List of top Chemistry Questions asked in AP EAPCET

The correct order of reactivity of the following towards nucleophilic addition reactions is: \[ \text{I. CH}_3\text{COCH}_3,\quad \text{II. CH}_3\text{CH}_2\text{CHO},\quad \text{III. ClCH}_2\text{CHO} \]
Which of the following has more pK\(_a\) value?
What are 'X' and 'Y' respectively in the following reaction sequence? \[ \ce{C6H5CH3→[X] C6H5CO2H →[Y] C6H5CH2OH} \]
Among the following, the correct statements are
I. CCl\(_4\) is an electron-precise molecule
II. SnF\(_4\), PbF\(_4\) are ionic in nature
III. All tetrahalides of group 14 elements are easily hydrolyzed
IV. PbO, PbO\(_2\) are amphoteric in nature
At T (K), a gaseous mixture containing H₂, He and O$_$2 exerted a pressure of 1 bar. The weight percentage of H$_$2 and He is 20 and 16 respectively. The partial pressure (in bar) of H$_$2, He and O$_$2 is respectively
1-Chloro-4-nitrobenzene, 1-Chloro-2,4-dinitrobenzene and 1-Chloro-2,4,6-trinitrobenzene are transformed to corresponding phenols with the reagents X, Y, Z respectively. What are X, Y, Z?
X and Y in the following reactions are:
Socl2,cooh
The angular momentum of electron in H atom in a particular n state is $\frac{h}{\pi}$. What is the energy in J required to excite the electron from this particular n state to (n+1) state?

What is the boiling point of solution of 0.1 m KCl? 
K$_b$ of water is 0.52 K kg mol$^{-1}$, $\alpha = 100%$ (water boils at 373 K)

6 g of a non-volatile solute (x) is dissolved in 100 g of water. The relative lowering of vapour pressure of resultant solution is 0.006. What is the molar mass (in g mol\textsuperscript{–1}) of x?
Which one of the following is correct?
The conductivity of a solution containing 2.08 g of anhydrous barium chloride in 200 mL solution is $6 \times 10^{-3} \, \text{ohm}^{-1} \, \text{cm}^{-1}$. The molar conductivity of the solution (in $\text{ohm}^{-1} \, \text{cm}^{2} \, \text{mol}^{-1}$) is $x \times 10^{2}$. The value of $x$ is (Atomic mass of Ba = 137, Cl = 35.5)
A 100 L cylinder containing H2 exerted a pressure of 4 atm at 300 K. It was accidentally opened and some H2 was escaped. When it was closed, it exerted a pressure of 3 atm at 300 K. The number of moles of H2 remaining in the cylinder is equal to
Hypothyroidism is due to
A. High level of iodine in the diet
B. Enlargement of thyroid gland
C. Low levels of iodine in the diet
D. Increased levels of thyroxine
Identify X, Y and Z in the following reactions sequence:
X, Y and Z in the following reactions sequence
Which of the following produces nitrogen gas after the reaction with nitrous acid?
Silver forms CCP structure and its density is $10.5~\text{g/cm}^3$. What is the edge length of the unit ll? (Molar mass of silver is $107.9~\text{g/mol}$)

The type of reaction 'X' and product 'Y' of the following are respectively:
\[ {C_6H_5N_2Cl + C_6H_5NH_2 ->[\text{heat}] X -> Y} \]

Intramolecular hydrogen bonding is found in
The isotopes of hydrogen are H, D and T. What is the approximate ratio of rate of diffusion of H\(_2\), D\(_2\), and T\(_2\)?
At T(K), the solubility products (K\(_{sp}\)) of AgCl, AgBr and AgI are \(1.8 \times 10^{-10}\), \(5 \times 10^{-13}\) and \(8.3 \times 10^{-17}\) respectively. A 1L solution contains \(10^{-5}\) moles each of NaCl, NaBr and NaI. This solution is titrated with \(10^{-6}\) M AgNO\(_3\) until all halides (Cl\(^{-}\), Br\(^{-}\), I\(^{-}\)) are precipitated as silver salts.
The order of precipitation of these respectively is:
The number of alkenes that exhibit cis/trans isomerism with the molecular formula C\(_5\)H\(_{10}\) is:
What is ‘X’ in the following reaction?
2–Bromo–2–methyl butane $\xrightarrow{X}$ 2–methyl–2–butanol
Which is the correct order of the following alkyl halides for an SN2 reaction?
alkyl halides for an SN2 reaction
Which of the following is a hemiacetal?