List of top Questions asked in AP EAPCET

IUPAC names of the given compounds (I) and (II) are respectively
Which of the following property is less for D₂O than H₂O?
The molar solubility of PbI₂ in 0.2 M Pb(NO₃)₂ solution in terms of \(K_{sp}\) (solubility product) is
A and B are ideal gases. At T(K), 2 L of A with a pressure of 1 bar is mixed with 4 L of B with a pressure of P\(_B\) bar in a 100 L flask. The pressure exerted by gaseous mixture is 0.1 bar. What is the value of P\(_B\) in bar?
The mass of a mixture containing NaCl and NaBr is 4.0 g. If Na is 20% of the total mixture, the composition of NaCl in the mixture is
The number of extensive and intensive properties in the list given below is respectively: % List - Density, enthalpy, mass, temperature, volume, pressure
For the following given equilibrium reaction, K\(_p\) is equal to 1076 at T(K). What is the value of T (in K)? \[ \text{N}_2(g) + 3\text{H}_2(g) \rightleftharpoons 2\text{NH}_3(g) \] Given that \( R = 0.082 \, \text{L atm K}^{-1} \text{mol}^{-1} \), \( K_p = 1076 \), the equation is: \[ K_p = 1076, \, R = 0.082 \, \text{L atm K}^{-1} \text{mol}^{-1} \]
The correct equation for one mole of a real gas is (a, b are constants)
One mole of ethanol (C₂H₅OH) was completely burnt in oxygen to form CO₂(g) and H₂O(l). What is the \(\Delta H_f^{\circ}\) (in kJ/mol) for this reaction?
The layer of the atmosphere that reflects low frequency (LF) electromagnetic waves during daytime only is
The number of electrons with magnetic quantum number $m = 0$ in the elements with atomic numbers $Z = 24$ and $Z = 29$ are respectively
Match the following
List-I (Molecule)List-II (Dipole moment in D)
A) \( \text{HCCl} \)I) \( 1.85 \, \text{D} \)
B) \( \text{NH}_3 \)II) \( 1.07 \, \text{D} \)
C) \( \text{H}_2\text{O} \)III) \( 0.23 \, \text{D} \)
D) \( \text{NF}_3 \)IV) \( 1.47 \, \text{D} \)
a, b, c, d are electromagnetic radiations. Frequencies of a, b, c are $3 \times 10^{15$ Hz, respectively, whereas the wavelength of c, d are 400 nm, 750 nm, respectively. The increasing order of their energies is}
In a common emitter transistor amplifier the resistance of collector is 3 kΩ. If the current amplification factor is 100 and the base resistance is 2 kΩ, then the power gain of the transistor is
Which of the following sets are correctly matched?
MoleculeNumber of lone pairs of electrons on central atomHybridization
I) \( \text{PCF}_3 \)1\( \text{sp}^3 \)
II) \( \text{SO}_2 \)2\( \text{sp}^2 \)
III) \( \text{SF}_4 \)2\( \text{sp}^3d^2 \)
IV) \( \text{CF}_4 \)2\( \text{sp}^3 \)
Which of the following orders is not correct for the given property?
In the given options, the diode that is forward biased is
If the surface areas of two nuclei are in the ratio 9 : 49, then the ratio of their mass numbers is
The ratio of de Broglie wavelengths associated with thermal neutrons at temperatures 127°C and 352°C is
If a 10 W bulb emits electromagnetic waves uniformly in all directions, then the intensity of light at a distance 0.5 m from the source is nearly
The ratio of the time periods of the revolution of the electrons in the second and third excited states of hydrogen atom is
In a series LCR circuit, the voltages across the capacitor, resistor, and inductor are in the ratio 2:3:6. If the voltage of the source in the circuit is 240 V, then the voltage across the inductor is
When current in a coil changes from 2 A to 5 A in a time of 0.3 s, if the emf induced in the coil is 40 mV, then the self-inductance of the coil is
If a proton of kinetic energy 8.35 MeV enters a uniform magnetic field of 10 T at right angles to the direction of the field, then the force acting on the proton is
A capacitor of capacitance 2 μF is charged with the help of a 60 V battery. After disconnecting the battery, if this capacitor is connected in parallel with another uncharged capacitor of capacitance 1 μF, then the potential difference across the plates of the 2 μF capacitor is