List of top Questions asked in AP EAPCET- 2022

The IUPAC name of the following compound is
For which of the following \(+3\) oxidation state is highly oxidizing in character?
The atomization enthalpy of \(CH_4\) is \(1660\ \text{kJ mol}^{-1}\). The C-H bond enthalpy of each successive step in \[ CH_4 \rightarrow CH_3 \rightarrow CH_2 \rightarrow CH \rightarrow C \] are \(+15\), \(+30\) and \(+45\ \text{kJ mol}^{-1}\) higher than the mean bond enthalpy of C-H bonds, respectively. The bond enthalpy of the last C-H unit is
A \(1.0\ L\) aqueous solution contains \(1\times 10^{-8}\ M\ NaBr\), \(1\times 10^{-8}\ M\ NaCl\) and \(1\times 10^{-8}\ M\ NaI\). To this solution, \(1\times 10^{-10}\ M\) aqueous \(AgNO_3\) solution is added drop wise. The order of precipitation of \(AgX\), where \(X=Cl, Br, I\), is
\[ K_{sp}(AgCl)=1.8\times 10^{-10} \] \[ K_{sp}(AgBr)=5\times 10^{-13} \] \[ K_{sp}(AgI)=8.3\times 10^{-17} \]
The conjugate base of \(NH_3\) is
The density of methane is maximum under which conditions?
An airbag is inflated by \(N_2\) produced during rapid decomposition of \(NaN_3(s)\). What will be the pressure of the inflated airbag if 130 g of \(NaN_3\) is used? The volume of airbag is 10 L \((T=300\ K,\ R=0.082\ L\ atm\ K^{-1}\ mol^{-1})\)
Assertion (A): Molality of solution increases with temperature. Reason (R): Molality expression does not involve any volume term.
Identify the correct statements from the following
\[ \text{(I) } SnCl_2 \text{ is ionic, but } SnCl_4 \text{ is covalent in nature} \] \[ \text{(II) All linear diatomic molecules have zero dipole moment} \] \[ \text{(III) Both } NO \text{ and } O_2 \text{ are paramagnetic} \]
The correct order of atomic radii of the elements O, N, S and P is
The bond order of dioxygen is \(m\). The bond order values of \(N_2^{+}\) and \(C_2^{2-}\) are respectively
300 mL of a gas \(X\) of molar mass \(32\ \text{g mol}^{-1}\) is effused in 25 seconds. What volume of methane would effuse in the same time?
While passing through the applied magnetic field, which of the following undergoes the maximum deflection?
The class of materials having the largest band gap in the following is
An element has \(d^5\) configuration. The total number of electron exchanges possible for it is
The correct electronic configuration of the element Au is
A carrier wave of peak voltage \(60\,\text{V}\) is used to transmit a message signal. Then the peak voltage of the modulating signal in order to have a modulation index of \(90\%\) is
The following parameter is same for all hydrogen like atoms and ions in their ground state.
A metal has work function \(2.5\,\text{eV}\). If a radiation of frequency \(3.2\times10^{15}\,\text{Hz}\) is incident on this metal surface, then the maximum kinetic energy of ejected photoelectrons is \((h=6.6\times10^{-34}\,\text{J-s})\)
Light falls normally on a non-reflecting surface. If the average force exerted on a surface with area \(15\,\text{cm}^2\) during \(20\) minute time interval is \(10^{-6}\,\text{N}\), then energy flux of light is \((c=3\times10^8\,\text{m s}^{-1})\)
The correct ascending order of the wavelengths of the following electromagnetic waves is: Ultraviolet, X-rays, Infrared, Gamma rays and Visible light.
A radioactive element \(A\) converts into another stable element \(B\). Half-life of \(A\) is \(1.5\,\text{hrs}\). After time \(t\), the ratio of atoms of \(A\) and \(B\) is found to be \(1:8\), then \(t\) in hours is
A heating element is designed to dissipate \(2400\,\text{W}\) when connected to \(240\,\text{V}\). The power it dissipates when it is connected to \(120\,\text{V}\) is \((\text{Assume that resistance of the filament is constant})\)
The magnitude of magnetic field at \(O\) due to a current carrying loop as shown in the figure is, where \(O\) is the centre of two circular portions with radii \(1\,\text{cm}\) and \(2\,\text{cm}\) respectively. Take \(I=\dfrac{1.2}{\pi}\,\text{A}\).

A long wire lies along \(x\)-axis and carries a current of \(40\,\text{A}\) in positive \(x\)-direction. A second long wire is perpendicular to the \(xy\)-plane, passes through point \((3.0\,\text{m})\hat{j}\) and carries a current along positive \(z\)-direction. If the magnitude of resultant magnetic field at the point \((2.0\,\text{m})\hat{j}\) is \(5\times 10^{-6}\,\text{T}\), then the current in the second wire is \((\mu_0=4\pi\times 10^{-7}\,\text{SI unit})\)