List of top Chemistry Questions asked in VITEEE

Dipole moment of $HCl =1.03\, D , HI =0.38 \,D$. Bond length of $HCl =1.3\,�$and $HI =1.6 \,�$. The ratio of fraction of electric charge, $\delta$, existing on each atom in $HCl$ and $HI$ is

Which one of the following order is correct for the first ionisation energies of the elements?

The type of bonds present in sulphuric anhydride are

What are $X$ and $Y$ in the following reaction sequence $C _{2} H _{5} OH \ce{->[{ Cl _{2} }]} \underline{X} \ce{->[{ Cl _{2}}]}\underline{Y}$

$pH$ of a buffer solution decreases by $0.02$ units when $0.12\,g$ of acetic acid is added to $250\, mL$ of a buffer solution of acetic acid and potassium acetate at $27^{\circ} C$. The buffer capacity of the solution is

The chemical entities present in thermosphere of the atmosphere are

For the following cell reaction $Ag \left| Ag ^{+}\right| AgCl \left| Cl ^{\ominus}\right| Cl _{2}, Pt$ $\Delta G ^{\circ} f ( AgCl )=-109\, kJ / mol$ $\Delta G ^{\circ} f \left( Cl ^{-}\right)=-129\, kJ / mol$ $\Delta G ^{\circ} f \left( Ag ^{+}\right) 78 \,kJ / mol$ $E ^{\circ}$ of the cell is

How many ' $mL$' of perhydrol is required to produce sufficient oxygen which can be used to completely convert $2 \,L$ of $SO _{2}$ gas to $SO _{3}$ gas?

Which of the following is not a characteristic of transition elements ?

Which of the following sets consists only of essential amino acids ?

The continuous phase contains the dispersed phase throughout, Example is

Milk changes after digestion into :

Which of the following is ketohexose ?

$Cl - P - Cl$ bond angles in $PCl_5$ molecule are

Alkyl cyanides undergo Stephen reduction to produce

Anisole is the product obtained from phenol by the reaction known as

Which will not go for diazotization ?

When ethyl alcohol is heated with conc. $H_2SO_4$, the product obtained is :

The standard free energy change of a reaction is $\Delta G^{\circ}$ = - $115\,kJ$ at $298 \,K$. Calculate the equilibrium constant $k_p$ in $\log k_p$ $ (R = 8.314 \,Jk^{-1} mol^{-1}).$

When acetamide is hydrolysed by boiling with acid, the product obtained is :

The oxidation number of oxygen in $KO _{3}, Na _{2} O _{2}$ is

The magnetic moment of a salt containing $Zn ^{2+}$ ion is

The molar conductivities of $KCl, NaCl$ and $KNO_3$ are $152, 128 $ and $111\, S\,cm^2\, mol^{-1}$ respectively. What is the molar conductivity of $NaNO_3$?

The number of unpaired electrons calculated in $[Co (NH_3)_6]^{3+}$ and $Co (F_6)Z^{3-}$ are

The number of formula units of calcium fluoride, $CaF _{2}$ present in $146.4\, g$ of $CaF _{2}$ (the molar mass of $CaF _{2}$ is $78.08 \,g / mol$ ) is