List of top Chemistry Questions asked in AP EAPCET

Which of the following is the correct increasing order of atomic number of elements A, B and C of third period, if their oxides are amphoteric, basic and acidic in nature respectively?
Match the following: figure [H]
figure
Which of the following set of quantum numbers represent the electron with highest energy?
The geometry and hybridisation of central atom of the volatile product formed when calamine is heated are respectively:
A photon of energy 12.09 eV is absorbed by a hydrogen atom in its first excited state, resulting in the ejection of an electron. The kinetic energy (in J) of the emitted photoelectron is ($1 eV = 1.6 \times 10^{-19}$ J, $R_H = 13.6$ eV):

Consider the following statements: Statement I: Silica in its normal form is almost non-reactive because of very high Si-O bond enthalpy.  Statement - II: Silica has no reaction with HF.  The correct answer is:

Identify the sets which contain greenhouse gases only:  I. $CO_{2}$, $SO_{3}$, $N_{2}$  II. $CO_{2}$, $CH_{4}$, $O_{3}$  III. $O_{2}$, $NO_{2}$, $SO_{2}$  IV. $O_{3}$, CFCs, $N_{2}O$  The correct answer is:

Which of the following compounds will show geometrical isomerism?  I. $(CH_{3})_{2}C=CH~C_{2}H_{5}$  II. $C_{6}H_{5}CH=CH~C_{2}H_{5}$  III. $C_{6}H_{5}CH=CH_{2}$  IV. $CH_{3}CH=C(Cl)CH_{3}$  The correct answer is:

The reduction products formed when copper and zinc metals are separately oxidised with dilute $HNO_{3}$ respectively are

Consider the following compounds: $H_{3}PO_{2}, Se_{2}Cl_{2}, HNO_{2}, HNO_{3}, H_{2}SO_{4}, H_{2}O_{2}$ How many of the above compounds undergo disproportionation reaction?

What are X and Y in the following set of reactions?


In which of the following set/s, reactant and reagent are correctly matched to get ethyl isonitrile as major product?
What are X and Y respectively in the following set of reactions?
Consider the following reactions I, II and III. The correct order of reactivity of X, Y and Z towards $S_{N}1$ reaction is:
The incorrect statement in the following is:
Consider the reaction of Cumene: (i) $O_{2}$ (ii) $H_{3}O^{+} \rightarrow A + B$. A is acidic and forms a salt with NaOH. X and Y are reagents to convert A and B to hydrocarbons. What are X and Y?
What are X and Y respectively in the following set of reactions?
Which of the following structures represent an example of a tranquilizer?

The ore calamine on calcination gives its oxide X. The common name of X is
The metal ion, ligands present in Wilkinson catalyst are respectively
Match List - I with List - II:
Consider the following statements: Statement-I: Polystyrene is a thermosetting polymer. Statement-II: Bakelite is a thermoplastic polymer.
Which of the following oxoacids of phosphorus has a peroxy ($O-O$) linkage present within its molecular structure?
An aqueous solution of a non-volatile and non-electrolytic solute boils at $100.5^{\circ}C.$ What will be the freezing point of the same solution? (Given $K_{b}=0.512~K$ kg $mol^{-1}$ and $K_{f}=1.86~K$ kg mol$^{-1}$)
Given below are two statements: Statement I: The electrical conductivity of a solution decreases with dilution. Statement II: The overall reaction in $H_{2}-O_{2}$ fuel cell is: $2H_{2}O(l)\longrightarrow2H_{2}(g)+O_{2}(g)$. The correct answer is: