List of top Chemistry Questions asked in Andhra Pradesh Polytechnic Common Entrance Test

The number of degenerate orbitals present in 4d subshell is
An element \(_{13}X^{27}\) forms ionic compound. What is the charge on \(X\) in ionic compound:
Aliphatic hydrocarbons are
What is the structural formula of simplest ketone?
Replacing one hydrogen from NH3, by alkyl group will result in the formation of
Saturated hydrocarbons contain
Identify the dimethyl ether.
Ethene and ethyne differ in the
During corrosion, a metal will
Corrosion of silver results in the formation of
Electronic configuration of O-2 ion is
The number of electrons gained by non-metallic element is equal to its
Reactivity increasing order of the following metals will be
Linus Pauling proposed the concept of
Poling process is used to
Identify the correct statement.
1s2, 2s2, 2p6, 3s2, 3p6 (2,8,8) configuration is related to
IV A group elements are called
An element ‘X’ belongs to 2nd group and 3rd period. What is its valency?
Presence of 3 unpaired electrons in nitrogen can be explained by ____ principle.
Valance Bond Theory was proposed by
Strong ionic bond is formed between ____ and ____ group elements.
Lithium, sodium and ____ are Dobereiner's triads.
If pH of rain water is less than ____ ,then it is called acid rain.
The maximum number of electrons in M shell is