HSC Science (Electronics) १२ वीं कक्षा - Maharashtra State Board Question Bank Solutions

Write the unit of rate constant of zero order reaction.

Calculate the pH of the buffer solution containing 0.5 mol NaF and 0.015 mol HF per litre. [pKa = 3.1427].

What is the action of hydrochloric acid on the following?

NH₃

What is the action of hydrochloric acid on the following?

Na₂CO₃

Define and explain the S_N1 mechanism with a suitable example.

Define pOH.

Derive relationship between pH and pOH.

What is the action of H₂ on elements of group 17?

What is the action metal on elements of group 17?

If pH of a solution is 3.12, what would be the concentration of H⁺ ion?

The value of Δ U is ______ when 2 kJ of heat is released and 6 kJ of work is done on the system.

The mole fraction of the solute molal aqueous solution is:

What is the colour of Cu⁺ ion?

How much vacant space is present in hep crystal lattice?

What is zero order reaction?

Define pH.

Derive relationship between pH and pOH.

Write the reaction of Acetyl chloride on triethylamine.

Discuss the mechanism of alkaline hydrolysis of methyl bromide.

Write two uses of ether