List of top Questions asked in TS EAMCET

Natural rubber is the addition polymer of monomer X and neoprene is the addition polymer of monomer Y. What are X and Y respectively?

Glycosidic linkage in maltose is present between

The vitamin (X) from B group can be stored in the body. The disease caused by the deficiency of X is:

Identify the correctly matched pairs from the following set

The correct answer is

At \(T\)(K), adsorption of gas \((A)\) on solid adsorbent \((B)\) follows Freundlich adsorption isotherm. On \(10\) g of \(B\), adsorption of gas \((A)\) gave the isotherm shown below. What is \(x\) (the quantity of \(A\) adsorbed in one gram of \(B\)) when the pressure of \(A\) is \(1.259\) atm?

\[ (\log 1.259=0.1,\qquad \text{Antilog}(0.1)=1.259) \]

Identify the option in which elements are correctly arranged in the increasing order of their electronegativity values.

The element with atomic number 114 has outer shell electron configuration as that of element 'X'. What is X?

Consider the following oxides: $\text{SO}_2$, $\text{P}_2\text{O}_5$, $\text{SO}_3$, $\text{Al}_2\text{O}_3$, $\text{K}_2\text{O}$, $\text{MgO}$. The most acidic and most basic oxides are respectively:}

The element with atomic number 114 has outer shell electron configuration as that of element 'X'. What is X?

Consider the following oxides: $\text{SO}_2$, $\text{P}_2\text{O}_5$, $\text{SO}_3$, $\text{Al}_2\text{O}_3$, $\text{K}_2\text{O}$, MgO. The most acidic and most basic oxides are respectively:

If $v_0$ is threshold frequency and $v$ is incident frequency, velocity of photoelectrons is:

In which of the following compounds, the size of manganese is maximum?

The atomic numbers of four elements A, D, E, G are 4, 7, 8, 12 respectively. The decreasing order of electronegativity of these elements is

Which of the following statements are NOT correct?
I. Addition of electron to a gaseous atom is always exothermic.
II. Removal of electron from gaseous atom is always endothermic.
III. First ionization enthalpy of oxygen is greater than nitrogen.
IV. In group I elements lithium is least electropositive.

The wavelength of electron in the orbit X of hydrogen atom is \(6\pi a_0\). What is the value of X? (\(a_0=\) radius of first orbit of hydrogen atom)

Identify the pairs in which electron gain enthalpy of the first element is more than that of the second element. \[ \text{I. } F,\ Br \] \[ \text{II. } Na,\ Li \] \[ \text{III. } S,\ O \]

Match the following.

Which of the following orders are correct for the stated property?

Statement-I: CO reduces Al$_2$O$_3$ to Al.
Statement-II: CO is a neutral ligand with one $\sigma$ and two $\pi$ bonds.

Which of the following reactions give hydrogen gas? \[ \begin{aligned} \text{I. }&\text{Reaction of tin with steam} \text{II. }&\text{Passage of steam over hot coke} \text{III. }&\text{Passage of air over hot coke} \end{aligned} \] The correct answer is

\(\mathrm{XeF_4}\) on reaction with \(\mathrm{O_2F_2}\) at \(143\ \mathrm{K}\) gives a Xenon compound \(A\). On complete hydrolysis, \(A\) gives HF and \(B\). The hybridisation of the central atom in \(B\) is

The allotrope of carbon with aromatic character is:

Rate determining step in the following reactions I and II respectively is

An organic compound (X) dissolves in dilute NaOH but not in dilute \(NaHCO_3\) solution. X with \(Br_2/H_2O\) gives tribromo derivative. What is X?

Benzene gets converted to X in reaction (A) and Y in reaction (B). X is oxidized by ammoniacal AgNO\(_3\) but Y is not. Identify A and B.