List of top Chemistry Questions asked in AP EAPCET

The ratio of rate of diffusion of SO$_2$ to CH$_4$ is
For the formation of NH$_3$(g) from its constituent elements, which of the relation between the reaction quotient (Q) and equilibrium constant (K$_c$) is correct for the backward reaction?
The molecule which has more number of lone pair of electrons than the bond pair of electrons in its central atom is
Arrange the following in the correct order of their bond orders: N$_2$, O$_2$, O$_2^+$, O$_2^-$
The element with the electronic configuration [Kr]4d$^{10}$5s$^0$ is
Consider the following statements
Statement (A): The resistance of an ideal diode in forward biased condition is zero.
Statement (B): In a half wave rectifier, the load current flows only for every half cycle of the input signals.
Statement (C): In the breakdown region, a zener diode behaves as a constant voltage source.
The frequency band for uplink satellite communication in the following is
The ratio of radii of second orbit of hydrogen atom to fourth orbit of He$^+$ ion is
The velocity of the electron in Bohr’s first orbit is \( x \times 10^6 \, \text{ms}^{-1} \). The deBroglie wavelength associated with it (in nm) is (Given: \( m_e = 9 \times 10^{-31} \, \text{kg}, \, h = 6.6 \times 10^{-34} \, \text{Js} \))
The correct statement of the following is
A light from Paschen series of hydrogen atom is able to eject photoelectrons from a metal. Then the work function of the metal is
What are the oxidation states of the three Br atoms in the molecule \( \mathrm{Br_3O_6} \)?
The bond lengths of \( \mathrm{C_2} \), \( \mathrm{N_2} \), and \( \mathrm{B_2} \) molecules are \( X_1 \), \( X_2 \), and \( X_3 \) pm respectively. The correct order of their bond lengths is:
Identify A and B from the following reaction:\ NaNO3(\xrightarrow{\Delta}\) xA + yB
Assertion (A): MgSO4 is readily soluble in water.
Reason (R): The greater hydration enthalpy of Mg2+ ions overcomes its lattice enthalpy.
At T (K), x g of a non-volatile solid (molar mass 78 g mol$^{-1}$) when added to 0.5 kg water, lowered its freezing point by 1.0°C. What is x (in g)? (K$_f$ of water at T(K) = 1.86 K kg mol$^{-1}$)
The rate constant for a zero order reaction A → products is 0.0030 mol L$^{-1}$ s$^{-1}$. How long will it take for the initial concentration of A to fall from 0.10 M to 0.075 M?
Arrange the following in decreasing order of their pK$_b$ values:
Arrange the following in decreasing order of their pKb values:
Identify the major product formed from the following:
Nai/dry acetone
When 1-chlorobutane is treated with aqueous KOH it gives P. However, when treated with alcoholic KOH it gives Q. Identify P and Q respectively.
Arrange the following in increasing order of their reactivity for nucleophilic addition reaction:
Arrange the following in increasing order of their reactivity for nucleophilic addition reaction:
Identify the major product formed in the following reaction sequence:
ch3cocl/anhyd alcl3
Which hormone tends to increase the blood glucose level in humans?
Which of the following molecules is eliminated during peptide bond formation?
In the presence of peroxide, styrene reacts with HBr to give X. When X is treated with magnesium in dry ether followed by CO$_2$ and hydrolysis, Y is formed. Treatment of Y with PCl$_5$, then with H$_2$/Pd-BaSO$_4$ gives Z. What is Z?