List of top Chemistry Questions asked in TS EAMCET

Which one of the following is not an ambidentate ligand?

The RMS velocity of dihydrogen is \( \sqrt{7} \) times more than that of dinitrogen. If \( T_{\text{H}_2} \) and \( T_{\text{N}_2} \) are the temperatures of dihydrogen and dinitrogen, then the correct relationship between them is

Which of the following gives more number of oxides on reacting with $\text{HCl}$?

In hydrogen atom, an electron is transferred from an orbit of radius $1.3225$ nm to another orbit of radius $0.2116$ nm. What is the energy (in J) of emitted radiation? (Rydberg constant $R_H \approx 1.097 \times 10^7 \text{ m}^{-1}$)

The order of negative standard potential values of $\text{Li}, \text{Na}, \text{K}$ is

Identify the correct statements about photochemical smog
I. PAN is one of the components of photochemical smog
II. It forms cracks in rubber
III. It is an oxidizing smog

Which of the following solution has highest amount of solute?

Change in oxidation state of sulphur during oxidation of thiosulphate ion in neutral/alkaline solution by KMnO$_4$ is:

At 298 K, the enthalpy change (in kJ) for the reaction given below is: \( \text{CH}_4(g) + \text{O}_2(g) \to \text{C}(s) + 2\text{H}_2\text{O}(l) \) (Given: \( \text{H}_2(g) + \frac{1}{2}\text{O}_2(g) \to \text{H}_2\text{O}(l); \Delta H^\ominus = -286 \text{ kJ} \) \( \text{C}(s) + \text{O}_2(g) \to \text{CO}_2(g); \Delta H^\ominus = -394 \text{ kJ} \) \( \text{CH}_4(g) + 2\text{O}_2(g) \to \text{CO}_2(g) + 2\text{H}_2\text{O}(l); \Delta H^\ominus = -890 \text{ kJ} \))

A solid contains elements A and B. Anions of B form ccp lattice. Cations of A occupy 50% of octahedral voids and 50% of tetrahedral voids. What is the molecular formula of the solid?

A metal (M), crystallizes in $\text{fcc}$ lattice with edge length of $4.242 \text{ \AA}$. What is the radius of $\text{M}$ atom (in $\text{\AA}$)?

Which one of the following statements is not correct?

The correct order of atomic radii of Al, Ga, In, Tl is

Temperature of maximum density of H$_2$O is y K and D$_2$O is x K. (x - y) (in K) is nearly

What are X, Y, Z in the following reaction sequence?

Consider the following statements
Statement I: Benzene undergoes electrophilic substitution with excess chlorine in the presence of anhydrous AlCl$_3$
Statement - II: Benzene also undergoes electrophilic substitution with chlorine in the presence of UV light.
The correct answer is

In which of the following, oxidation state of nitrogen is lowest?

What are X and Y in the following reaction sequence?
2-Methylbutane $\xrightarrow{\text{KMnO}_4}$ X$\xrightarrow{\text{Y}}$ C5H11Cl

Phosphorus on reaction with sulphuryl chloride gives a compound X, which on complete hydrolysis gives Y. X and Y are respectively

The incorrect statement about the oxidation states of group 14 elements is

Work functions of four metals M$_1$, M$_2$, M$_3$ and M$_4$ are 4.8, 4.3, 4.75 and 3.75 eV respectively. The metals which do not show photoelectric effect when light of wavelength 310 nm falls on the metals are

For the alkyne with formula \( \text{C}_6\text{H}_{10} \), the number of alkynes with acidic hydrogens is \( x \) and number of alkynes with no acidic hydrogens is \( y \). \( x \) and \( y \) are respectively

How many of the following metals give oxides and nitrides when burnt in air? Be, Na, Mg, Ba, Sr, Li, K

Which of the following has lowest pK$_a$ value?