List of top Chemistry Questions

Name of the following reaction:
Benzaldehyde + Acetophenone → Benzalacetophenone
Which of the following shows -R effect?
Acetanilide is prepared by reacting -------and-------.
Which of the following is more soluble in water at 298 K?
Phenol can be converted into benzene by treating with:
Preparation of KMnO\(_4\) from Mg(II):
Spin free complex?
Aryl halides react with Na in dry ether gives diphenyls. Name of the reaction is:
Amount of charge needed to dissociate MgClâ‚‚?
Order of acidity CH=CH, CH₃-C=CH, CH₃-C=C-CH₃?
\(\Delta H\) and \(\Delta S\) value of a reaction which is non-spontaneous at high T and spontaneous at low T is:
Energy of H atom in ground state is 13.6 eV. No of spectral lines emitted by 'H' atom when a photon of energy 12.75 eV is received?
Which shows +6 oxidation state in fluorides?
Properties of canal rays:
The carboxylic acid used widely in the leather industry is?
A subatomic particle of mass \(2.2 \times 10^{-28}\) kg. Velocity = \(3 \times 10^5 \, \text{ms}^{-1}\). De Broglie wavelength?
KMnO\(_4\) on heating at 513K produces:
IUPAC name of the compound [Cr(H\(_2\)O)\(_3\)(NH\(_3\))\(_3\)]Cl\(_3\)
Which element in the 3d series can form dihalides?
A compound formed by reacting CoCl\(_2\) with excess NH\(_3\) gives 1 mol of AgCl with AgNO\(_3\). Form the compound:
The reagent for Etard's reaction is:
Square planar compound is:
Acetone can be converted to 2-methylpropan-2-ol using:
Chloro benzene and acetyl chloride react with anhydrous AlCl\(_3\), to form 4-chloroacetophenone. The reaction is an example of:
Which of the following have a complete octet?