List of top Chemistry Questions asked in AP EAPCET

The correct statement regarding the mechanism involved in the above reactions is

For the reaction X(g) $\rightarrow$ Y(g) at equilibrium, the partial pressure of Y is one-third that of X. What is the standard Gibbs energy change ($\Delta G^\circ$) for this reaction?
The electron gain enthalpy (Cl2,H) of chlorine is -3.7 eV mol-1. How much energy (in kcal mol-1) is released when 71 g of chlorine atoms are completely converted into Cl- ions in gaseous state? (1 eV = 23 kcal)
Identify the reaction which occurs in blast furnace at temperature of above 900 K.
A halide with formula C6H13Br gave two isomeric alkenes A and B on dehydrobromination. On ozonolysis of mixture of A and B the following compounds were obtained: CH3COCH3, CH3CHO, CH3CH2CHO and (CH3)2CHCHO. The halide is:
The number of d-electrons in Fe2+ (Z = 26) is not equal to:
Alkaline oxidative fusion of MnO$_2$ gives 'X'. The products formed when 'X' undergoes disproportionation in acid medium are
I) KMnO$_4$
II) MnO$_2$
III) O$_2$
IV) H$_2$O
The water soluble vitamin which is not excreted through urine easily is
The BOD value of clean water is X. The maximum concentration of cadmium recommended in drinking water is Y. X and Y respectively are
Two 1 L flasks at T(K) contain O2 and helium with rms velocities of x m s-1 and y m s-1, respectively. What is the relationship between x and y?
Which option has the greatest mass?

Match the following:

List-I (reaction)List-II (catalyst)
A) SO2(g) + Cl2(g) → SO2Cl2(l)I) Pt / Rh gauge
B) 2SO2(g) + O2(g) → 2SO3(g)IV) V2O5
C) 4HCl + O2 → 2Cl2 + 2H2OII) CuCl2
D) 4NH3(g) + 5O2(g) → 4NO(g) + 6H2O(g)III) Charcoal
Consider the following
Statement-I: Natural rubber becomes soft at low temperature and brittle at high temperature.
Statement-II: Natural rubber has weak van der Waals forces between its polymer chains.
In which of the following, elements are correctly arranged in the decreasing order of atomic radius?
Consider the following:
Statement-I: \( \text{CO}_2 \) is released into atmosphere by burning of fossil fuels and increase in \( \text{CO}_2 \) levels in air causes global warming.
Statement-II: CO is released into the air mainly by automobile exhaust and it is a lung irritant.
What are X and Y in the following set of reactions?
(dry acetone)
Y’ in the following reaction sequence
The SN$_2$ reactivity of the following compounds will be in the order:
I) C$_6$H$_5$CH(CH$_3$)Br
II) (C$_6$H$_5$)$_2$CHBr
III) (C$_6$H$_5$)$_2$C(CH$_3$)Br
IV) C$_6$H$_5$CH$_2$Br
A compound (X) produces an alkene when treated with H$_2$ in the presence of Na/liquid NH$_3$. Ozonolysis of this alkene gives ethanol and methanal. "X" is
Which of the following methods are used to remove temporary hardness of water? I) Boiling
II) Calgon method
III) Clark's method
Zinc sulphide reacts with oxygen and gives two oxides, X and Y. If nature of X is acidic, the nature of Y is
Match the following:
List-I (Complex)List-II (Isomerism) 
A) [Co(NH3)5Br]SO4V) Ionization
B) [Co(en)3]3+I) Optical
C) [Co(NH3)5(NO2)]2+II) Linkage
D) [Co(NH3)3Cl3]III) Geometrical
The time required for 100% completion of a zero order reaction is
[$R$]$_0$ = Initial concentration of reactant, R
Consider the following:
Statement I: Real gases exhibit ideal behaviour at high pressures and low temperatures.
Statement II: At high pressure, all gases have compressibility factor (Z) either as 1 or< 1.
At T(K), a gaseous mixture contains H\(_2\) and O\(_2\). The total pressure of the mixture is 2 bar. The weight percentage (w/w) of H\(_2\) is 33.33%. What is the approximate ratio of partial pressure of H\(_2\) and O\(_2\)?
In Am$^{3+}$ (Z = 95), the number of f-electrons with ($n + \ell$) value equal to 8 is (where $n$, $\ell$ represent principal and azimuthal quantum numbers)