List of top Chemistry Questions asked in AP EAPCET

Choose the correct option from the following:
For a reaction \( 2\text{CO (g)} + \text{O}_2 \text{(g)} \rightarrow 2\text{CO}_2 \text{(g)} \), Given: \[ \Delta_r G^\circ = -128 \, \text{kJ}, \quad \Delta_r S^\circ = -40 \, \text{JK}^{-1}, \quad T = 300 \, \text{K} \] Calculate \( \Delta_r U \) (in kJ).
Gabriel phthalimide synthesis is used for the preparation of which of the following?
On electrolysis of aqueous sodium butanoate, the hydrocarbon formed contains how many carbon atoms?
Identify the major product from the following reaction sequence:
major product from the following reaction sequence
Reactant: 1-phenylpropanol
Identify the major product formed from the following reaction sequence:
major product formed from the following reaction sequence:
The rate for \( S_N1 \) reaction will be faster for which of the following bromides?
Assertion (A): 1-Bromopentane reacts with AgCN to give pentyl isocyanide.
Reason (R): AgCN is mainly ionic in nature.
Calculated magnetic moment value for \( \text{Fe}^{2+} \) ion in Bohr Magnetons (BM) is:
The shapes of \( \text{XeF}_2 \), \( \text{XeF}_4 \), and \( \text{XeO}_3 \) respectively are:
Curdling of milk is caused due to the formation of which of the following acids by bacteria?
In ruby and emerald, the metal ion(s) present is/are:
What is the functional group present in serine, an amino acid, in addition to \( -\text{NH}_2 \) and \( -\text{COOH} \) groups?
Given: \[ \text{CH}_3\text{COOC}_2\text{H}_5 + \text{H}_2\text{O} \rightarrow \text{CH}_3\text{COOH} + \text{C}_2\text{H}_5\text{OH} \] Initial concentrations: Ethyl acetate = 0.001 M, Water = 2 M 99% hydrolyzed in 10 s. Find rate constant \( k \).
Resistance of a conductivity cell filled with \(0.1\, \text{mol L}^{-1}\) NaCl is 100 \(\Omega\).
Resistance of the same cell with \(0.02\, \text{mol L}^{-1}\) NaCl = 258 \(\Omega\). Conductivity of \(0.1\, \text{mol L}^{-1}\) NaCl = \(1.29\, \text{S m}^{-1}\). What is conductivity of 0.02 M NaCl?
The sol formed in the following unbalanced equation is: \[ \text{As}_2\text{O}_3 + \text{H}_2\text{S} \rightarrow ? \]
The colloidal solution used to treat stomach disorders is:
The element with highest electronegativity after fluorine is:
Which of the following condition is correct for reverse osmosis?
Which of the following pair of solutions is isotonic?
(A) 18 g/L of glucose and 6 g/L of urea solution
(B) 10 g/L of glucose and 10 g/L of urea solution
(C) 0.01 M NaOH and 0.02 M glucose solution
(D) 0.01 M NaCl and 0.01 M glucose solution (NaCl undergoes complete dissociation)
The correct order of acidic nature of the following alkynes is:
I. \( \text{C}_2\text{H}_2 \)
II. \( (\text{CH}_3)_2\text{C}_2 \)
III. \( (\text{CH}_3)\text{C}_2\text{H} \)
Metal ‘M’ in the following reaction is: \[ 2 \text{MNO}_3 \rightarrow \text{M}_2\text{O} + 2\text{NO}_2 + \frac{1}{2}\text{O}_2 \]
The product ‘Q’ of the following reactions is:
product ‘Q’ of the following reactions
The correct statements with respect to halides of group 14 elements are:
(I) Both CCl4 and SiCl4 undergo hydrolysis.
(II) GeX4 is more stable than GeX2.
(III) PbX4 is less stable than PbX2.
(IV) Stability of dihalides decreases down the group.
The anions (A) of \( \text{C}_p\text{A}_q \) molecule form an fcc lattice. Cations (C) are positioned at the body center and half of the edge centers. The formula of the molecule is: