List of top Questions asked in AP EAPCET

The major product formed in the following reaction sequence is
 


 

Match the name of acid from List-I with the source from which it is derived.
Choose the correct order of basicity of the following. \[ (a)\ (C_2H_5)_2NH \qquad (b)\ C_2H_5NH_2 \qquad (c)\ NH_3 \qquad (d)\ C_6H_5NH_2 \]
Arrange the following in increasing order of their acidic strength.
Which among the following is most reactive via \(S_N2\) mechanism?
According to valence bond theory the metal atom or ion can make use of which of the following orbitals to yield hybrid orbitals, that can form bonds with ligands.
Assertion (A): Transition elements have higher enthalpies of atomization.
Reason (R): Large number of unpaired electrons present in transition elements facilitate strong interatomic interaction and strong bonding between atoms.
If sucrose is boiled with dilute HCl in alcoholic solution, the ratio in which glucose and fructose are formed is
Thiamine is
When KI is reacted with \(O_3\) under aqueous condition the product formed is
In the reaction, \(A\rightarrow\) products, if the concentration of the reactant is doubled, rate of the reaction remains unchanged. The order of the reaction with respect to \(A\) is
At \(T(K)\), the partial pressure of dissolved oxygen in \(1\ L\) water is \(1\ bar\). The concentration of oxygen in ppm is \((K_H\) of \(O_2\) at \(T(K)\) is \(50\ kbar)\)
The correct order of adsorption of the following gases on the surface of charcoal is
Relatively which conditions favour the faster Brownian movement of colloidal particles in solution?
The cell potential for the following cell notation is approximately \[ M(s)\mid M^{3+}(aq,0.01M)\parallel N^{2+}(aq,0.1M)\mid N(s) \] Given \[ E^\circ_{M^{3+}/M}=0.6\ V \quad \text{and} \quad E^\circ_{N^{2+}/N}=0.1\ V \]
Small quantities of \(NO\) and \(HNO_3\) are formed as impurities when \(N_2\) is prepared from \(NH_4Cl(aq)\) and \(NaNO_2(aq)\). These impurities can be removed by passing the \(N_2\) gas through which of the following?
Match List I with List II.
Assertion (A): For an endothermic dissolution process, increase in temperature increases the solubility in a nearly saturated solution.
Reason (R): In a saturated solution dynamic equilibrium exists between dissolved solute and undissolved solute.
The number of possible aromatic benzenoid isomers for \(C_6H_4Cl_2\) are
The crystal structure of an element has fcc lattice. If the edge length of the crystal is \(4\ \text{\AA}\), what is the atomic weight \((g\ mol^{-1})\) of the element, if the density of the crystal is \(11.21\ g\ cm^{-3}\)? \[ (N_A=6.023\times10^{23}\ mol^{-1}) \]
Identify the starting compound \(P\) in the following reaction.
Among the given group 14 elements, the one with highest density is
\(\dfrac{K_p}{K_c}\) for the reaction at \(T(K)\) is \[ CO(g)+\frac{1}{2}O_2(g)\rightleftharpoons CO_2(g) \]
The number of hydrogen molecules possible from its isotopes is
The nitrate of which metal does not give nitrogen dioxide on strong heating?