List of top Chemistry Questions asked in KEAM

The decreasing order of acidic character among ethane $(I)$, ethene $(II)$, ethyne $(III)$ and propyne $(IV)$ is
The density of kerosene is $800 \,kg \,m^{-3}$. Its relative density is
The correct order of decreasing electronegativity values among the elements $I-beryllium, II-oxygen, III-nitrogen$ and $IV-magnesium$, is
The crystal with metal deficiency defect is
The catalytic activity of the transition metals and their compounds is ascribed to:
The alkaline earth metal with the least density value is
The acidic, basic or amphoteric nature of $Mn_2O_7, V_2O_5$ and $CrO$ are respectively
Which one of the following statements about rocket propellants is not true?
The paramagnetism of $O^{+}_{2}$ is due to the presence of an odd electron in the MO
In the Victor-Meyer's test, the colours given by $1^\circ, 2^\circ$ and $ 3^\circ$ alcohols are respectively
Which one of the following is not a reducing sugar?
The compound without a chiral carbon atom is:
The aqueous solution/liquid that absorbs nitric oxide to a considerable extent is:
The rate of diffusion of methane at a given temperature is twice of a gas X. The molar mass of the gas X is:
In $NH_3$ synthesis by Haber?s process, what is the effect on the rate of the reaction with the addition of Mo and CO, respectively?
In a photoelectric experiment, if both the intensity and frequency of the incident light are doubled, then the saturation photoelectric current
How many peroxy linkages are present in $CrO_5$ ?
Glutaric acid is
Gabriel?s phthalimide synthesis can be used to prepare
Chloroform reacts with oxygen in the presence of light to give
Two moles of $ PC{{l}_{5}} $ is heated in a closed vessel of $ 2L $ capacity. When the equilibrium is attained 40% of it has been found to be dissociated. What is the $ {{K}_{c}} $ in $ mol/d{{m}^{3}} $ ?
The vant Hoff factor of $ BaC{{l}_{2}} $ at $ 0.01 \,M $ concentration is $ 1.98 $ . The percentage of dissociation of $ BaC{{l}_{2}} $ at this concentration is:
In which of the following molecules the central atom does not follow the octet rule ?
Arsenic containing medicine used for the treatment of syphilis, is
An element crystallising in body centred cubic lattice has an edge length of $500\,pm$. If its density is $4\,g\,cm^{-3}$, the atomic mass of the element (in $g \,mol^{-1}$) is (consider $N_A = 6 \times 10^{23}$)