📚NCERT Questions
1,675 solved questions with detailed explanations
The reaction CH₃CH₂I + KOH(aq) → CH₃CH₂OH + KI is classified as:
In the formation of sodium chloride (NaCl), what happens to the electron configuration of sodium and chlorine?
An ion with mass number 37 possesses one unit of negative charge. If the ion contains 11.1% more neutrons than the electrons, find the symbol of the ion.
Litmus solution is a purple dye extracted from which type of plant?
In multi-electron atoms, the energy of orbitals within the same principal quantum number (n) increases in the order:
What is 'denatured alcohol'?
The reaction of phenoxide ion with carbon dioxide, a weak electrophile, to form salicylic acid is known as:
Why is (CH₃)₃C⁺ (tert-butyl carbocation) more stable than CH₃CH₂⁺ (ethyl carbocation) and CH₃⁺ (methyl carbocation)?
What are the two main types of nucleic acids?
Oxidation of glucose with mild oxidising agent like bromine water yields gluconic acid. This reaction indicates the presence of which functional group?