List of top Chemistry Questions

Write balanced chemical equation of the reaction of ethanamine with Hinsberg reagent.
Write balanced chemical equation of the reaction of ethanamine with NaNO\(_2\) + dil. HCl.
What are tetrahedral voids?
Explain the method of preparation of ozone gas by electric discharge method.
Reaction of nitric acid and zinc.
Write I.U.P.A.C. name of CH\(_3\)CH\(_2\)OCH\(_2\)CH\(_2\)CH\(_3\).
Which of 0.1 M urea and 0.1 M NaCl will have more osmotic pressure? Explain with reason.
Reaction of NaNO\(_3\) and H\(_2\)SO\(_4\).
Reaction of conc. HNO\(_3\) with I\(_2\).
State any four properties of d-block elements.
Explain the following: (A) Conductance, (B) Cell constant.
Find oxidation number and coordination number of Fe in K\(_4\)[Fe(CN)\(_6\)].
Explain hybridisation on Ni in [Ni(CN)\(_4\)]\(^{2-}\).
Phenol shows acidic character but ethanol remains approximately neutral. Why?
Write the formula of half-life period for first order reaction.
In a first order reaction the concentration of a substance gets dissociated by 99% of the initial concentration in 100 minutes. Calculate the velocity constant of the reaction.
Calculate the osmotic pressure of 5% aqueous urea solution (w/v) at 27$^\circ$C. Molecular weight of urea = 60. (R = 0.0821 L atm K$^{-1}$ mol$^{-1}$)
Silver forms ccp lattice. Edge length of its unit cell is 408.6 pm. Calculate the density of silver. (Atomic weight of Ag = 108)
Differentiate between coordination compound and double salt.
Unit of specific conductance is:
Name one disaccharide and write its molecular formula.
State Hardy–Schulze law.
State the name and formula of electrophile used in the nitration of benzaldehyde.
State anti-osmosis with example.
Write the names of two lyophilic and two lyophobic colloids.