List of top Chemistry Questions

Compounds of Xenon have one electron pair on central atom :
Which of the following can be represented as a meridional isomer?
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.

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

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 
In good quality cement ratio of lime total oxides of Si(SiO\(_2\)), Aluminium(Al\(_2\)O\(_3\)) and Iron(Fe\(_2\)O\(_3\)) should be as close as possible to _____ .
The solubility product of BaSO₄ is \(1 \times 10^{-10}\) at 298 K. The solubility of BaSO₄ in 0.1 M K₂SO₄(aq) is \(x \times 10^{-9}\) g L⁻¹. Calculate the value of \(x\).
The ratio of silica to alumina in cement is:
Identify the correct statement about the compound GaAIC14
Which of the following is not ambidentate ligand
Which of the following acts as a stabilizer in the decomposition of H2O2?
During bleeding from cut \(FeCl_3\) is used to stop bleeding as
Out of the following which has maximum CFSE? ( consider with sign)
For a metal ion, the calculated magnetic moment is 4.90 BM. This metal ion has ______ number of unpaired electrons.
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

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:

The pair of lanthanides will exceptionally high 3rd ionisation enthalpy than neighbouring elements:
Which of the following metals can be extracted through alkali leaching technique?

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

XeF$_4$ reacts with SbF$_5$ to form:
\[ [\text{XeF}_m]^{n+}[\text{SbF}_y]^{z-} \] What is $m+n+y+z$?
Incorrect statement about Borazine is:
Which of the following shows an incorrect method of refining?
How many statements are correct:
  1. If there is no relation between rate constant and temperature, then activation energy is negative.
  2. If the activation energy is zero, rate constant is temperature independent.
  3. If rate constant increases with increase of temperature, activation energy is positive.
  4. If rate constant decreases with increase in temperature, activation energy is negative.