HSC Science (Electronics) १२ वीं कक्षा - Maharashtra State Board Important Questions for Chemistry

Write two differences between an ideal solution and a non-ideal solution.

Write two differences between an ideal solution and a non-ideal solution.

Calculate the freezing point of the solution when 31 g of ethylene glycol (C₂H₆O₂) is dissolved in 500 g of water.

(K_f for water = 1.86 K kg mol^–1)

Define osmotic pressure.

Define osmotic pressure.

Define isotonic solutions.

Define isotonic solutions.

Define the following term:
isotonic solution

Define the following term:
isotonic solution

The units of Henry’s law constant are ______.

The colligative properties of solutions _______.

Distinguish between ideal and non-ideal solutions.

Explain the osmotic pressure of a solution with the help of a thistle tube.

Explain the osmotic pressure of a solution with the help of a thistle tube.

Write mathematical equation of first law of thermodynamics for the following processes :
Adiabatic process.

State and explain Hess’s law of constant heat summation.

Label the one conjugate acid-base pair in the following reaction.

\[\ce{CO^{2-}_{3(aq)} + H2O_{(l)} ⇌ OH^- + HCO^-_3}\]

Derive the relationship between pH and pOH.

Write mathematical equation of first law of thermodynamics for the following processes :
Adiabatic process.

Define cell constant.