List of top Questions asked in TS EAMCET

A hydrocarbon containing C and H has 92.3\% of C. When 52 g of hydrocarbon is completely burnt in oxygen, x x moles of water and y y moles of CO2_2 were formed. The liberated water is sufficient to liberate one mole of H2_2 when reacted with sodium metal. What is the weight (in g) of O2_2 consumed?
Identify the reaction for which Kp=Kc K_p = K_c :
Which of the following statements are not correct? i) BeO has rock-salt structure \text{BeO has rock-salt structure}
ii) BeSO4 is readily soluble in water \text{BeSO}_4 \text{ is readily soluble in water}
iii) The maximum coordination number of beryllium is four \text{The maximum coordination number of beryllium is four}
iv) Be(OH)2 is basic in nature \text{Be(OH)}_2 \text{ is basic in nature}
Observe the following compounds/ions: H3BO3, [B(OH)4]−, BH4−, [BCI3⋅NH3], SiO42− H_3BO_3, \, [B(OH)_4]^-, \, BH_4^-, \, [BCI_3 \cdot NH_3], \, SiO_4^{2-} The number of compounds/ions with tetrahedral shape is:
Which of the following sets of oxides are correctly matched?
Which radical is responsible for depletion of ozone in stratosphere?
The number of benzenoid and non-benzenoid aromatic species present in the following list are respectively Naphthalene, Toluene, Cycloheptatrienyl cation, Anthracene

The IUPAC names of the compounds A and B respectively are

 

0.1435 g of silver chloride was obtained from 0.0945 g of an organic compound by Carius method. The percentage of chlorine by weight in the compound is (molar mass of AgCl = 143.5 g mol−1^{-1})

In the following reaction sequence X and Y respectively are

The concentration of 1 L of CaCO3_3 solution is 10−510^{-5} M. Its concentration in ppm is. (Ca=40u; C=12u; O=16u)

The following graph is obtained for KCl solution at 300 K. What is Λm0 \Lambda_m^0 (in S cm² mol−1^{-1}) of KCl? 

Identify the correct statements from the following:
I. The order of reaction is determined from experiment only
II.The order of reaction can be zero , positive integer or a fraction
III.In a multistep reaction, the slow step determines the rate
If f(x)=ax2+bx+c f(x) = ax^2 + bx + c is an even function and g(x)=px3+qx2+rx g(x) = px^3 + qx^2 + rx is an odd function, and if h(x)=f(x)+g(x) h(x) = f(x) + g(x) and h(−2)=0 h(-2) = 0 , then 8p+4q+2r= 8p + 4q + 2r = ?
If 1⋅3⋅5+3⋅5⋅7+5⋅7⋅9+…1\cdot3\cdot5 + 3\cdot5\cdot7 + 5\cdot7\cdot9 + \ldots to nn terms is n(n+1)f(n)n(n+1)f(n), then f(2)=f(2) =

Given matrices A A and B B where:

A=[1221],B=[xy12] A = \begin{bmatrix} 1 & 2 \\ 2 & 1 \end{bmatrix}, \quad B = \begin{bmatrix} x & y \\ 1 & 2 \end{bmatrix}

and the condition:

(A+B)(A−B)=A2−B2 (A + B)(A - B) = A^2 - B^2

If matrix C C is defined as:

C=[x21y] C = \begin{bmatrix} x & 2 \\ 1 & y \end{bmatrix}

then the trace of C C is:

Tr(C)=x+y \text{Tr}(C) = x + y

∣x−23x−35x−5x−43x−95x−25x−83x−275x−125∣=0 \begin{vmatrix} x-2 & 3x-3 & 5x-5 \\ x-4 & 3x-9 & 5x-25 \\ x-8 & 3x-27 & 5x-125 \end{vmatrix} = 0

If AA is a non singular matrix, then Adj(A−1)=\text{Adj}(A^{-1}) =
If the homogeneous system of linear equations x−2y+3z=0x - 2y + 3z = 0, 2x+4y−5z=02x + 4y - 5z = 0, 3x+λy+μz=03x + \lambda y + \mu z = 0 has a non-trivial solution, then 8μ+11λ=8\mu + 11\lambda =
If α,β \alpha, \beta are the roots of the equation x2+2x+4=0 x^2 + 2x + 4 = 0 . If the point representing α \alpha in the Argand diagram lies in the 2nd quadrant and α2024−β2024=ik \alpha^{2024} - \beta^{2024} = ik , where i=−1 i = \sqrt{-1} , then k= k =
If α \alpha is a root of the equation x2−x+1=0 x^2 - x + 1 = 0 , then (α+1α)3+(α2+1α2)3+(α3+1α3)3+(α4+1α4)3=\left(\alpha + \frac{1}{\alpha}\right)^3 + \left(\alpha^2 + \frac{1}{\alpha^2}\right)^3 + \left(\alpha^3 + \frac{1}{\alpha^3}\right)^3 + \left(\alpha^4 + \frac{1}{\alpha^4}\right)^3 =

If z=(2−i)(1+i)3(1−i)2 z = \frac{(2-i)(1+i)^3}{(1-i)^2} then Arg(z)=? \text{Arg}(z) = ?

If α,β \alpha, \beta are the real roots of the equation x2+ax+b=0 x^2 + ax + b = 0 . If α+β=12 \alpha + \beta = \frac{1}{2} and α3+β3=378 \alpha^3 + \beta^3 = \frac{37}{8} , then a−1b= {a}-{\frac{1}{b}} =
The solution set of the inequality x2+x−2>(1−x) \sqrt{x^2 + x - 2}>(1 - x) is:
If α,β,γ \alpha, \beta, \gamma are the roots of the equation 4x3−3x2+2x−1=0 4x^3 - 3x^2 + 2x - 1 = 0 , then α3+β3+γ3= \alpha^3 + \beta^3 + \gamma^3 =