List of top Chemistry Questions

Which of the following pair of monosaccharides contains epimers of each other?
Which law of thermodynamics states that "energy of an isolated system is constant"?
Corrosion of silver results in the formation of
Possible number of isomers including stereoisomers for an organic compound with the molecular formula \( C_4H_9Br \) is:
If pH of rain water is less than ____ ,then it is called acid rain.
Which one of the following can be used as acid-base indicator to detect acidic or basic nature of solution?
Poling process is used to
What is the structural formula of simplest ketone?
Identify the correct statement.
Tooth enamel is made up of
An element \(_{13}X^{27}\) forms ionic compound. What is the charge on \(X\) in ionic compound:
1s2, 2s2, 2p6, 3s2, 3p6 (2,8,8) configuration is related to
Aliphatic hydrocarbons are
Reactivity increasing order of the following metals will be
Saturated hydrocarbons contain
The number of degenerate orbitals present in 4d subshell is
The maximum number of electrons in M shell is
Identify the dimethyl ether.
An element ‘X’ belongs to 2nd group and 3rd period. What is its valency?
Valance Bond Theory was proposed by
Strong ionic bond is formed between ____ and ____ group elements.
IV A group elements are called
Niels Bohr received Nobel Prize in
Electronic configuration of O-2 ion is
Ethene and ethyne differ in the