List of top Chemistry Questions

Define Extensive property. Calculate the work done during the expansion of 2 moles of an ideal gas from 10 dm\(^3\) to 20 dm\(^3\) at 298 K in vacuum.
A weak monobasic acid is 10 percent dissociated in 0.05 M solution. What is percent dissociation in 0.15 M solution?
Draw structures of the following compounds:
i. Chloric acid
ii. Peroxydisulphuric acid
Write the reactions for the formation of nylon 6,6 polymer.
Define Osmosis. How will you determine molar mass of non-volatile solute by elevation of boiling point?
Define: Acidic buffer solution. Write the relationship between solubility and solubility product for PbI\(_2\).
Write chemical reaction for the preparation of glucose from sucrose. Write structure of D-ribose.
Explain the following terms:
i. Substitutional impurity defect
ii. Interstitial impurity defect
Define: Green chemistry. Write two advantages of nanoparticle and nanotechnology.
What is the action of the following reagents on ethyl amine:
i. Chloroform and caustic potash
ii. Nitrous acid
Write the chemical composition of cryolite.
Write the name of platinum complex used in the treatment of cancer.
Write the name of the technique used to know geometry of nanoparticles.
Write the name of the product formed by the action of LiAlH4/ether on acetamide.
Distinguish between lanthanides and actinides.
Write the structure of the product formed when chlorobenzene is treated with sodium metal in the presence of dry ether.
Write the correct condition for spontaneity in terms of Gibbs energy.
Calculate molar conductivity for 0.5 M BaCl\(_2\) if its conductivity at 298K is 0.01 \( \Omega^{-1} \text{cm}^{-1} \).
The correct formula of a complex having IUPAC name Tetraamminedibromoplatinum (IV) bromide is _______.
The spin only magnetic moment of Mn\(^{2+}\) ion is _______.
Ozonolysis of 2,3-dimethyl but-2-ene, followed by decomposition by Zn dust and water gives _______.

The product of following reaction is

The allylic halide, among the following is _______.
The monomer of natural rubber is _______.
The pH of weak monoacidic base is 11.2, its OH⁻ ion concentration is: