List of top Chemistry Questions asked in AP EAMCET

As per standard reduction potential values, which is the strongest reducing agent among the given elements?

A Lewis acid 'X' reacts with LiAlH$_4$ in either medium to give a highly toxic gas, 'Y'. 'Y' when heated with NH$_3$ gives a compound known as inorganic benzene. 'Y' burns in oxygen and gives H$_2$O and 'Z'. 'Z' is:

The method for preparation of water gas is:

The BOD values for pure water and highly polluted water are respectively:

When chlorine reacts with hot and conc. NaOH, the products formed are

Which of the following is NOT correctly matched?

100 mL of $ M \times 10^{-1} $ Ca(NO₃)₂ and 200 mL of $ M \times 10^{-1} $ KNO₃ solutions are mixed. What is the normality of the resulted solution with respect to NO₃⁻?

At 298 K, for a first order reaction (A → P) the following graph is obtained. The rate constant (in s$^{-1}$) and initial concentration (in mol L$^{-1}$) of ‘A’ are respectively:

The rate constant of a first-order reaction is $ 3.46 \times 10^3 \, {s}^{-1} $ at 298K. What is the rate constant of the reaction at 350 K if its activation energy is 50.1 kJ mol$^{-1}$ (R = 8.314 J K$^{-1}$ mol$^{-1}$)?

In the reaction of sulfur with concentrated sulfuric acid, the oxidised product is X and reduced product is Y. X and Y are respectively:

Which of the following lanthanides have [Xe] 4f⁵ 5d¹ 6s² configuration in their ground state?

How many of the following ligands are stronger than H₂O? \[ {S}^{2-}, \, {Br}^-, \, {C}_2{O}_4^{2-}, \, {CN}^-, \, {en}, \, {NH}_3, \, {CO}, \, {OH}^- \]

At $ 27^\circ C $, the degree of dissociation of weak acid (HA) in its 0.5M aqueous solution is 1%. Its $ K_a $ value is approximately:

From the following, identify the groups that exhibit negative resonance (-R) effect when attached to a conjugated system: \[ \text{Formyl (A), Amino (B), Alkoxy (C), Cyano (D), Nitro (E)} \]

The major products X and Y respectively from the following reactions are

An isomer of C₆H₁₂ on reaction with Br₂/ light gave only one isomer C₆H₁₁Br (X). Reaction of X with AgNO₃ gave Y as the major product. What is Y?

Match the following reagents with the products obtained when they react with a ketone:

Arrange the following in decreasing order of their basicity:

The following data is obtained for coagulating a positively charged sol in 2 hours:

What is the coagulating value of electrolyte for this sol?

Which of the following molecules is not having glycosidic linkage?

What is the kinetic energy (in $ {J/mol} $) of one mole of an ideal gas (molar mass = $0.01 \, {kg/mol}$) if its rms velocity is $4 \times 10^2 \, {m/s}$?

The bond order of which of the following two species is the same?

The standard reduction potentials of $2H^+ / H_2$, $Cu^{2+} / Cu$, $Zn^{2+} / Zn$, and $NO_3^- / HNO_2$ are 0.0, +0.34, -0.76, and +0.97 V respectively. Observe the following reactions:
I. $ Zn + HCl \rightarrow $
II. $ Cu + HCl \rightarrow $
III. $ Cu + HNO_3 \rightarrow $
Which reactions do not liberate $H_2$ gas?

100 mL of 0.1 M HA (weak acid) and 100 mL of 0.2 M NaA are mixed. What is the pH of the resultant solution? $(K_a \text{ of HA is } 10^{-5}, \log 2 = 0.3)$

In Kolbe's electrolysis of sodium propanoate, products formed at anode and cathode are respectively: