List of top Chemistry Questions

Boron does not form $B^{3+}$ ions whereas Al forms $Al^{3+}$ ions. This is because

Bond order and magnetic moment of $CO^+$ is

Bond order of N-O bonds in nitrate ion is

Bond dissociation energy of $O_2(g) \, is \, x \, kJ \, mol^{-1}$. This means that

Bond dissociation enthalpy of $E?? (E =$ element$)$ bonds is given below. Which of the compounds will act as strongest reducing agent ?

Boiling points of the hydrogen halides

Boiling point of hydrogen fluoride is highest amongst $HF$, $HCl$, $HBr$ and $HI$. Which type of intermolecular forces are present in hydrogen fluoride?

Boiling point of alcohol is comparatively higher than that of corresponding alkane due to

BOD is connected with

Bohr?? theory can also be applied to the ions like

Blood may be purified by

Blister copper obtained during extraction from cuprous oxide is called so because

Bleaching action of $ {SO_2}$ is due to

Bleaching action of $SO_2$ is due to its

Biochemical Oxygen Demand, $(BOD)$ is a measure of organic material present in water. $BOD$ value less than $5\, ppm$ indicates a water sample to be_______.

Biodegradable pollutant is

$BF_3$ on hydrolysis gives

Benzyl amine reacts with nitrous acid to form

Best way to prevent rusting of iron is by

$BeO$ is insoluble but $BaO$ is soluble as

Benzoquinone is prepared by reaction of phenol with

Benzyl alcohol is obtained from benzaldehyde by

Benzene does not undergo addition reaction easily because

Benzene on ozonolysis yields

Benzenediazonium chloride on treatment with KCN in presence of copper powder gives :