List of top Chemistry Questions

What is the oxidation state of Nickel in \(Ni(CO)_4\)?
What is the product of the reaction between Benzene and \(CH_3Cl\) in the presence of anhydrous \(AlCl_3\)?
Identify the monomers for Nylon-6,6.
Calculate the pH of a \(0.01\,M\) \(HCl\) solution.
Which compound undergoes Cannizzaro reaction: Formaldehyde, Acetaldehyde, or Benzophenone?
Determine the de Broglie wavelength of an electron accelerated through \(100\,V\).
For \(2N_2O_5 \rightarrow 4NO_2 + O_2\), if rate is \(1.02 \times 10^{-4}\) and \(k = 3.4 \times 10^{-5}\,s^{-1}\), find the concentration of \(N_2O_5\).
What is the oxidation state of Cobalt in \([Co(NH_3)_6]Cl_3\)?
If the de Broglie wavelengths of proton p and alpha particle \(\alpha\) are same, then
The angular momentum and the energy of the electron in the second Bohr’s orbit are respectively
Which of the following amine has the highest boiling point?
Aniline reacts with acetic anhydride in pyridine to give a product which reacts with Br2 in CH3COOH to get
When benzene diazonium chloride is treated with Cu and HBr, bromobenzene, N2 and CuCl are obtained. This reaction is called
Which of the following compound undergoes aldol condensation?
When benzoyl chloride is treated with \(H_2\) in the presence of \(Pd-BaSO_4\), benzaldehyde is formed. This reaction is called
The aldehyde that does not respond to Fehling’s test is
Reimer-Tiemann reaction using CHCl3 and aq.NaOH involves the conversion of phenol into
When a mixture of CO and H2 is heated at 573 K-673 K under 200-300 atmospheric pressure in the presence of a catalyst, methanol is produced. The catalyst used is
2-Methylpropene is obtained when sodium methoxide reacts with
CH3I cannot be prepared by direct iodination of methane as the reaction is slow and reversible. However, it can be prepared by carrying out the reaction in the presence of
Which of the following is a gas at 300K?
One mole of an alkene on ozonolysis gives two moles of propanone. What is the alkene?
Choose the Swarts reaction in the following:
The IUPAC name of the following alkane is \(CH_3-CH_2-CH(C_2H_5)-CH_2-CH(CH_3)-CH_2-CH_3\)
An organic compound is heated with \(Na_2O_2\) then boiled with \(HNO_3\). The solution is then treated with ammonium molybdate. The yellow precipitate obtained is due to the presence of the element