List of top Chemistry Questions

Surface tension (T) of a liquid is equal to the work (W) required to increase the surface area ($\Delta A$) of the liquid film by unity at constant temperature. If the volume of a big drop is $27 \times$ the volume of a small drop, the change in surface energy is:
Which of the following has highest second ionisation energy?
Phenols are more acidic than alcohols because:
In van der Waals' equation of state of the gas law, the constant 'b' is a measure of:
Which reaction intermediate is formed during the condensation reaction between acetaldehyde and formaldehyde?
Lemon gives sour taste because of:
2, 2-dichloro propane on hydrolysis yields:
Which of the following has highest second ionisation energy?
Lemon gives sour taste because of:
When ammonium chloride is added to ammonia solution, the pH of the resulting solution will be:
Phenols are more acidic than alcohols because:
2, 2-dichloro propane on hydrolysis yields:
In van der Waals' equation of state of the gas law, the constant 'b' is a measure of:
Which reaction intermediate is formed during the condensation reaction between acetaldehyde and formaldehyde?
Equivalent weight of a bivalent metal is 37.2. The molecular weight of its chloride is:
Name the end product in the following series of reactions: $\text{CH}_{3}\text{COOH} \xrightarrow{\text{NH}_{3}} \text{A} \xrightarrow{\text{Heat}} \text{B} \xrightarrow{\text{P}_{4}\text{O}_{10}} \text{C}$
The formation of cyanohydrin from acetone is which type of reaction?
Which type of stacking pattern is found in sodium chloride crystal lattice?
The presence of unpaired electron in phosphorous atom is explained by which principle?
The concentration of a reactant X decreases from $0.1 M$ to $0.005 M$ in $40 min$. If the reaction follows first order kinetics, the rate of the reaction when the concentration of X is $0.01 M$ will be:
At $pH = 4$, glycine exists as:
Which of the following taking place in the blast furnace is endothermic?
The formation of cyanohydrin from acetone is which type of reaction?
When a mixture of calcium benzoate and calcium acetate is dry distilled, the resulting compound is:
Insulin regulates the metabolism of: