List of top Chemistry Questions asked in COMEDK UGET

For the dissociation of limestone in the slag zone of the blast furnace, the reaction is
Two ions $A^+$ and $B^-$ have radii 104 and 200 pm respectively, in a cubic close packed crystal of compound AB. The co-ordination no. of A is
An electron having spin quantum number, $s = -1/2$ and magnetic quantum number, $m = + 3$ can be present in
The ionisation constant of phenol is higher than that of ethanol because
The mole fraction of benzene in a solution containing 39% by mass in an organic solvent of molecular mass 122 is
The rate equation of a gaseous reaction is given by, $r = k[A][B]$. If the volume of reaction vessel is suddenly reduced to half of the initial volume, the reaction rate relating to the original rate will be
Phenyl isocyanide is formed when chloroform is treated with alcoholic potassium hydroxide and
Which of the following does not undergo aldol condensation reaction?
The pH of boiling water is 6.4. This implies that boiling water is
The effective atomic number (EAN) of central metal atom in $ {[Co(NH3)6]Cl_3}$ is (at. no. of Co=27]
A negative catalyst will
The dissociation constant of a weak base is $ {1 \times 10^{-5}}$ at 25?C. The pH of its 0.1 M solution at the same temperature.will be .
Oxidative rancidity of oils can be prevented by adding
ln cuprarnmonium sulphate, copper is
The conjugate acid of $ {HCO_3^-}$ is
Isopropyl chloride and isobutyl chloride reacts with sodium in ether to give?
Aldol condensation is given by
Methoxymethane and ethanol exhibit
According to Lewis concept, an acid is a/an
The decarboxylating agent is
The compound which gives hydrocarbon on distillation with zinc dust is
As we move from left to right in the 3d-series elements
With respect to the velocity constant of a reaction, which one of the following statement is not correct?
Iron is extracted by
An intensive property is