List of top Chemistry Questions

All the halogens are coloured due to

All ores are minerals, while all minerals are not ores because

All naturally occurring processes proceed spontaneously in a direction which leads to

Alkyl halides are immiscible in water though they are polar because

Alkali metals in each period have

Alkaline earth metals form dipositive ions instead of unipositive ions because

Alkyl chloride is formed when alcohol is treated with cone. HCI in the presence of anhydrous $ZnCI_2$. The order of reactivity with respect to alcohol is

Alkali metal halides except Li are soluble in water showing that they are

Alkali metals are not found in free state due to their highly reactive nature. This is due to

Aldehydes other than formaldehyde react with Grignard reagent to give addition products which on hydrolysis give

Aldol condensation will not be observed in

Aldehydes can be distinguished from ketones byusing

Alcohol fermentation is brought about by the action of

Alcohols of low molecular weight are

Alcohols reacts with Grignard reagent to form

Air pollution is not caused by

$AlCl_3$ is a

$ {AlCl3}$ on hydrolysis gives

$AlCl_3$ is covalent while $AlF_3$ is ionic. This fact can be justified on the basis of

$ {AgNO_3}$ does not give precipitate with $ {CHCl_3}$ because

AgCl precipitate dissolves in $NH_4OH$ due to the formation of

Silver is removed electrolytically from $200 \,mL$ of a $0.1\, N$ solution of $AgNO _{3}$ by a current of $0.1\, A$. How long will it take to remove half of the silver from the solution?

$ {Ag+ + NH3 <=> [Ag(NH3)]+;}$ $k_1 = 6.8 \times 10^{-3}$ $ {[Ag(NH3)]+ + NH3 <=> [Ag(NH3)2]+ ;}$ $k_2 = 1.6 \times 10^{-3}$ then the formation constant of the complex $[Ag(NH_3)_2]^+$ is

Affinity for hydrogen decreases in the group from fluorine to iodine. Which of the halogen acids should have highest bond dissociation enthalpy?

Adsorption is an exothermic process. The amount of substance adsorbed