List of top Questions asked in AP EAMCET- 2024

Certain mass of living material at a particular time at each trophic level is called:
During blood clotting, in extrinsic pathway, thromboplastin activates:
In an ECG, a prolonged Q-T interval indicates:
Assertion (A): Kidneys of vertebrates are retroperitoneal organs.
Reason (R): They are covered by the visceral peritoneum only on their ventral side.

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: \({SF}_4\), \({XeF}_4\)

Which of the following is vulcanised rubber?

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.

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)
Two statements are given below:
I. Shaving soaps contain sodium carbonate
II. Laundry soaps contain sodium rosinates
The correct answer is:

What are X and Y respectively in the following reactions? 


 

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:

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.
What are X and Y respectively in the following reactions? \[ {Cu} + {HNO}_3 \, ({dilute}) \rightarrow {Cu(NO}_3)_2 + {H}_2{O} + X \] \[ {Zn} + {HNO}_3 \, ({dilute}) \rightarrow {Zn(NO}_3)_2 + {H}_2{O} + Y \]
Which of the following reducing agents liberates hydrogen from dilute acid?
The oxidation state of vanadium in Rb\(_4\)Na[\(HV_{10}\)O\(_28\)] is \(x\) and the oxidation state of chlorine in Ca(ClO\(_2\))\(_2\) is \(y\). The sum of \(x\) and \(y\) is:

Match the following:

The \( n_1 \) and \( n_2 \) values for the 3rd line of the Paschen series of the hydrogen spectrum are respectively:
The total number of products formed in the following reactions:
LiNO\(_3\) \(\xrightarrow{\Delta}\) Products NaNO\(_3\) \(\xrightarrow{\Delta}\) Products Be(NO\(_3\))\(_2\) \(\xrightarrow{\Delta}\) Products
The cell reaction of a cell is given below: \[ 2 \, \text{Cu}^{+} \rightarrow \text{Cu} + \text{Cu}^{2+} \]

What is \( E^0_{\text{cell}} \) (in V)?

Given: \( E^0_{\text{Cu}^{2+}/\text{Cu}^{+}} = x \) V; \quad \( E^0_{\text{Cu}^{+}/\text{Cu}} = y \) V

In which of the following reactions, hydrogen is one of the products formed?
Reaction of BF\(_3\) with LiAlH\(_4\) in diethyl ether Hydrolysis of diborane Oxidation of sodium borohydride with iodine Combustion of diborane

Identify the correctly matched sets: 
CO - neutral oxide GeO - acidic oxide PbO - basic oxide
 

In the disproportionation reaction of nitrous acid, X is formed along with nitric acid and water. X can also be obtained by the reaction of: