List of top Chemistry Questions on Acids and Bases asked in AP EAMCET

Identify the basic oxide from the following

What is the radius of the second Bohr orbit of $ {He}^+ $ ion?

Identify the anomers from the following.

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

Which of the following is an essential amino acid?

Identify the sets containing isostructural molecules from the following options:
i: ${SiF}_4$, ${CCl}_4$
ii: ${NF}_3$, ${XeO}_3$
iii: ${BeCl}_2$, ${HgCl}_2$
iv: ${SF}_4$, ${XeF}_4$

The standard Gibbs free energy change $ \Delta G^\circ $ of a cell reaction is $-301 { kJ/mol}$. What is $ E^\circ $ in volts?
(Given: $ F = 96500 { C/mol}$, $ n = 2 $)

At 298 K, the density of an aqueous solution containing 82 g of acetic acid per dm$^3$ is 1.01 kg dm$^{-3}$. If the molarity of the solution is $x$ M, the molality $m$ of the same solution is (molar mass of acetic acid = 60 g mol$^{-1}$):

From the following identify pairs in which metal is correctly matched with its refining process:

Given below are two statements: I. Cytosine and guanine are formed in equal quantities in DNA hydrolysis.
II. Adenine and uracil are formed in equal quantities in RNA hydrolysis. The correct answer is:

The standard reduction potentials of $ 2H^+/H_2 $, $ Cu^{2+}/Cu $, $ Zn^{2+}/Zn $, and $ NO_3^-/HNO_3 $ are 0.0 V, 0.34 V, -0.76 V, and 0.97 V respectively. Identify the correct statements from the following: I. $ H^+ $ does not oxidize $ Cu $ to $ Cu^{2+} $.
II. $ Zn $ reduces $ Cu^{2+} $ to $ Cu $.
III. $ NO_3^- $ oxidizes $ Cu $ to $ Cu^{2+} $.

Let $ x $ grams of benzoic acid (molar mass = 122 g/mol$^{-1}$) be dissolved in 50 g of benzene. Its freezing point was found to be 277.82 K. What is the value of $ x $? (Given: $ K_f $ of benzene = 5.1 K kg mol$^{-1}$, freezing point of benzene = 278.45 K, and van't Hoff's factor of benzoic acid = 0.5)

In neutral medium potassium permanganate oxidizes $ I^- $ to $ X $. Identify $ X $.

Which of the following are ambident nucleophiles?
[A.] CN$^{\,-}$
[B.] CH$_{3}$COO$^{\,-}$
[C.] NO$_{2}^{\,-}$
[D.] CH$_{3}$O$^{\,-}$
[E.] NH$_{3}$

The correct sequence of enzymes involved in the commercial production of ethanol by fermentation from sugar is:

At 298 K, the ionization constant of $ {CN}^- $ is $ 2.08 \times 10^{-6} $. What is the ionization constant of its conjugate acid? (Given $ K_w = 10^{-14} $)

An alcohol $ X $ ($ C_4H_{10}O $) does not give turbidity with conc. HCl and ZnCl$_2$ at room temperature. $ X $ on reaction with reagent $ Y $ gives $ Z $. What are $ X $, $ Y $, and $ Z $ respectively?

The carbohydrate which does not react with ammoniacal $ AgNO_3 $ solution is:

One mole of compound AB reacts with one mole of compound CD according to the equation: \[ {AB} + {CD} \rightleftharpoons {AD} + {CB} \] At equilibrium, it was found that $\frac{3}{4}$ mole of AB and CD had been converted to AD and CB. There is no change in volume. The equilibrium constant for the reaction is:

Arrange the following in decreasing order of their $pK_b$ values

Identify the reaction in which monobasic and dibasic acids are formed

If the $pK_a$ of acetic acid and $pK_b$ of dimethylamine are $4.76$ and $3.26$ respectively, the pH of dimethyl ammonium acetate solution is