List of top Chemistry Questions asked in AP EAMCET

Which of the following molecules is eliminated during peptide bond formation?
The diameter range of colloidal particles is approximately
Photographic plates are prepared by coating emulsion of which of the following in gelatin.
What are \(x\) and \(y\) in the following reaction?
\[ x\mathrm{Pb_3O_4}\rightarrow y\mathrm{PbO}+O_2 \]
The rate constant for a zero order reaction \(A \rightarrow\) products is \(0.0030\ \mathrm{mol\ L^{-1}\ s^{-1}}\). How long will it take for the initial concentration of \(A\) to fall from \(0.10\ \mathrm{M}\) to \(0.075\ \mathrm{M}\)?
The reduction potential of hydrogen electrode at \(25^\circ C\) in a neutral solution is
\[ (p_{H_2}=1 \text{ bar}) \]
Assertion (A): Blood cells collapse when suspended in saline water.
Reason (R): Cell membrane dissolves in saline water.
The compound or ion which is not aromatic in the following is
At \(T(K)\), \(x\) g of a non-volatile solid (molar mass \(78\ \mathrm{g\ mol^{-1}}\)) when added to \(0.5\) kg water, lowered its freezing point by \(1.0^\circ C\). What is \(x\) (in g)?
\[ K_f \text{ of water at } T(K)=1.86\ \mathrm{K\ kg\ mol^{-1}} \]
Which of the following tetrahalides does not exist?
The correct order of acidity of the following compounds is
The number of network solids and ionic solids in the list given below is respectively
\[ H_2O \, (ice),\; AlN,\; Cu,\; CaF_2,\; diamond,\; MgO,\; CCl_4,\; ZnS,\; Ag,\; NaCl,\; SiO_2 \]
If molten NaCl contains \(\mathrm{SrCl_2}\) as impurity, crystallization can generate
The formation of ammonia from its constituent elements is an exothermic reaction. The effect of increase temperature on the reaction equilibrium is
Identify \(A\) and \(B\) from the following reaction
\[ NaNO_3 \xrightarrow{\Delta} xA + yB \]
Equal volumes of \(0.5 \, N\) acetic acid and \(0.5 \, N\) sodium acetate are mixed. What is the pH of resultant solution?
\[ (pK_a \text{ of acetic acid } = 4.75) \]
What are \(X\) and \(Y\) respectively in the following reactions?
\[ X+D_2O\rightarrow C_2D_2+P \] \[ Y+D_2O\rightarrow CD_4+Q \]
Assertion (A):- \(MgSO_4\) is readily soluble in water
Reason (R):- The greater hydration enthalpy of \(Mg^{2+}\) ions overcomes its lattice enthalpy.
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
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
The statement related to law of definite proportions is
What are the oxidation states of three Br atoms in \(Br_3O_8\) molecule
The bond lengths of \(C_2\), \(N_2\) and \(B_2\) molecules are \(X_1\), \(X_2\) and \(X_3\) pm respectively. The correct order of their bond lengths is
Identify the reaction/process in which the entropy increases.
State 1 \(\rightleftharpoons\) State 2 \(\rightleftharpoons\) State 3 represents a cyclic process for \(1\) mole of an ideal gas.
\[ \text{State 1: } T=300\text{ K},\ P=15\text{ bar} \] \[ \text{State 2: } T=300\text{ K},\ P=10\text{ bar} \] \[ \text{State 3: } T=300\text{ K},\ P=5\text{ bar} \] Calculate the total work done during one complete cycle.
(Assume a single step to reach the next state)