List of top Chemistry Questions

Atomic number of element with lowest first ionisation enthalpy is
The IUPAC name of complex compound [Co(NH$_3$)$_6$]Cl$_3$ is
Write the products of the following reactions:
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Hydrogen atom of chloroform is acidic in nature.
The maximum covalency of a non-metallic group 15 element 'E' with the weakest E-E bond is:
In compound (X), hyperconjugation is present and in (Y), resonance effect is present. What are X and Y, respectively?
Which one of the following, with HBr, will give a phenol?
Which of the following gases will deviate most from ideal behavior at high pressure?
Which of the following compounds can be coloured?
Explain Raoult's Law. The vapour pressure of chloroform (\( \text{CHCl}_3 \)) and dichloromethane (\( \text{CH}_2\text{Cl}_2 \)) are 200 mm Hg and 4.5 mm Hg respectively at 298 K. Calculate the vapour pressure of the solution formed by mixing 51 g of \( \text{CHCl}_3 \) and 20 g of \( \text{CH}_2\text{Cl}_2 \) at 298 K.
Which of these separation technique pairs is correctly matched?
Match each complex to its geometry:
Pick the reaction that shows the Gattermann-Koch process:
Which aniline derivative is a commonly used dental local anaesthetic?
Highest oxidation numbers for chromium and manganese:
Which metal reacts most with dilute acid to displace hydrogen?
Which element releases electrons most easily (lowest ionization enthalpy)?
Which ligand is stronger based on the spectrochemical series?
If a compound has octahedral geometry, what is the central atom’s hybridization?
When phenol is treated with NaOH, CO_2 (heat), and then acidified, what results?
What is the bond order for diatomic carbon according to molecular orbital theory?
Choose the correct ascending order of ionization energy for Zn, Cu, Ag:
Which compound’s common name is cumene?
Rank elements Li, Be, B, C in increasing first ionization energy:
Evaluate these statements about transition metals: