List of top Chemistry Questions asked in AP EAPCET

Ortho-sulphobenzimide is used as:
Two statements are given below
Statement I: Chlorobenzene on nitration gives 1-chloro-4-nitrobenzene as major product
Statement II: Chlorobenzene undergoes nitration slowly than benzene
Identify the correct answer
In SN2 reaction, the carbon in the transition state is:
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?
The number of metalloids in the following elements are: Si, Mn, B, F, Cu, Ag, K, Sb, As, Na, Ge
The correct order of atomic radii of B, Be, N and C is
A gas obeys Charles' law in the temperature range 0--500 K at a given pressure. Its volume changes to zero at temperature of

The standard enthalpy of formation of $CO_2$(g), ${CaO(s)}$ and ${CaCO_3(s)}$ are -393, -634, -1210 kJ mol$^{-1}$ respectively. If all the substans are in standard state, the standard enthalpy of decomposition of calcium carbonate to ${CaO(s)}$ and ${CO_2(g)}$ (in kJ mol$^{-1}$) is

Which of the following pairs form a precipitate of AgCl? 
(v) 1L of $10^{-5}~\text{M}$ NaCl is common. Test combinations with: $10^{-6}$ $M {AgNO_3} $

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 $107.9~\text{g/mol}$)
S-I: Scattering of light by dispersed particles of colloidal system is known as Tyndall effect.
S-II: The diameter of the dispersed particles should not be much smaller than the wavelength of the light used.
The metal purified by Mond pross is X and metal purified by van Arkel method is Y. X and Y respectively are:
Manganese dioxide on heating with conntrated hydrochloric acid gives a greenish yellow gas, X. With exss of ammonia X gives Y and Z. Y and Z respectively are
The spin-only magnetic moment of ${[MnBr4]^2-}$ is 5.9 BM. The geometry of the complex and x respectively are

Which of the following are correct? 
i. V$^{2+}$ liberates hydrogen from a dilute acid
ii. The earlier members of lanthanide series behave more like aluminium 
iii. The ‘silver’ UK coins are made of CuNi alloy 
iv. The maximum oxidation state exhibited by Neptunium is +7

Identify the correct statement with respect to high-density polythene
Which of the following shows the maximum number of geometrical isomers?
The IUPAC name of \([Co(NH_3)_5ONO]Cl_2\) is:
Which of the following is not an inner orbital complex?

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

The metal having low melting point is
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\(_2\)?
A gaseous mixture containing H\(_2\), He, and O\(_2\) exerts a pressure of 1 bar. The weight percentage of H\(_2\) and He is 20 and 16 respectively. What is the ratio of partial pressures of O\(_2\), He and H\(_2\)?