List of top Questions asked in VITEEE

In CsCl type structure, the co-ordination number of \( {Cs}^+ \) and \( {Cl}^- \) respectively are:
The order of increasing sizes of atomic radii among the elements O, S, Se, and As is:
Heroin is a derivative of:
Lyophilic sols are more stable than lyophobic sols because:
A catalyst is a substance which:
Among the following, the species having the smallest bond order is:

An alkene having molecular formula \( {C}_7{H}_{14} \) was subjected to ozonolysis in the presence of zinc dust. An equimolar amount of the following two compounds was obtained. The IUPAC name of the alkene is:
 

The IUPAC name of the following compound is:

Water is:

The partial pressure of \( CH_3OH(g) \), \( CO(g) \), and \( H_2(g) \) in an equilibrium mixture for the reaction:

\[ CO(g) + 2H_2(g) \rightleftharpoons CH_3OH(g) \]

are 2.0, 1.0, and 0.1 atm respectively at \( 427^\circ C \). The value of \( K_p \) for the decomposition of \( CH_3OH \) to \( CO \) and \( H_2 \) is:

An electron moving with speed \( v \) and a photon with speed \( c \), have the same de-Broglie wavelength. The ratio of kinetic energy of the electron to that of the photon is:
An ideal gas expands against a constant external pressure of 2.0 atmosphere from 20 litre to 40 litre and absorbs 10 kJ of heat from the surrounding. What is the change in internal energy of the system? (given: \( 1 \, {atm-litre} = 101.3 \, {J} \))
Rate of dehydration of alcohols follows the order:
The value of van der Waals constant ' a ' for gases \( {O}_2 \), \( {N}_2 \), \( {NH}_3 \), and \( {CH}_4 \) are 1.360, 1.390, 4.170, and 2.253 L\(^2\)atm/mol\(^2\) respectively. The gas which can most easily be liquefied is:
The oxidation number of phosphorus in \( {Ba(H}_2{PO}_2)_2 \) is:
Which of the following is not a permissible arrangement of electrons in an atom?
Which of the following is a non-reducing sugar?
Which of the following has correct increasing basic strength?
Water sample is reported to be highly polluted if BOD (Biological Oxygen Demand) value of sample becomes:
The polymer used for optical lenses is:
200 mL of an aqueous solution of a protein contains 1.26 g. The osmotic pressure of this solution at 300 K is found to be \( 2.57 \times 10^{-3} \, {bar} \). The molar mass of the protein will be: (R = 0.083 L bar mol\(^{-1}\) K\(^{-1}\))
Assuming fully decomposed, the volume of \( {CO}_2 \) released will be:
Bauxite ore is generally contaminated with impurity of oxides of two elements X and Y. Which of the following statement is correct?
Boric acid is polymeric due to:
Lanthanoid contraction can be observed in: