List of top Questions asked in AP EAMCET- 2024

Arrange the following in decreasing order of their acidity:

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

The sum of coordination number and oxidation number of the metal M in the complex \[ [M({en})_2(C_2O_4)] \quad {(en = ethylenediamine)} \]

An alcohol X ($ C_4H_{10}O $) reacts with conc. HCl at room temperature to give Y ($ C_4H_9Cl $). Reaction of X with Cu at 573 K gave Z. What is Z?

A carbonyl compound X ($ C_3H_6O $) on oxidation gave a carboxylic acid Y ($ C_3H_6O_2 $). Oxime of X is:

What is the conjugate base of $ OH^- $?

Identify B in the given reaction sequence:

In Kjeldahl's method of estimation of nitrogen, the ammonia evolved from 0.2 g of an organic compound was absorbed in 60 mL of 0.1 M $H_2SO_4$. If 40 mL of 0.1 M NaOH is required for complete neutralisation of the unused acid, the percentage of nitrogen in the compound is:

Which of the following is useful to verify the charge on colloidal particles?

The correct sequence of reactions involved in the following conversion is:

An organic compound (X) has an empirical formula C$_4$H$_8$O. This gives a pale yellow precipitate with iodine in NaOH solution. What is X?

Which one of the following pairs of gases does not represent the greenhouse gases?

Which of the following is not an example of allylic halide?

Arrange the following in the correct order of their acidic strength: I. $ \text{C}_6 \text{H}_4 (\text{OH}) $ (I) II. $ \text{C}_6 \text{H}_5 (\text{OH}) $ (II) III. $ \text{C}_6 \text{H}_4 (\text{NO}_2)(\text{OH}) $ (III) IV. $ \text{C}_6 \text{H}_4 (\text{NO}_2)(\text{OH}) $ (IV)

'x' cm$^3$ of CH$_4$ gas diffused through a porous membrane in 25 min, Under the same conditions 'y' cm$^3$ of another gas of molar mass 64 g mol$^{-1}$ diffused in 20 min. The ratio of x and y is:

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

Match the following reactions with the product obtained from them:

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

What are X and Y respectively in the following reaction sequence?

Which of the following is not the correct order regarding the energy of orbitals?

Observe the following reactions:

The correct answer is:

A Grignard reagent (X) on reaction with carbonyl compound (Y) followed by hydrolysis gave Z. Z reacts with conc. HCl at room temperature. X and Y respectively are

What is Y in the following reaction sequence?

What is the major product 'Z' in the following sequence?

Identify the correct statements from the following:
[I.] At constant pressure, physical adsorption decreases with increase in temperature.
[II.] Enthalpy of physisorption is higher than enthalpy of chemisorption.
[III.] Gas mask used in coal mines consists of activated charcoal.