List of top Chemistry Questions

An optically active compound among the following is
When chlorobenzene is treated with acetyl chloride in the presence of anhydrous AlCl\(_3\), 4-Chloroacetophenone is formed as the major product. It is an example of
Which of the following compound will have highest boiling point?
The hydrocarbon that forms disodium salt with excess metallic sodium is
The ortho-, para-directing and deactivating group in aromatic electrophilic substitution reaction is
Which of the following compound does not exhibit aromaticity?
When bromoethane is treated with metallic Na in dry ethereal solution, n-butane is formed. This reaction is known as
Which of the following functional groups will show -R effect?
Which one of the following is an example of heterocyclic aromatic compound?
Which of the following complex ion is diamagnetic?
[Fe(H\(_2\)O)\(_5\)(ONO)]Cl and [Fe(H\(_2\)O)\(_5\)(NO\(_2\))]Cl are the examples of
The IUPAC name of the following complex [Cr(H\(_2\)O)\(_3\)(NH\(_3\))\(_3\)]Cl\(_3\) is
When CoCl\(_3\) solution is treated with excess ammonia, a violet coloured complex is formed which conducts current. Also, it gives one mole of AgCl when treated with AgNO\(_3\). What is the chemical formula of the complex
Which of the following statement is INCORRECT
Which of the following lanthanoid has the outer electronic configuration \(4f^7 6s^2\) in its ground state
When potassium permanganate is heated to 513 K it forms
Which of the following 3d metal forms only dihalide
The first transition series metal with the highest melting point is
The outer electronic configuration of ground state chromium is
For a first order reaction with rate constant 'k', the slope of the line obtained by plotting log ([R\(_0\)] [R]) vs time is
An example of pseudo first order reaction is
N$_2$ exerts a partial pressure of 7.648 bar when dissolved in 1 litre of water at 298 K. What is the mole fraction of N$_2$ at same temperature (Henry's law constant $(K_H)$ for N$_2$ at 298 K = 76.4 kbar)
The resistance of 0.10 M KCl solution when measured with a conductivity cell at 298 K is 100 \(\Omega\). If the conductivity of 0.10 M KCl solution is 1.29 S m\(^{-1}\), what is the value of cell constant of the same solution at 298 K
In the following reaction, the change in oxidation state of Magnesium is: 3Mg(s) + N2(g) → Mg3N2(s)
An aqueous solution of which of the following has the highest pH value