List of top Questions asked in AP EAPCET- 2022

The correct order of adsorption of the following gases on the surface of charcoal is
At \(T(K)\), the partial pressure of dissolved oxygen in \(1\ L\) water is \(1\ bar\). The concentration of oxygen in ppm is \((K_H\) of \(O_2\) at \(T(K)\) is \(50\ kbar)\)
Assertion (A): For an endothermic dissolution process, increase in temperature increases the solubility in a nearly saturated solution.
Reason (R): In a saturated solution dynamic equilibrium exists between dissolved solute and undissolved solute.
The number of possible aromatic benzenoid isomers for \(C_6H_4Cl_2\) are
The crystal structure of an element has fcc lattice. If the edge length of the crystal is \(4\ \text{\AA}\), what is the atomic weight \((g\ mol^{-1})\) of the element, if the density of the crystal is \(11.21\ g\ cm^{-3}\)? \[ (N_A=6.023\times10^{23}\ mol^{-1}) \]
Match List I with List II.
Among the given group 14 elements, the one with highest density is
Identify the starting compound \(P\) in the following reaction.
The number of hydrogen molecules possible from its isotopes is
\(\dfrac{K_p}{K_c}\) for the reaction at \(T(K)\) is \[ CO(g)+\frac{1}{2}O_2(g)\rightleftharpoons CO_2(g) \]
Statement A: pH of buffer increases with increasing temperature.
Statement B: The value of \(K_w\) of water decreases with decreasing temperature.
Observe the following reactions: \[ \text{Dimer} \xrightarrow{\text{vapour phase}} MCl_2 \xrightarrow{1200\,K} \text{linear monomer} \] What is \(M\)?
The nitrate of which metal does not give nitrogen dioxide on strong heating?
The structures of \(BCl_3\) and \(BCl_3 \cdot NH_3\), respectively are
Observe the following reaction: \[ I_2+10HNO_3 \rightarrow 2HIO_3+10NO_2+4H_2O \] The equivalent weight of \(HNO_3\) is (molar mass of \(HNO_3=M\))
Calculate \(\Delta_rH\ (kJ\ mol^{-1})\) of the following reaction \[ C_2H_5OH(l)+\frac{7}{2}O_2(g)\rightarrow 2CO_2(g)+3H_2O(l) \] Given: \[ \begin{array}{c|c} \text{Molecule} & \Delta_fH^\circ\ (kJ\ mol^{-1}) \\ \hline C_2H_5OH(l) & -280 \\ CO_2(g) & -400 \\ H_2O(l) & -290 \end{array} \]
As per molecular orbital theory, the pair of molecules which do not exist is
If 5 amperes of current is passed for 193 seconds through a solution containing copper salt, \(0.32\ g\) of copper is deposited. What is the oxidation state of Cu in the salt?
What is the density of one mole of He (molar mass \(=4\ g\ mol^{-1}\)) at \(300\ K\) and a pressure of \(0.82\ atm\)? \((R=0.082\ L\ atm\ mol^{-1}\ K^{-1})\)
Which of the following is not a state function?
The radius of the first orbit of \(Li^{2+}\) is \(X\ \text{\AA}\). The radius of the third orbit of \(He^{+}\) (in ) is
Which of the following elements has two electrons in Q shell in its ground state?
The electronic configuration which is associated with highest first ionisation enthalpy is:
If the bond order of CO is \(x\), the bond order of \(O_2^{2-}\) ion is
In a CE transistor amplifier, the signal voltage across the collector resistance is 2.5 V. The input signal voltage is 0.02 V. If the base and collector resistances are 1.5 k\(\Omega\) and 2.5 k\(\Omega\), find the current amplification factor.