List of top Chemistry Questions asked in KCET

The incorrect statement about the Hall-Heroult process is:

Solubility product of CaC₂O₄ at a given temperature in pure water is 4 × 10⁻⁹ mol²/L². Solubility of CaC₂O₄ at the same temperature is:

The energy associated with the first orbit of He+ is:

For which one of the following mixtures is composition uniform throughout?

From the diagram

\( \Delta H \) for the reaction C → A is:

A pair of isoelectronic species having a bond order of one is:

A metalloid is:

Identify the wrong relation for real gases:

The correct decreasing order of boiling points of hydrogen halides is:

Which of the following statements related to lanthanoids is incorrect?

Identify the incorrect statement from the following:

The transition element (≈5%) present with lanthanoid metal in Misch metal is:

Gold sol is not a:

For the coagulation of positively charged hydrated ferric-oxide sol, the flocculating power of the ions is in the order:

Select the correct statement:

$NO_2$ gas is :

Identify the incorrect statement:

Which one of the following does not represent the Arrhenius equation?

For the reaction PCl5​→PCl3​+Cl2​, the rate and rate constant are 1.02×10−4mol L−1s−1 and 3.4×10−5s−1, respectively, at a given instant. The molar concentration of PCl5​ at that instant is:

A current of 3 A is passed through a molten calcium salt for 1 hr 47 min 13 sec. The mass of calcium deposited is:

Which one of the following pairs will show positive deviation from Raoult's Law?