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

The rate constant for the reaction:

\[\ce{2N2O_{(s)} ->2N2O4_{(g)}}\] is 4.98 × 10^-4 s^-1.

The order of the reaction is ______.

How much coulomb is one faraday?

Write the equation for integrated rate law for a first order reaction.

Show that `t_(1/2)= 0.693/k` for first reaction.

Write the unit of rate constant [k] for the first order reaction.

Name and draw structure of the repeating unit in natural rubber.

Match the following pairs:

What is the action of Methyl chloride in presence of anhydrous aluminium chloride on chlorobenzene?

Write a note on ionic product (K_w) of water

Write the reaction of Acetyl chloride on ethanamine.

The standard electrode potential of electrode

\[\ce{\underset{(0.02M)}{Zn^2+ (aq)} || Zn(s)}\] is -0.76 V. Calculate its electrode potential.

Calculate work done when 0.5 moles of C0₂ is compressed isothermally and reversibly at 298 K from 100 kPa to 263.4 kPa. (R = 8.314 kJ mol^-1 K^-1)

Three moles of ideal gas is compressed isothermally and reversibly to a volume of 2 dm³ . The work done is 2.984 kJ at 22°c. Calculate V₁ for the gas.

Write a note on starch.

Identify the chiral molecule from the following.

Identify the chiral molecule from the following.

Identify chiral molecule/s from the following.

Write preparation of diethyl ether.

The number of particles present in Face Centred Cubic Unit cell is/are ______.

The monomer used in preparation of teflon is ______.