List of top Chemistry Questions asked in KCET

Sulphur sol contains
Reactions in zeolite catalyst depend on,
Main axis of a diatomic molecule is $Z$, molecular orbital $p_x $ and $ p_y$ overlaps to form, which of the following orbitals?
$HCl$ gas is covalent and $NaCl$ is an ionic compound. This is because
The distinguishing test between methanoic acid and ethanoic acid is
Half-life period of a first order reaction is $10\, min$. Starting with initial concentration $12\, M$, the rate after $20\, min$ is
Glycogen is
$0.06\%\, (w/v)$ aqueous solution of urea is isotonic with
The two electrons have the following set of quantum numbers: $P = 3 , 2 , - 2 , + \frac {1}{2}$ $Q = 3,0,0,+\frac {1}{2}$ Which of the following statement is true ?
The electrolyte having maximum flocculation value for $AgI/Ag^+$ sol is
How many ions per molecule are produced in the solution when Mohr salt is dissolved in excess of water ?
In $H_2 - O_2$ fuel cell the reaction occurring at cathode is
On heating with concentrated $NaOH$ solution in an inert atmosphere of $CO_2$ white phosphorous gives a gas. Which of the following statement is incorrect about the gas ?
An alkali metal hydride $(NaH)$ reacts with diborane in $A$ to give a tetrahedral compound $B$ which is extensively used as reducing agent in organic synthesis. The compounds $A$ and $B$ respectively are
Which of the following compound possesses the "C - H" bond with the lowest bond dissociation energy ?
Which of the following will be able to show geometrical isomerism ?
In presence of $HCl, H_2S$ results the precipitation of Group-2 elements but not Gp-4 elements during qualitative analysis. It is due to
How many Coulombs of electricity are required for the oxidation of one mol of water to dioxygen ?
While charging the lead storage battery
The formation of cyanohydrin from a ketone is an example of
The salt which responds to dilute and concentrated $H_2SO_4$ is
Copper is extracted from Copper pyrites by heating in a Bessemer converter. The method is based on the principle that
Using MOT, compare $O_2^+$ and $O_2^-$ species and choose the incorrect option.
One of the following amide will not undergo Hoffmann bromamide reaction :
In a first order reaction, the concentration of the reactant is reduced to $12.5\%$ in one hour. When was it half completed ?