List of top Chemistry Questions asked in AP EAPCET

What are x and y in the following reaction?
$x \text{Pb}_3\text{O}_4 \rightarrow y \text{PbO} + \text{O}_2$
The diameter range of colloidal particles is approximately:
Which of the following is correct related to the colours of TiCl$_3$ (X) and [Ti(H$_2$O)$_6$]Cl$_3$ (Y)?
Photographic plates are prepared by coating emulsion of which of the following in gelatin?
The catalyst used in the manufacture of polyethylene is a mixture of
Assertion (A): HCl gas is dried by passing through concentrated H$_2$SO$_4$
Reason (R): HCl gas reacts with NH$_3$ that gives white fumes
The compound or ion which is not aromatic in the following is
The reduction potential of hydrogen electrode at 25°C in a neutral solution is (P$_{H_2}$ = 1 bar)
Assertion (A): Blood cells collapse when suspended in saline water
Reason (R): Cell membrane dissolves in saline water
The number of network solids and ionic solids in the list given below is respectively
H$_2$O (ice), AlN, Cu, CaF$_2$, diamond, MgO, CCl$_4$, ZnS, Ag, NaCl, SiO$_2$
If molten NaCl contains SrCl$_2$ as impurity, crystallization can generate
The correct order of acidity of the following is:
order of acidity
Which of the following tetrahalides does not exist?
Identify the correct statements about Boron:
I. It has high melting point.
II. It has high density.
III. It has high electrical conductivity.
IV. B-10 isotope of it has high ability to absorb neutrons
Equal volumes of 0.5 N acetic acid and 0.5 N sodium acetate are mixed. What is the pH of resultant solution?
(\( \text{p}K_a \) of acetic acid = 4.75)
What are X and Y respectively in the following reactions?
\( \text{X} + \text{D}_2\text{O} \rightarrow \text{CD}_2 + \text{P} \)
\( \text{Y} + \text{D}_2\text{O} \rightarrow \text{CD}_4 + \text{Q} \)
Among the gases a, b, c, d, e, and f, the gases that show only positive deviation from ideal behavior at all pressures in the graph are:
Among the gases a, b, c, d, e, and f, the gases
The statement related to law of definite proportions is:
The formation of ammonia from its constituent elements is an exothermic reaction. \ The effect of increase in temperature on the reaction equilibrium is:
Identify the reaction/process in which the entropy increases.
A cyclic process involves 3 states with 1 mole of ideal gas as follows:\ State 1: \( T = 300 \text{ K},\ P = 15 \text{ bar} \)\ State 2: \( T = 300 \text{ K},\ P = 10 \text{ bar} \)\ State 3: \( T = 300 \text{ K},\ P = 5 \text{ bar} \)\ Calculate the total work done during one complete cycle.
The number of radial nodes and angular nodes in a 4f orbital are respectively:
Lithium shows diagonal relationship with element X and aluminum with element Y. Identify X and Y respectively.
The correct order of the metallic character of the elements Be, Al, Na, K is:
If \( \Delta x \) is the uncertainty in position and \( \Delta v \) is the uncertainty in velocity of a particle and both are equal, then the correct expression for uncertainty in momentum for the same particle is: