HSC Science (Electronics) 12th Standard Board Exam - Maharashtra State Board Question Bank Solutions

How are the following compound obtained from alkyne?

Acetaldehyde

How are the following compound obtained from alkyne?

Acetone

What is the action of hydrogen cyanide on the following?

Acetone

Isotonic solutions are the solutions having the same ______.

A solution containing 10 g glucose has osmotic pressure 3.84 atm. If 10 g more glucose is added to the same solution, what will be its osmotic pressure? (Temperature remains constant)

Write a note on Clemmensen reduction.

As temperature increases ______.

Which one of the following has lowest boiling point?

Do tertiary amines have 'H' bonded to 'N'?

Why do tertiary amines not react with benzene sulfonyl chloride?

Give an example (reaction) of oxidizing reaction of KMnO₄ in acidic medium.

Write balanced equation of a reaction in which ozone reduces hydrogen peroxide.

Calculate the work done in oxidation of so_2(g) at 25°C if, \[\ce{2SO_{2(g)} + O2_{(g)} -> 2SO_{3(g)}}\], R = 8.314 J K⁻¹ mol⁻¹.

Write any two characteristics of interhalogen compounds.

Write the reaction of the following with concentrated H₂SO₄:

NaCl

Write the reaction of the following with concentrated H₂SO₄:

KNO₃

Write the reaction of the following with concentrated H₂SO₄:

CaF₂

Write any four applications of buffer solution.

What are the basic oxides? Explain with an example.

What is a pseudo first order reaction?