Chemistry 2nd Paper CQ-Rajshahi Board-2022

Write Huckel Rule.

Molarity is temperature dependent- Explain.

What kind of stereo isomerism is showed by compound-D of the stem? Explain.

With suitable mechanisms how that compound-C follows Markovnikov's Rule.

What is standard oxidation potential? 1

Determine the charge of one electron from Faraday's law.

Determine the potential of the cell that is formed by (i) and (iii) no. electrode with salt-bridge.

If the solutions of the salt of $A$ and $C$ are kept in B-made pot, which one will be decayed by chemical reaction? Analyze.

Write the IUPAC name of $\left(\mathrm{CH}_{3}\right)_{3} \mathrm{COH}$.

When two compounds are enantiomers? Explain.

Balance the reaction that is occurred between solution-3 and solution-4 by ion-electron process.

Solution -2 is needed to oxidize $30 \mathrm{~mL}$ of solution1 . Then what will be the percentage of impurity of iron-ore?

What is oxidation number?

Determine the value of molar gas constant in C.G.S unit.

Determine the kinetic energy of $10 \mathrm{~g} B$ gas in Joule unit at $27^{\circ} \mathrm{C}$ temperature.

At which condition A and B gas will act as D gas? Analyze.

Write the formula of d-Lactic acid.

Electrolysis is a Redox-reaction-Explain.

Explain the mechanism of the preparation of $\mathrm{Z}$ from $Y$.

If $\mathrm{Y}$ and $\mathrm{Z}$ undergo nitration, different compound is formed-Explain with resonance.