List of top Chemistry Questions asked in AP POLYCET

An element \(\\_{12} M^{24} \) forms ionic compound with another element 'Y. Then the charge on the ion formed by M is 
The element with highest electron affinity value among halogens is
The non-metal present in IVA (carbon family) is
The number of elements present in period 4th of long form of periodic table are
The correct order of electronegativity values of the following elements is
If the atomic weights of lithium and potassium respectively are 7 and 39, then the atomic weight of sodium as per Dobereiner's law of triads is
The maximum number of electrons that can be accommodated in the shell of an atom is
The value of x in the following chemical reaction is
\(C_3H_8 + xO_2 \rightarrow YCO_2 + zH_2O\)
The rule which describes the electron distribution in degenerate orbitals of an atom is
The possible I values for a given n value are
Which of the following set of quantum numbers is not correct?
The correct order of energies for the electromagnetic spectrum is
The Quantum mechanical model of atom was proposed by
Which of the following is an example of acid?
Electrolysis of aqueous NaCl solution produces
The chemical name of plaster of Paris is
The colour of methyl orange indicator in HCl is
Which of the following is an example for neutralization reaction?
The tarnishing of silver spoon in presence of moisture is due to formation of
One mole of \(H_2\) gas contains how many molecules? 
Lead nitrate on reaction with potassium iodide gives yellow precipitate. The yellow color is due to
\(Pb(NO_3)_2 + 2KI \rightarrow PbI_2 + 2KNO_3\)
The organic compound with R---- COO-----R' functional group is prepared from
For extraction of highly reactive metal compounds from their ores, some impurities are added during the electrolysis process. The role of impurity is
The IUPAC name of IUPAC name
The first synthesized organic compound in laboratory is