List of top Chemistry Questions asked in AP EAMCET

Tropolone is an example for which of the following class of compounds?

At temperature $ T $ (K), the equilibrium constant $ K_c $ for the reaction: \[ A_2(g) \rightleftharpoons B_2(g) \] is 99.0. Two moles of $ A_2(g) $ were heated in a 1L closed flask to reach equilibrium. What are the equilibrium concentrations (in $ mol \ L^{-1} $) of $ A_2(g) $ and $ B_2(g) $?

The $\Delta T_b$ value for 0.01 m KCl solution is 0.01 K. What is the Van’t Hoff factor? (Kb for water = 0.52 K kg mol$^{-1}$)

The rms velocity ($ u_{\text{rms}} $), mean velocity ($ u_{\text{av}} $), and most probable velocity ($ u_{\text{mp}} $) of a gas differ from each other at a given temperature. Which of the following ratios regarding them is correct?

0.1 mole of potassium permanganate was heated at 300°C. What is the weight (in g) of the residue?

Identify the correct set from the following.

Identify the correct equation relating $ \Delta H $, $ \Delta U $, and $ \Delta T $ for 1 mole of an ideal gas (R = gas constant):

What are X and Y respectively in the following reactions? \includegraphics[]{159.png}

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:

What is D in the given sequence of reaction?

Match the complexes in list-I with their hybridization in list-II.

The number of unit cells present in 5.85 g of a cube-shaped crystal of sodium chloride is $ x \times 10^y $. $ x $ and $ y $ respectively are (Na = 23 u, Cl = 35.5 u) \[ (N_A = 6 \times 10^{23} { mol}^{-1}) \]

A ketone ‘X’ gives CH$_3$ when reacted with NaOI. The product of X on reaction with NaBH$_4$ followed by treatment with H$_2$O is:

A metal crystallizes in fcc lattice. The edge length of the unit cell is 200 pm. What is the radius (in m) of the metal atom?

Aluminium carbide on reaction with $ D_2O $ gives $ Al(OD)_3 $ and ‘X’. What is ‘X’?

The first order reaction $ A(g) \rightarrow B(g) + 2C(g) $ occurs at 25$^\circ$C. After 24 minutes the ratio of the concentration of products to the concentration of the reactant is 1:3. What is the half-life of the reaction (in min)? (log 1.11 = 0.046)

At 300 K, 6 g of urea was dissolved in 500 mL of water. What is the osmotic pressure (in atm) of the resultant solution? (R = 0.082 L atm K$^{-1}$ mol$^{-1}$) (C=12;N=14;O=16;H=1)

Which one of the following is NOT a disaccharide?

Which of the following is present in the photochemical smog?

The de Broglie wavelength of a particle of mass 1 mg moving with a velocity of $ 10 $ ms$^{-1}$ is (h = $ 6.63 \times 10^{-34} $ Js)

Identify the amino acid which has:

A vessel of volume $ V $ L contains an ideal gas at $ T(K) $. The vessel is partitioned into two equal parts. The volume (in L) and temperature (in K) in each part is respectively:

Which of the following alkenes does not undergo anti-Markovnikov addition of HBr?

Match the following

Given are two statements regarding the properties of carbon in Group 14 of the periodic table:
Statement-I: Carbon has the highest catenation power in group 14 elements.
Statement-II: Carbon has small size and high electronegativity compared to other elements of group 14.