List of top Chemistry Questions

Which of the following is not true about e.m.f. of a cell?

The type of isomerism not exhibited by alkenes is

When alkyl halides are heated with dry $Ag_2O$, they give

Which of the following gases will have the highest rate of diffusion?

Acetamide and ethylamine can be distinguished by reacting with

An aqueous solution containing 1 g of urea boils at 100.25$^\circ$C. The aqueous solution containing 3 gof glucose in the same volume will boil be

Equal volumes of 0.1 M $AgNO_3$ and 0.2 M NaCl are mixed. The concentration of $NO^-_3$ ions in the mixture will be

A bivalent metal has the equivalent weight of $12$. The molecular weight of its oxide will be

The weight of a metal of equivalent weight $12$, which will give $0.475\, g$ of its chloride, is

Heterolytic fission of an organic covalent bond gives only

Which of the following has unchanged valency ?

The compound containing coordinate bond is

Which of the following will not undergo aldol condensation?

Which of the following elements will have the highest electron affinity ?

When excess of water is added to $BiCl_3$ solution

When chloroform is exposed to air and sunlight, it gives

Which one of the following elements can have both positive and negative oxidation state ?

Which of the following phenomena will occur when two atoms of the elements having same spin of electron approach for bonding ?

Which of the following is a polyamide ?

The turgidity of a polymer solution measures

The long form of Periodic Table is based on

The hybrid states of carbon in diamond, graphite and acetylene are respectively

Noble gases do not react with other elements because

$MgCl_2.6H_2O$ when heated gives

Physical adsorption of molecules on surface requires activation energy. Because the bonds of the adsorbed molecules are broken.