List of top Questions asked in AP EAMCET

If \( \alpha, \beta, \gamma \) are the roots of the determinant equation: \[ \begin{vmatrix} 1-x & -2 & 1
-2 & 4-x & -2
1 & -2 & 1-x \end{vmatrix} = 0 \] then \( \alpha \beta + \beta \gamma + \gamma \alpha \) is:
If \( f(x) = \sqrt{x - 1 \) and \( g(f(x)) = x + 2\sqrt{x} + 1 \), then \( g(x) \) is:}
If a function \( f: \mathbb{R} \to \mathbb{R} \) is defined by \( f(x) = x^3 - x \), then \( f \) is:

Two statements are given below 
Statement I: Benzanamine can be prepared from phthalimide. 
Statement II: Benzanamine is less basic than phenyl methanamine.

What are X and Z in the following reaction sequence? 

 

What is Y in the following reaction sequence? 


 

Observe the following set of reactions: 

Correct statement regarding Y and B is: 
 

What is X in the following reaction? 


 
 

What is D in the given sequence of reaction? 


 

Match the following: 



 

Amino acids are represented by the following general structure: 

Find out the pair in which amino acid is correctly matched with its group R: 
 

Sucrose is a disaccharide of which of the following?

In which of the following the polymer is correctly matched with the catalyst used for its preparation? 
I. Teflon - Persulphate 
II. Low density polythene - Triethyl aluminium and titanium tetrachloride 
III. Terylene - Zinc acetate/antimony trioxide 

The number of ions present in tris(ethane-1,2-diamine)cobalt(III) sulphate is:
Fusion of MnO\(_2\) with KOH in presence of KNO\(_3\) produces a dark green colour compound "X". X disproportionates in acidic solution and gives 'Y', 'Z' and water. The sum of spin only magnetic moment values of 'Y' and 'Z' is:
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:

Match the following:

The electrolyte which is highly effective for the coagulation of antimony sulphide sol is:
 

The correct statements about the adsorption of gas on solid adsorbent are: 
Adsorption is always exothermic. Physisorption may transform into chemisorption at high temperature. Physisorption increases with increasing temperature but chemisorption decreases with increasing temperature. In physisorption enthalpy of adsorption is 100 kJ mol\(^{-1}\). 
 

At T(K), the decomposition of N2O5(g) is a first-order reaction. The initial pressure of N2O5(g) is 'a' atm. After time, t, the total pressure of the reaction is 'p' atm. The rate constant (k) of the reaction is
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

1 g of \( XY_2 \) is dissolved in 20 g of \( C_6H_6 \). The \( \Delta T_f \) of the resultant solution is 2.318 K. When 1 g of \( XY_4 \) is dissolved in 20 g of \( C_6H_6 \), its \( \Delta T_f \) is found to be 1.314 K. What are the atomic masses of X and Y respectively?
(\( k_f \) of \( C_6H_6 \) is 5.1 K kg \( mol^{-1} \))

0.1 mole of H\(_3\)PO\(_3\) is present in 500 mL of solution. The normality of it 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?

Observe the following reaction sequence
Correct statement regarding Y is