List of top Questions asked in AP EAPCET- 2022

Thiamine is
When KI is reacted with \(O_3\) under aqueous condition the product formed is
In the reaction, \(A\rightarrow\) products, if the concentration of the reactant is doubled, rate of the reaction remains unchanged. The order of the reaction with respect to \(A\) 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 \(50\ kbar)\)
The correct order of adsorption of the following gases on the surface of charcoal is
Relatively which conditions favour the faster Brownian movement of colloidal particles in solution?
The cell potential for the following cell notation is approximately \[ M(s)\mid M^{3+}(aq,0.01M)\parallel N^{2+}(aq,0.1M)\mid N(s) \] Given \[ E^\circ_{M^{3+}/M}=0.6\ V \quad \text{and} \quad E^\circ_{N^{2+}/N}=0.1\ V \]
Small quantities of \(NO\) and \(HNO_3\) are formed as impurities when \(N_2\) is prepared from \(NH_4Cl(aq)\) and \(NaNO_2(aq)\). These impurities can be removed by passing the \(N_2\) gas through which of the following?
Among the given group 14 elements, the one with highest density is
Match List I with List II.
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 \(11.21\ g\ cm^{-3}\)? \[ (N_A=6.023\times10^{23}\ mol^{-1}) \]
Identify the starting compound \(P\) in the following reaction.
Statement A: pH of buffer increases with increasing temperature.
Statement B: The value of \(K_w\) of water decreases with decreasing temperature.
The structures of \(BCl_3\) and \(BCl_3 \cdot NH_3\), respectively are
\(\dfrac{K_p}{K_c}\) for the reaction at \(T(K)\) is \[ CO(g)+\frac{1}{2}O_2(g)\rightleftharpoons CO_2(g) \]
The number of hydrogen molecules possible from its isotopes is
The nitrate of which metal does not give nitrogen dioxide on strong heating?
Observe the following reactions: \[ \text{Dimer} \xrightarrow{\text{vapour phase}} MCl_2 \xrightarrow{1200\,K} \text{linear monomer} \] What is \(M\)?
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?
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: \[ \begin{array}{c|c} \text{Molecule} & \Delta_fH^\circ\ (kJ\ mol^{-1}) \\ \hline C_2H_5OH(l) & -280 \\ CO_2(g) & -400 \\ H_2O(l) & -290 \end{array} \]
Which of the following is not a state function?
What is the density of one mole of He (molar mass \(=4\ g\ mol^{-1}\)) at \(300\ K\) and a pressure of \(0.82\ atm\)? \((R=0.082\ L\ atm\ mol^{-1}\ K^{-1})\)
As per molecular orbital theory, the pair of molecules which do not exist is