List of top Chemistry Questions

Draw labelled diagram of H\(_2\) – O\(_2\) fuel cell. Write two applications of fuel cell.
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.
2000 mmol of an ideal gas expanded isothermally and reversibly from 20 L to 30 L at 300 K, calculate the work done in the process (\( R = 8.314 \, \text{J K}^{-1} \text{mol}^{-1} \)).
A weak monobasic acid is 10 percent dissociated in 0.05 M solution. What is percent dissociation in 0.15 M solution?
Write the reactions for the formation of nylon 6,6 polymer.
Draw structures of the following compounds:
i. Chloric acid
ii. Peroxydisulphuric acid
Define Osmosis. How will you determine molar mass of non-volatile solute by elevation of boiling point?
What is the action of the following reagents on ethyl amine:
i. Chloroform and caustic potash
ii. Nitrous acid
Define: Green chemistry. Write two advantages of nanoparticle and nanotechnology.
Define: Acidic buffer solution. Write the relationship between solubility and solubility product for PbI\(_2\).
Explain the following terms:
i. Substitutional impurity defect
ii. Interstitial impurity defect
Write chemical reaction for the preparation of glucose from sucrose. Write structure of D-ribose.
Write the name of the product formed by the action of LiAlH4/ether on acetamide.
Write the structure of the product formed when chlorobenzene is treated with sodium metal in the presence of dry ether.
Distinguish between lanthanides and actinides.
Write the name of the technique used to know geometry of nanoparticles.
Calculate molar conductivity for 0.5 M BaCl\(_2\) if its conductivity at 298K is 0.01 \( \Omega^{-1} \text{cm}^{-1} \).
Write the chemical composition of cryolite.
Write the correct condition for spontaneity in terms of Gibbs energy.
Write the name of platinum complex used in the treatment of cancer.

The product of following reaction is

The monomer of natural rubber is _______.
The allylic halide, among the following is _______.
The correct formula of a complex having IUPAC name Tetraamminedibromoplatinum (IV) bromide is _______.
Ozonolysis of 2,3-dimethyl but-2-ene, followed by decomposition by Zn dust and water gives _______.