List of top Questions asked in AP EAPCET

0.25 moles of $ \text{CH}_2\text{FCOOH} $ was dissolved in $ 0.5 \, \text{kg} $ of water. The depression in freezing point of the resultant solution was observed as $ 1^\circ \text{C} $. What is the van't Hoff factor? ($ K_f = 1.86 \, \text{K kg mol}^{-1} $)
Two acids A and B are titrated separately. 25 mL of 0.5 M Na$_2$CO$_3$ solution requires 10 mL of A and 40 mL of B for complete neutralisation. The volume (in L) of A and B required to produce 1 L of 1 N acid solution respectively are
In a Freundlich adsorption isotherm, if the slope is unity and k is 0.1, the extent of adsorption at 2 atm is (log 2 = 0.30)
Which one of the following reactions is not feasible?
At \( T \)(K), the vapour pressure of pure benzene and toluene are \( 75 \) and \( 22 \) mm Hg respectively. 23.4 g of benzene and 64.4 g of toluene are mixed to form an ideal solution. If the vapours are in equilibrium with the liquid mixture, the mole fraction of toluene in vapour phase is:
What are X and Y respectively in the following set of reactions?
cresol
In which of the following set, both the substances have same hybridisation?
The number of monochloro derivatives possible for 2,2-Dimethylbutane and 2,3-Dimethylbutane are respectively
When the lead storage battery is in use (during discharge) the reaction that occurs at the anode is
Identify the complex ion with spin only magnetic moment of 4.90 BM.
For one mole of an ideal gas an isochore is obtained. The slope of the isochore is \(0.082 \, \text{atm K}^{-1}\). What will be its pressure (in atm) when the temperature is 12.2 K? (R = \(0.082 \, \text{L atm mol}^{-1} \text{ K}^{-1}\)).
At 298 K, 0.714 moles of liquid A is dissolved in 5.555 moles of liquid B. The vapour pressure of the resultant solution is 475 torr. The vapour pressure of pure liquid A at the same temperature is 280.7 torr. What is the vapour pressure of pure liquid B in torr?
In which one of the following complexes the metal ion has \( t_{2g}^3 e_g^2 \) configuration?
The order of dipole moments of H\textsubscript{2}O (A), CHCl\textsubscript{3} (B) and NH\textsubscript{3} (C) is
How many grams of calcium carbonate ($\mathrm{CaCO}_3$) are required to completely neutralize 200 mL of 0.5 M HCl? Given the reaction: $$ \mathrm{CaCO}_3 + 2 \mathrm{HCl} \rightarrow \mathrm{CaCl}_2 + \mathrm{H}_2 \mathrm{O} + \mathrm{CO}_2 $$ (Molar mass of $\mathrm{CaCO}_3 = 100 \, \text{g/mol}$)
A gas occupies 2 liters at a pressure of 3 atm. What will be its volume when the pressure is reduced to 1.5 atm at constant temperature?
The decomposition of AB\(_3\)(g) is a zero order reaction. At 300 K, the rate constant of the reaction is \(2.5 \times 10^{-4}\) mol L\(^{-1}\) s\(^{-1}\). What is the rate of reaction (in mol L\(^{-1}\) s\(^{-1}\)) when the concentration of AB\(_3\)(g) is taken as 10\(^{-1}\) mol L\(^{-1}\) at 300 K?
Consider the following halogen-containing compounds:
The compounds with a net dipole moment are:
Among the ions Mg$^{2+}$, O$^{2-}$, Al$^{3+}$, F$^{-}$, Na$^{+}$, and N$^{3-}$, the ion with the largest size and the ion with the smallest size are respectively
Consider the following:
Statement-I: Both internal energy (U) and work (w) are state functions.
Statement-II: During the free expansion of an ideal gas into vacuum, the work done is zero.
The correct answer is

An alkyl bromide \( X (\mathrm{C}_5\mathrm{H}_{11}\mathrm{Br}) \) undergoes hydrolysis in a two-step mechanism. 
\( X \) is converted to a Grignard reagent and then reacted with \( \mathrm{CO}_2 \) in dry ether followed by acidification to give \( Y \).
What is \( Y \)?

The synthetic detergent used in toothpaste is of type X. Animal starch is Y.
X and Y respectively are
A car accelerates uniformly from 10 m/s to 30 m/s in 10 seconds. What is the distance covered?
A ball is thrown vertically upward with a velocity of 20 m/s. What is the maximum height reached by the ball? (Take \( g = 10 \, m/s^2 \))
If A, B and C represent Planck’s constant, mass and velocity respectively, then the dimensional formula of \(\frac{A}{BC}\) is