List of top Chemistry Questions asked in AP EAMCET

Match the following reactions with the product obtained from them:

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

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

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.

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?

Which of the following molecules contain sulfur atoms in their structure?
I. Morphine
II. Heroin
III. Penicillin
IV. Terpinenol
V. Cimetidine

In the reaction sequence, Y is: \[ CH_3CO_2H \xrightarrow{\text{(1) NH}_3, \text{(2)} \Delta} P \xrightarrow{\text{Br}_2/\text{NaOH}} Y \]

Consider the following reactions. \[ \text{C}_2\text{H}_2 + \text{H}_2\text{O} \xrightarrow[\text{333 K}]{\text{Hg}^{2+}/\text{H}^+} [X] \xrightleftharpoons{\text{Isomerization}} Y \] Y cannot be obtained from which of the following reactions?

Identify the Swarts reaction from the following:

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:

Conversion of X to Y is an example of

The bicarbonate of which alkali metal does not exist as a solid?

Which of the following are present in DNA?

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

Chlorobenzene (X) when reacted with reagent ‘A’ gets converted to phenol (Y). The major product obtained from nitration of X gets converted to p-nitrophenol (Z) by reaction with reagent B. What are A and B respectively?

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: ${SF}_4$, ${XeF}_4$

Match the following:

The lattice of $MH_{2.55}$ is different from the lattice of $M$. What is $M$?

$BF_3 + LiAlH_4 \rightarrow X + LiF + AlF_3$. The incorrect statement about 'X' is:

Observe the following reaction: \[ {H}_2{O}(s) + {F}_2(g) \rightarrow {HF}(g) + {HOF}(g) \] In this reaction, identify the correct redox changes.

Which of the following reducing agents liberates hydrogen from dilute acid?

The rate constant of a first order reaction at 400 K and 500 K is respectively $ 2 \times 10^{-5} \, {s}^{-1} $ and $ 4 \times 10^{-3} \, {s}^{-1} $. What is the approximate activation energy (in kJ/mol$^{-1}$)? (R = 8.3 J mol$^{-1}$ K$^{-1}$, log 2 = 0.3)

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.