List of top Chemistry Questions

Which of the following compounds gives a secondary alcohol upon reaction with methylmagnesium bromide?
Which alkane would have only the primary and tertiary carbon?
Calculate the mass in kg of 4.48 dm$^3$ carbon dioxide at STP.

Calculate the number of moles present in 9.10 × 1016 kg of water.

Which of the following solutions will show highest freezing point depression?
Electronegativity of chlorine is less than oxygen because:
Which of the following is a primary amine?
Among 2nd period elements, correct electronegativity trend is:
Which law is illustrated by compounds H$_2$O and H$_2$O$_2$ formed from two different elements, H and O?
Which of the following is most reactive towards nucleophilic substitution?
Which reagent will best convert alcohol to aldehyde selectively?
Which of the following quantum numbers determines the shape of an orbital?
Which of the following has the maximum percentage of gas in the air?
Which of the following is the strongest acid?
In the reaction: \[ \text{Zn} + \text{CuSO}_4 \rightarrow \text{ZnSO}_4 + \text{Cu} \] Which substance is oxidized?
Which of the following elements has the highest electronegativity?
Which of the following compound has high melting point?
Which reagent will best convert alcohol to aldehyde selectively?
Which of the following compounds contains a coordinate (dative) covalent bond?
Which of the following alkyl chloride will have the lowest boiling point?
Which of the following shows resonance but not hyperconjugation?
What will be pH of aqueous salt solution of AB if pKa of weak acid HA is 4 and pKb of weak acid BOH is 5?
Which is the inner transition element of the following?
The oxidation number of oxygen in peroxides is __.
What is the oxidation number of sulfur in sulfuric acid (H$_2$SO$_4$)?