Chemistry 2nd Paper CQ-Mymensingh Board-2023

What is called standard electrode potential?

Why the conjugate base of weak acid is strong? Explain.

Explain the mechanism of the preparation of compound ' $\mathrm{R}$ ' from ' $\mathrm{Q}$ ' in the stem.

Between compound ' $Q$ ' and ' $R$ ' which one undergo nitration reaction easily? Explain.

What is called Boyle's temperature?

Why ethene and propene are homologous to each other? Explain.

Balance the reaction with an ion-electron method that takes place in vessel-A of the stem.

Whether the iron bar of the stem is pure? Analyze mathematically.

What is called permanent hardness of water?

$\mathrm{BF}_{3}$ is a Lewis acid-Explain.

Write down the identification test of the functional group of the compound ' $Q$ ' with equation in the stem.

Between compound ' $\mathrm{M}$ ' and ' $\mathrm{N}$ ' in the stem which one will exhibit stereoisomerism? Analyze.

What is called racemic mixture?

Explain the role of salt bridge in Galvanic cell.

Determine the concentration of the solution that kept in vessel 'A' in ppm unit.

What will be the nature of the mixture when the solutions of vessel ' $\mathrm{A}$ ' and vessel ' $\mathrm{B}$ ' are mixed? Analyze mathematically.

What is called Redox reaction?

Why COD value of sample water is higher than BOD value? Explain.

How will you separate the components from the mixture of ' $\mathrm{X}$ ' and ' $\mathrm{Y}$ '? Write down with equation.

Whether the compound ' $\mathrm{Y}$ ' and ' $\mathrm{Z}$ ' will exhibit same characteristics reaction? Analyse.