List of top Chemistry Questions

The electrochemical cell stops working after sometime because :
The amount of electricity required to produce one mole of copper from copper sulphate solution will be
Dipping iron article into a strongly alkaline solution of sodium phosphate
Alkyl cyanides undergo Stephen reduction to produce
A wittig reaction with an aldehyde gives
Cannizzaro reaction is given by
Reaction of PCl\(_3\) and PhMgBr would give
Cl--P--Cl bond angles in PCl\(_5\) molecule are
Milk changes after digestion into:
Which of the following sets consists only of essential amino acids?
Which of the following is ketohexose ?
Maleic acid and Fumaric acid are
The gas evolved on heating alkali formate with soda-lime is
Identify the reactant
Diamond is hard because
When ethyl alcohol is heated with conc. H\(_2\)SO\(_4\), product obtained is
Anisole is the product obtained from phenol by the reaction known as
Ethylene glycol gives oxalic acid on oxidation with
Hydroboration oxidation of 4-methyl-octene would give
If an endothermic reaction occurs spontaneously at constant temperature \(T\) and pressure \(P\), then which of the following is true?
A spontaneous process is one in which the system suffers :
Hair dyes contain
Which of the following is not a characteristic of transition elements ?
The magnetic moment of a salt containing Zn\(^{2+}\) ion is
The oxidation number of oxygen in KO\(_3\), Na\(_2\)O\(_2\) is