NSMQ 2024 Chemistry Problem of the Day
Study past NSMQ 2024 Chemistry Problem of the Day questions with full worked solutions and marks allocation
The compound with molecular formula C₄H₈O has several isomeric compounds. Write the names of any 10 isomers of the compo…
The compound with molecular formula C₅H₉Br is unsaturated and alkyl substituted. Give the systematic names of 10 structu…
2-butene is bubbled through liquid bromine at room temperature. Determine the enthalpy change using given bond energies:…
A 0.80 mol/dm³ HCl is titrated with 20 cm³ of 0.50 mol/dm³ ammonia (Kb = 1.80×10⁻⁵). Find [H₃O⁺] before acid is added, a…
Hypochlorite ions react with iodide ions to form chloride and iodate ions. Balance the reaction in acidic medium using h…
A 44.6 g piece of iron is heated to 150°C and placed into 144 g of water at 25°C. Calculate the molar enthalpy of the wa…
Sodium benzoate is produced by neutralisation of benzoic acid with NaOH. Determine the mass of benzoic acid needed for 2…