List of top Questions asked in VITEEE

Which one of the following is the most effective in the coagulation of an \(As_2S_3\) sol?
For a first order reaction at \(27^\circ C\), ratio of time required for \(75%\) completion to \(25%\) completion of reaction is
The equilibrium constant for the given reaction is \(100\).
\[ N_2(g) + 2O_2(g) \rightleftharpoons 2NO_2(g) \]
What is the equilibrium constant for the reaction given below?
\[ NO_2(g) \rightleftharpoons \frac{1}{2}N_2(g) + O_2(g) \]
\(20\,mL\) of \(0.1\,M\) acetic acid is mixed with \(50\,mL\) of potassium acetate. \(K_a\) of acetic acid \(= 1.8\times 10^{-5}\). At \(27^\circ C\), calculate the concentration of potassium acetate if pH of the mixture is \(4.8\).
The cubic unit cell of a metal (molar mass = \(63.55\,g\,mol^{-1}\)) has an edge length of \(362\,pm\). Its density is \(8.92\,g\,cm^{-3}\). The type of unit cell is
For the following cell reaction:
\[ Ag|Ag^+||AgCl|Cl^-|Cl_2,Pt \]
\[ \Delta G_f^\circ(AgCl) = -109\,kJ/mol \]
\[ \Delta G_f^\circ(Cl^-) = -129\,kJ/mol \]
\[ \Delta G_f^\circ(Ag^+) = 78\,kJ/mol \]
\(E^\circ\) of the cell is
At \(25^\circ C\), the molar conductances at infinite dilution for the strong electrolytes NaOH, NaCl and BaCl\(_2\) are \(248\times 10^{-4}\), \(126\times 10^{-4}\) and \(280\times 10^{-4}\,S\,m^2\,mol^{-1}\) respectively. \(\lambda_m^\circ\) of \(Ba(OH)_2\) in \(S\,m^2\,mol^{-1}\) is
The synthesis of crotonaldehyde from acetaldehyde is an example of ...... reaction.
Fluorine reacts with dilute NaOH and forms a gaseous product \(A\). The bond angle in molecule of \(A\) is
The number of \(\pi\) and \(\pi^\ast\) \(\pi_{z}\) bonds present in \(XeO_3\) and \(XeO_4\) molecules, respectively are
The type of bonds present in sulphuric anhydride are
Which pair of oxyacids of phosphorus contains \(P-P\) bonds?
SiCl\(_4\) on hydrolysis forms \(X\) and HCl. Compound \(X\) loses water at \(1000^\circ C\) and gives \(Y\). Compounds \(X\) and \(Y\) respectively are
The wave velocities of electron waves in two orbits is \(a:5\). The ratio of kinetic energy of electrons is
Electrons with a kinetic energy of \(6.023 \times 10^{-19}\,J\) are evolved from the surface of a metal, when it is exposed to a radiation of wavelength of \(600\,nm\). The minimum amount of energy required to remove an electron from the metal atom is
Dipole moment of HCl = \(1.03\,D\), HI = \(0.38\,D\). Bond length of HCl = \(1.3\,\AA\) and HI = \(1.6\,\AA\). The ratio of fraction of electric charge \(\delta\) existing on each atom in HCl and HI is
\(1.5g\) of \(CdCl_2\) was found to contain \(0.9g\) of Cd. Calculate the atomic weight of Cd.
How many tripeptides can be prepared by linking the amino acids glycine, alanine and phenyl alanine?
A codon has a sequence of \(A\) and specifies a particular \(B\) that is to be incorporated into a \(C\). What are \(A\), \(B\), \(C\)?
Parkinson's disease is linked to abnormalities in the levels of dopamine in the body. The structure of dopamine is
\(\cos^{-1}\left(-\frac{1}{2}\right)-2\sin^{-1}\left(\frac{1}{2}\right)+3\cos^{-1}\left(-\frac{1}{\sqrt{2}}\right)-4\tan^{-1}(-1)\) equals
If \(f:\mathbb{R}\rightarrow \mathbb{R}\) is defined by
\[ f(x)= \begin{cases} \dfrac{2\sin x-\sin 2x}{2x\cos x}, & x\neq 0 \\ a, & x=0 \end{cases} \] then the value of \(a\) so that \(f\) is continuous at \(0\) is
The line \(x=\frac{\pi}{4}\) divides the area of the region bounded by \(y=\sin x\), \(y=\cos x\) and x-axis \((0\leq x\leq \frac{\pi}{2})\) into two regions of areas \(A_1\) and \(A_2\). Then \(A_1:A_2\) equals
The solution of the differential equation
\[ \frac{dy}{dx}=\sin(x+y)\tan(x+y)-1 \] is
If \(p\Rightarrow(\sim p\vee q)\) is false, then the truth value of \(p\) and \(q\) are respectively