List of top Chemistry Questions

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

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

Air pollution is not caused by

$AlCl_3$ is a

$ {AlCl3}$ on hydrolysis gives

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

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

$ {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

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?

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

Adsorption is multilayer in the case of

Adsorbed acetic acid on activated charcoal is

Adding $Cl_2$ to benzene in the presence of anhydrous $AlCl_3$ is an example of

Addition of HBr to 2-methyl-prop-1-ene in the presence of hydrogen peroxide mainly forms

Acidified $KMnO_4$ is dropped over sodium peroxide taken in a flask at room temperature, vigorous reaction takes place to produce

Acidified potassium dichromate reacts with potassium iodide and oxidises it to $I_2$. What is the oxidation state of chromium in the products of the reaction?

Across the lanthanide serie ,the basicity of the lanthanide hydroxides

Acetylene reacts with acetic acid in presence of $Hg^{++}$ ions at room temperature to give