List of top Chemistry Questions

In which form does \(BeCl_{2}\) exist in the solid state, vapor state and high temperature?
(1) Polymeric, Dimeric, Monomeric
(2) Dimeric, Polymeric, Monomeric
(3) Monomeric, Dimeric, Polymeric
(4) Polymeric, Monomeric, Dimeric

The product , which is not obtained during the electrolysis of brine solution is ____ .
Consider the following reaction that goes from A to B in three steps as shown
Consider the following reaction that goes from A to B in three steps as shown
below Choose the correct option:
The volume of 0.02 M aqueous HBr required to neutralize 10.0 mL of 0.01 M aqueous Ba(OH)2 is ____ . (Assume complete neutralization)
Which of the following can be represented as a meridional isomer?
Out of the following which has maximum CFSE? ( consider with sign)
Compounds of Xenon have one electron pair on central atom :
During bleeding from cut \(FeCl_3\) is used to stop bleeding as
Which of the following acts as a stabilizer in the decomposition of H2O2?
Statement-1: Methyl orange is a weak acid 
Statement-2: Benzenoid form of methyl orange is deeply coloured than quinonoid form
Check out which of the above statement is true?

Consider the following reaction sequence: \([CaCl_2 + Na_2CO_3 → X+Y] → Z\)

Identify the correct statement about the compound GaAIC14
An unknown organic compound is heated with fuming \(HNO_3\). The reaction mixture is treated with aq \(BaCl_2\) solution which gives white precipitate. Identify the unknown organic compound.
Total spin only magnetic moment of the ion [Mn(SCN)6]x– is 5.92 B.M. Find out the value of x.
If the formula of borax is \(Na_2B_4Ox(OH)y.zH_2O\) , Find the value of x + y + z. 
How many of the following have five radial nodes ? 
5s, 6s, 7s, 6p and 4p 
For a metal ion, the calculated magnetic moment is 4.90 BM. This metal ion has ______ number of unpaired electrons.
Read the following two statements
Statement I: Ionic radius of Li+ is greater than Mg++
Statement II: Lithium and magnesium can't form superoxide
Which of the following shows an incorrect method of refining?
Which of the following metals can be extracted through alkali leaching technique?

Given below are two statements: one is labeled as Assertion (A) and the other is labeled as Reason (R).
Assertion (A): Acidic nature follows the order:

Reason (R): F is a better electron-withdrawing group than Cl
In the light of the above statements, write the detailed answer:

Select the correct order of electronegativity of the elements: B, C, At, S

Sulphur (S)-containing amino acids from the following are:
(a) Isoleucine
(b) Cysteine
(c) Lysine
(d) Methionine
(e) Glutamic acid

How many factors will contribute to a major role in covalent character of a compound.
  1. Polarising power of cation
  2. Polarisability of the anion
  3. Distortion caused by cation
  4. Polarisability of cation
What happens when lyophilic sol is added to lyophobic sol. prevention from coagulation precipitation emulsion electrophoresis