List of top Chemistry Questions

Which of the following correspond $(s)$ has '$Z$' configuration?
Which one of the following graphs represents "Freundlich adsorption isotherm'' ?
When $25\, g$ of a non-volatile solute is dissolved in $100\,g$ of water, the vapour pressure is lowered by $2.25 \times 10^{-1}\, mm$. If the vapour pressure of water at $20^{\circ} C$ is $17.5\, mm$, what is the molecular weight of the solute?
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}).$
Reaction of $PCl _{3}$ and $PhMgBr$ would give
Anisole is the product obtained from phenol by the reaction known as
When acetamide is hydrolysed by boiling with acid, the product obtained is :
When ethyl alcohol is heated with conc. $H_2SO_4$, the product obtained is :
Which will not go for diazotization ?
Which of the following is not a characteristic of transition elements ?
The number of hydrogen atoms present in $25.6\, g$ of sucrose $\left( C _{12} H _{22} O _{11}\right)$ which has a molar mass of $342.3\, g$ is
Which of the following is ketohexose ?
Milk changes after digestion into :
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
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 oxidation number of oxygen in $KO _{3}, Na _{2} O _{2}$ is
The IUPAC name of the given compound $\left[ Co \left( NH _{3}\right)_{5} Cl \right] Cl _{2}$ is
The magnetic moment of a salt containing $Zn ^{2+}$ ion is
Which of the following sets consists only of essential amino acids ?
$Cl - P - Cl$ bond angles in $PCl_5$ molecule are
The continuous phase contains the dispersed phase throughout, Example is
Alkyl cyanides undergo Stephen reduction to produce
$2N HCl$ solution will have same molar concentration as a
Which one of the following chlorohydrocarbons readily undergoes solvolysis?