List of top Chemistry Questions asked in AIEEE

The correct order of bond angles (smallest first) in $H_2S, NH_3, BF_3$ and $SiH_4$ is
The conjugate base of $H_2PO_4^ -$ is
The compound formed in the positive test for nitrogen with the Lassaigne solution of an organic compound is
The compound formed on heating chlorobenzene with chloral in the presence concentrated sulphuric acid is
One mole of magnesium nitride on the reaction with excess of water gives
In a cell that utilises the reaction $ {Zn(s) + 2H+ (aq) -> Zn2+(aq) + H2(g)}$ addition of $H_2SO_4$ to cathode compartment, will
Identify the correct statements regarding enzymes
Excess of KI reacts with $CuSO_4$ solution and then $Na_2S_2O_3$ solution is added to it. Which of the statements is incorrect for this reaction?
Among the following compound which can be dehydrated very easily is
The states of hybridization of boron and oxygenatoms in boric acid $(H_3BO_3)$ are respectively
Which one of the following statements regarding helium is incorrect ?
In van der Waals equation of state of the gas law, the constant 'b' is measure of
Which one of the following has the regular tetrahedral structure ?
The maximum number of $90^\circ$ angles between bond pair-bond pair of electrons is observed in
Among $ {Al_2O_3, SiO_2, P_2O_3}$ and $ {SO_2}$ the correct order of acidic strength is
Aluminium chloride exists as dimer,$ { Al_2Cl_6}$ in solid state as well as in solution of non-polar solvents such as benzene. When dissolved in water, it gives
The formation of the oxide ion $O^{2-}(g)$ requires first an exothermic and then an endothermic step as shown below $O\left(g\right) + e^{-}O^{-} \left(g\right)?H^{\circ} = -142kJmol^{-1}$ $O^{-} \left(g\right) + e^{-}O^{2-} \left(g\right)?H^{\circ} = 844kJmol^{-1}$
Which one of the following ores is best concentrated by froth - floatation method?
An ideal gas expands in volume from $1?10^{-3} m^3$ to $1?10^{-2} m^3$ at $300\, K$ against a constant pressure of $1?10^5\, Nm^{-2}$. The work done is
Which of the following sets of quantum numbers is correct for an electron in 4f orbital?
As the temperature is raised from $20^{\circ}C$ to $40^{\circ}C$, the average kinetic energy of neon atoms changes by a factor of which of the following?
A pressure cooker reduces cooking time for food because :
The correct relationship between free energy change in a reaction and the corresponding equilibrium constant $K_{c}$ is:
Nylon threads are made up of :
Nylon threads are made of