Chemistry 2nd Paper CQ-Chittagong Board-2022

What is free radical?

Why aniline is weaker base than ammonia?

Determine the total pressure of the mixture when stop-cork is opened?

Between the two gases, the deviation from ideal behavior of A gas is more than B gas. Analyze.

What is disproportion reaction?

Decimolar solution is a standard solution. Explain.

Calculate the total potential of the cell of stem.

If pot-Q is made of ' $\mathrm{X}$ '-metal, express your opinion for the long time preservation of the cell.

What is Tollen's reagent?

Pyridine is an aromatic compound.--Why?

Determine the percentage of impurity of the ore in pot-A.

Balance the mentioned reaction by ion-election process by using $\mathrm{K}_{2} \mathrm{Cr}_{2} \mathrm{O}_{7}$ as oxidant.

What is functional group?

Benzene is a polymer of ethyne. Explain.

Express the concentration of the solution of pot-B in percent unit.

Determine the $\mathrm{pH}$ with nature of the mixture (A+ B) of stem.

What is RMS velocity?

How will you establish the concept "Absolute zero temperature" from Charle's Law?

How will you prepare carbolic acid from compound-'P'? Explain with equation.

Compound- $\mathrm{Q}$ is more reactive than compound-$P$ in electrophilic substitution reaction Analyze with the help of resonance.