Acetone and Benzene from their mixture is carried out by
When soap is added on an oily part of cloth, the hydrocarbon part of soap dissolves in
How many isomers of monobromoderivatives are obtained on bromination of the following compound ?
Which gas among the following contains maximum number of molecules at STP ?
(Molar masses in g mol$^{-1}$: CO$_2$ = 44, Ar = 39.9, CH$_4$ = 16, O$_2$ = 32)
Which of the following compounds is obtained when quaternary ammonium hydroxide is strongly heated ?
Which of the following oxyacid of sulphur contain both S=S and S=O bonds ?
Which of the following compounds on heating with potassium permanganate and dilute sulphuric acid forms adipic acid ?
How many lone pair of electrons are present on chlorine atom in chlorous acid ?
Which oxide formation according to Ellingham diagram shows a graph with sudden change in slope?
What is the formula of lithium imide?
What is the percentage of void space in bcc type of unit cell?
What is the number of carbon atoms in alkanes found in diesel?
Identify the ore of magnesium from following ?
Identify the correct statement from following
Sodium salt of $\alpha$-halogen carboxylic acid when heated with sodium nitrite and followed by hydrolysis forms
What is the position of elements La (Z = 57) and Ce (Z = 58) respectively in the long form of periodic table?
Identify product ‘C’ in following reaction
\[ \mathrm{C_2H_5OH \xrightarrow[\text{Pyridine}]{SOCl_2} A \xrightarrow{C_2H_5ONa} B \xrightarrow[\Delta,\ Pressure]{dil.\ H_2SO_4} C} \]
Which among the following orbitals form Delta ($\delta$) molecular orbitals?
What is the formal charge on hydrogen atom in water molecule?
I.U.P.A.C. name of the following compound is
Which among the following is a heaviest isotope of water?
What is the type of hybridisation and the geometry respectively found in $\mathrm{[CoF_6]^{3-}$?}
Which of the following ionic species has highest precipitating power?
IUPAC name of benzylamine is
Half life of first order reaction is 20 minutes. What is the time taken to reduce the initial concentration of the reactant to $\dfrac{1{10}$th?}