Question:
Which pair of elements have same electronegativity values in Pauling scale?
Which pair of elements have same electronegativity values in Pauling scale?
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In MCQs, “same electronegativity” often means closest equal Pauling values, not exact identity.
Updated On: Jun 20, 2026
- S and N
- Cl and S
- P and H
- Cl and O
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The Correct Option is C
Solution and Explanation
Step 1: Understand electronegativity concept.
Electronegativity is the tendency of an atom to attract shared electron pairs in a chemical bond. In Pauling scale, values are assigned based on the empirical measurements and the periodic trends.
Step 2: Recall approximate values.
Typical Pauling values are: \[ P \approx 2.19,\quad H \approx 2.20 \] These are considered effectively equal in many exam-level approximations.
Step 3: Analyze other options.
S \( \approx 2.58 \), N \( \approx 3.04 \), Cl \( \approx 3.16 \), O \( \approx 3.44 \). None of these pairs have equal or nearly equal values compared to P and H.
Step 4: Logical comparison.
Among all given pairs, only P and H show nearly identical electronegativity values, making them the correct choice in standard chemistry approximation context.
Step 5: Final verification.
Since the question asks for “same electronegativity values,” the closest exact match provided in standard data is P and H.
Final Answer: \[ \boxed{\text{P and H}} \]
Electronegativity is the tendency of an atom to attract shared electron pairs in a chemical bond. In Pauling scale, values are assigned based on the empirical measurements and the periodic trends.
Step 2: Recall approximate values.
Typical Pauling values are: \[ P \approx 2.19,\quad H \approx 2.20 \] These are considered effectively equal in many exam-level approximations.
Step 3: Analyze other options.
S \( \approx 2.58 \), N \( \approx 3.04 \), Cl \( \approx 3.16 \), O \( \approx 3.44 \). None of these pairs have equal or nearly equal values compared to P and H.
Step 4: Logical comparison.
Among all given pairs, only P and H show nearly identical electronegativity values, making them the correct choice in standard chemistry approximation context.
Step 5: Final verification.
Since the question asks for “same electronegativity values,” the closest exact match provided in standard data is P and H.
Final Answer: \[ \boxed{\text{P and H}} \]
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