List of top Questions asked in KCET

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:

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

Identify the incorrect statement:

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

Gold sol is not a:

The incorrect statement about the Hall-Heroult process is:

Select the correct statement:

$NO_2$ gas is :

Identify the incorrect statement from the following:

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

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

Which of the following statements related to lanthanoids is incorrect?

A metalloid is:

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

Identify the wrong relation for real gases:

From the diagram

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

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

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

The ratio of molar specific heats of oxygen is

For a particle executing simple harmonic motion (SHM), at its mean position:

A motor-cyclist moving towards a huge cliff with a speed of 18 km/h, blows a horn of source frequency 325 Hz. If the speed of the sound in air is 330 m/s, the number of beats heard by him is

A body has a charge of \( -3.2 \mu C \). The number of excess electrons it has is

A point charge A of +10\mu C and another point charge B of +20\mu C are kept 1m apart in free space. The electrostatic force on A due to B is \( \overrightarrow{F}_1 \), and the electrostatic force on B due to A is \( \overrightarrow{F}_2 \). Then