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NEET · Chemistry doubts
126 doubts found
All topicsChemical Bonding & Molecular StructureChemical KineticsChemical ThermodynamicsElectrochemistryEquilibriumHydrocarbonsOrganic Chemistry — Basic ConceptsPeriodic Table & PeriodicityRedox ReactionsSome Basic Concepts (Mole Concept)Structure of Atom
NEETChemistrymedium
What are the most common mistakes students make in Hydrocarbons?
H adds to the carbon with more hydrogens — unless peroxides are present, which reverse it (anti-Markovnikov).
HydrocarbonsRead →
NEETChemistrymedium
When do I use n = mass / molar mass in Some Basic Concepts (Mole Concept), and what does it mean?
number of moles from a given mass.
Some Basic Concepts (Mole Concept)Read →
NEETChemistrymedium
When do I use E_n = −13.6 Z²/n² eV in Structure of Atom, and what does it mean?
energy of an electron in a hydrogen-like atom.
Structure of AtomRead →
NEETChemistryeasy
What is the difference between sigma bond and pi bond?
A sigma bond forms by head-on overlap and is strong; a pi bond forms by sideways overlap of p-orbitals and is weaker.
Chemical Bonding & Molecular StructureRead →
NEETChemistrymedium
When do I use ΔG = ΔH − TΔS in Chemical Thermodynamics, and what does it mean?
Gibbs free energy change deciding spontaneity.
Chemical ThermodynamicsRead →
NEETChemistrymedium
When do I use pH = −log[H⁺] in Equilibrium, and what does it mean?
acidity of a solution.
EquilibriumRead →
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