List of top Chemistry Questions

Which one of the following substances has the highest proton affinity ?
Which orbital notation does not have spherical node ?
Which out of the following gases is obtained when ammonium dichromate is heated ?
Which out of the following has the largest size ?
Which out of the following does not exist in the solid state ?
Which out of the following interhalogen compounds is T-shaped ?
Which out of the following is called stranger gas ?
Which out of the following metal oxides is the most acidic ?
Which reagent cannot be used to prepare an alkyl halide from an alcohol ?
Which shows maximum catenation property ?
Which set of characteristics of ZnS crystal is correct?
Which solid will have weakest intermolecular forces?
Which step is chain propagation step in the following mechanism? $(i)$ $ {Cl2 ->[hv] Cl^{?? + Cl^{??}$ $(ii)$ $ {Cl^{?? + CH4 -> ^{??CH3 + HCl}$ $(iii)$ $ {Cl^{?? + Cl^{?? -> Cl2}$ $(iv)$ $ {^{??CH3 + l^{??C -> CH3Cl}$
Which thermodynamic property provides a measure of randomness in the system^?
Which thermochemical process is shown by the following figure?
Which transition metal has lowest density ?
Which type of overlapping is shown by $p (p_x, p_y$ and $p_z)$-orbitals?
Which value of $l$ will represent double dumb-bell shape of the orbital ?
Which types of bonds are present between two carbon atoms in acetylene molecule?
White P is more reactive than $N_2$ because
Why all $P - F$ bonds in $PF_5$ are not equivalent ?
Why do noble gases have positive electron gain enthalpy?
Why is ferric hydroxide colloid positively charged when prepared by adding ferric chloride to hot water?
Why is alum added to water containing suspended impurities?
Why is partial roasting of sulphide ore done in metallurgy of copper?