List of top Chemistry Questions

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 ?
The gas evolved on heating alkali formate with soda-lime is
Identify the reactant
Maleic acid and Fumaric acid are
Hydroboration oxidation of 4-methyl-octene would give
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
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
The number of formula units of calcium fluoride CaF\(_2\) present in 146.4 g of CaF\(_2\) are (molar mass of CaF\(_2\) is 78.08 g/mol)
The number of hydrogen atoms present in 25.6 g of sucrose (C\(_{12}\)H\(_{22}\)O\(_{11}\)) which has a molar mass of 342.3 g is
The continuous phase contains the dispersed phase throughout, Example is
Secondary nitroalkanes can be converted into ketones by using Y. Identify Y from following
CH\(_3\)CH\(_3\) + HNO\(_3\) \(\xrightarrow{675\,K}\)
When acetamide is hydrolysed by boiling with acid, the product obtained is