Test SeriesFree PYQsExamsPricing

JEE Main Chemistry question

ChemistryThermodynamicsJEE Main

Heat evolved in the reaction, , is 182 kJ. Bond energies of H-H and Cl-Cl are 430 and respectively. The H-Cl bond energy is

Answer: (B)

Solution

\Delta H = [BE(H{-}H)+BE(Cl{-}Cl)]-2\times BE(H{-}Cl). $-182 = (430+242)-2×

See the full step-by-step solution

Create a free account to read the complete working, and practise questions like this in a timed test.

Create a free account

Question ID VK-135156