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Chemistry · Classification of Elements and Periodicity in Properties
हिन्दीMatch List-I with List-II: List-I List-II A Electronegativity of Fluorine I \( 3.0 \) B Electronegativity of Chlorine II \( 4.0 \) C First electron gain enthalpy of Chlorine III \( -328 \text{ kJ mol}^{-1} \) D First electron gain enthalpy of Fluorine IV \( -349 \text{ kJ mol}^{-1} \) Choose the correct answer from the options given below:
Match List-I with List-II:
| List-I | List-II | ||
|---|---|---|---|
| A | Electronegativity of Fluorine | I | \( 3.0 \) |
| B | Electronegativity of Chlorine | II | \( 4.0 \) |
| C | First electron gain enthalpy of Chlorine | III | \( -328 \text{ kJ mol}^{-1} \) |
| D | First electron gain enthalpy of Fluorine | IV | \( -349 \text{ kJ mol}^{-1} \) |
Choose the correct answer from the options given below:
Correct answer · Option 1
A-(II), B-(I), C-(IV), D-(III)
Explanation
Fluorine has Pauling electronegativity 4.0 and electron gain enthalpy -328 kJ mol^-1, while chlorine has electronegativity 3.0 and electron gain enthalpy -349 kJ mol^-1.
