The ionization enthalpy of Na⁺ formation from Na_(g) is 495.8 kJ mol⁻¹, while the electron gain enthalpy of Br is - 325.0 kJ mol⁻¹. Given the lattice enthalpy of NaBr is - 728.4 kJ mol⁻¹. The energy for the formation of NaBr ionic solid is (-) _ _ _ _ _ _ × 10⁻¹ kJ mol⁻¹.

Chemical Thermodynamics: JEE Main 2021 Chemistry question

JEE Main 2021 · 25 Feb, Morning shift · Q19

JEE Main 202125 Feb, Morning shiftChemistryMediumChemical Thermodynamics84× since 2002

The ionization enthalpy of Na⁺ formation from Na_(g) is 495.8 kJ mol^

-

1, while the electron gain enthalpy of Br is

-

325.0 kJ mol^

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1. Given the lattice enthalpy of NaBr is

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728.4 kJ mol^

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1. The energy for the formation of NaBr ionic solid is (

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) ____________

\times

10^

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1 kJ mol^

-

Your answerType your answer. Integers and decimals are accepted.

JEE Main 2021 Chemical Thermodynamics Question with Answer (25 Feb Morning shift, Q19) | JEE Arc