HSC Science (Computer Science) इयत्ता १२ वी - Maharashtra State Board Question Bank Solutions for Chemistry

What is the O−S−O bond angle in SO₂?

Complete the following reaction:

\[\ce{SO_{2(g)} + Cl_{2(g)} ->[Charcoal]}\] ?

Name the solution which is formed by passing sulfur dioxide in water.

Draw resonance hybrid structure of SO₂ in two canonical forms.

Write the mathematical relation between ΔH and ΔU during the formation of one mole of CO₂ under standard conditions.

Write the expression showing the relation between enthalpy change and internal energy change for gaseous phase reaction.

Write one example of nanomaterial used in the following.

Tyre of car

Write one example of nanomaterial used in the following.

ancient glass painting

How is nanotechnology useful for the energy sector?

Explain pseudo-first-order reaction with an example.

How will you prepare acetic anhydride from acetic acid?

Acid anhydride on reaction with primary amine gives compound having a functional group ______.

Write the consequences of Schottky defect with reasons.

Derive an expression to calculate molar mass of non-volatile solute by osmotic pressure measurement.

Write chemical reactions of following reagents on methoxyethane:

dilute H₂SO₄

Calculate the pH of buffer solution composed of 0.01 M weak base BOH and 0.02 M of its salt BA. [K_b = 1.8 × 10^–5 for weak base]

Explain metal deficiency defect with examples.

AgBr shows which type of defect?

How acetone is converted into propane.

How propanal is converted into propane.