List of top Chemistry Questions

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

Acid rain is due to

Acidic hydrolysis of acetamide gives

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

Acetylation reaction of phenol gives

Acetylene is used in the large scale production of

Acetooxime on reduction with $LiAlH_4$ produces

Acetal is produced by reacting alcohol in the presence of dry HCl with

Acetic acid when treated with $ {NH_3}$ forms ammonium acetate which on heating gives

Acetone reacts with Grignard Reagent to form

According to the law of triads,

According to Werner's theory, the primary valencies of the central metal atom

According to the first law of thermodynamics, $\Delta U = q + w$. In special cases the statement can be expressed in different ways. Which of the following is not a correct expression?

According to Lewis, the ligands are

According to Lewis concept of acids and bases,ethers are

A x molal solution of compound in benzene has a mole fraction of solute equal to 0.2. The value of x is

A white precipitate is obtained by the hydrolysis of

A Williamson's synthesis of ethers is an example of

A well stoppered thermos flask contains some icecubes. This is an example of