List of top Chemistry Questions

The colligative properties depend upon
The closed vessel of volume $0.02m^3$ contaihs mixture of two gases Neon & Argon the total mass of mixture is 28 gm. The mass of individual gases in vessel is $(M_{neon}=20,M_{argon }=40,R=8.3.l/mol-$
The coagulation of colloidal particles of the sol can be caused by
The chief reaction product of reaction between n-butane and bromine at 130?C is :
The chemical reagent used for leaching of gold and silver ores is
The chemical name of aspirin is
The chemical composition of cryolite mineral is
The charge on cobalt in $ {[Co(CN)_6 ]^{3-}}$ is
The charge on $1$ gram ions of $Al^{3+}$ is
The cell constant is the product of resistance and
The cell reaction of the galvanic cell :$Cu (r)|Cu^2+(aq) ||Hg^{2+}(aq) Hg | (l)$ is
The cause of Brownian movement is
The catalytic activity of transition metals and their compounds is ascribed mainly to
The catenation tendency of C, Si and Ge is in the order Ge < Si < C. The bond energies (in kJ mol$^{-1}$) of C - C, Si - Si and Ge -Ge bonds are respectively;
The carbon atom of the carbonyl group is
The carbide of which of the following metals on hydrolysis gives allylene or propyne?
The Bronsted acid which gives the weakest conjugate base is
The bond energy of an O - H bond is 109 k cal/mole. When a mole of water is formed then
The bond angle in $PH_3$ is close to
The bond between phosphate and hydroxyl group of sugar in nucleic acid is
The bond angle in $H_2S$ is
The boiling points of hydrides of group 16 are in the order
The bleaching properties of $H_2O_2$ are due to its
The best method to prepare neopentyl chloride is
The basicity of phosphorus acid is