List of top Chemistry Questions

The IUPAC name of complex compound [Co(NH$_3$)$_6$]Cl$_3$ is
Match List - I with List - II: List - I: (A) \( {[MnBr}_4]^{2-} \)
(B) \( {[FeF}_6]^{3-} \)
(C) \( {[Co(C}_2{O}_4)_3]^{3-} \)
(D) \( [Ni(CO)_4] \)
List - II: (I) \( d^2sp^3 \) & diamagnetic
(II) \( sp^2d^2 \) & paramagnetic
(III) \( sp^3 \) & diamagnetic
(IV) \( sp^3 \) & paramagnetic
Choose the correct answer from the options given below:
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?
An organic compound (X) having molecular formula C$_5$H$_10$O can show various properties depending on its structures. Draw each of the structures if it:
(I) shows Cannizzaro reaction.
(II) reduces Tollens' reagent and has a chiral carbon.
(III) gives positive iodoform test.

In the given reaction sequence, the structure of Y would be:

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.
What is the number of moles in 18 g of water (\( \text{H}_2\text{O} \))?
Which of the following acids is a strong acid?
What is the pH of a \( 0.01 \, \text{M} \) solution of \( \text{HCl} \)?
Assertion (A): Molecularity of reaction is determined experimentally. Reason (R): Molecularity is applicable only for an elementary reaction and not for a complex reaction.
Match each complex to its geometry:
Which of these separation technique pairs is correctly matched?
Which aniline derivative is a commonly used dental local anaesthetic?
Pick the reaction that shows the Gattermann-Koch process:
Which metal reacts most with dilute acid to displace hydrogen?
When phenol is treated with NaOH, CO_2 (heat), and then acidified, what results?
Highest oxidation numbers for chromium and manganese:
Which element releases electrons most easily (lowest ionization enthalpy)?
If a compound has octahedral geometry, what is the central atom’s hybridization?