List of top Chemistry Questions asked in VITEEE

The solubility product of \( \text{Ag}_2 \text{CrO}_4 \) is \( 3.2 \times 10^{-12} \). What is the concentration of \( \text{CrO}_4^{2-} \) ions in that solution?
An \( f \)-shell containing 6 unpaired electrons can exchange?
The standard molar heat of formation of ethane, CO2, and water (\( \Delta H_f \)) are respectively -21.1, -94.1, and -68.3 kcal. The standard molar heat of combustion of ethane will be?
Which sequence of reactions shows correct chemical relation between sodium and its compounds?
The half-life of two samples are 0.1 and 0.8 S. Their respective concentration are 400 and 0.5. The order of the reaction is?
The equivalent conductivity of a solution containing 2.54g of CuSO4 per liter is 91.0 \( \Omega^{-1} \, \text{cm}^2 \). The conductivity would be?
In the reaction, \[ 8Al + 3Fe_2O_3 \longrightarrow 4Al_2O_3 + 9Fe \] the number of electrons transferred from the reductant to the oxidant is?
A metal has bcc structure and the edge length of its unit cell is 3.04 Å. The volume of the unit cell in cm³ will be?
MnO4- + 8H+ + 5e- → Mn2+ + 4H2O; \( E^\circ = 1.51 \, \text{V} \) MnO4- + 4H+ + 2e- → Mn2+ + 2H2O; \( E^\circ = 1.23 \, \text{V} \)
The rate constant for forward reaction and backward reaction of hydrolysis of ester are \( 1.1 \times 10^{-2} \) and \( 1.5 \times 10^{-3} \) per minute respectively. Equilibrium constant for the reaction is?
A 1.0 M NaOH reacts with 20 mL of HCl solution for complete neutralisation. The molarity of HCl solution is?
Among [Fe(H2O)6]3+, [Fe(CN)6]3-, [Fe(CO)6]3- species, the hybridization state of the Fe atom is?
Which of the following hydrogen bonds are strongest in vapour phase?
The volume strength of 1.5 N H2O2 solution is?
The sodium extract of an organic compound on acidification with acetic acid and addition of lead acetate solution gives a black precipitate. The organic compound contains?
The standard molar heat of formation of ethane, $CO_2$ and water are respectively $-21.1, -94.1$ and $-68.3\, kcal$. The standard molar heat of combustion of ethane will be
The equivalent conductivity of a solution containing $2.54\, g$ of $CuSO _{4}$ per $L$ is $91.0\, W ^{-1} cm ^{2} eq ^{-1}$. Its conductivity would be
The solubility product of $Ag _{2} CrO _{4}$ is $32 \times 10^{-12}$. What is the concentration of $CrO _{4}^{-}$ions in that solution?
Which of the following hydrogen bonds are strongest in vapour phase?
$ {Ph - C \equiv C- CH_3 ->[Hg^{2+} / H^+ ] A }$
According to Bohr?s theory, the angular momentum for an electron of $3rd$ orbit is
Which of the following isomerism is shown by ethyl acetoacetate?
The rate constant for forward reaction and backward reaction of hydrolysis of ester are $1.1 \times 10^{-2}$ and $1.5 \times 10^{-3}$ per minute respectively. Equilibrium constant for the reaction is $CH _{3} COOC _{2} H _{5}+ H _{2} O \rightleftharpoons CH _{3} COOH + C _{2} H _{5} OH$
The volume strength of $1.5 \, N \, H_2O_2$ solution is
A gaseous reaction $X_2(g) \to Y + \frac{1}{2} Z(g)$ There is increase in pressure from $100 \,mm$ to $120 \,mm$ in $5$ minutes. The rate of disappearance of $X_2$ is