Q42 · CSIR-NET Chemistry, June 2014

Paper: CSIR-NET June 2014 · Subject: Inorganic Chemistry · Chapter: Main Group Elements · Topic: Main Group Elements – General · Marks: 2 · Difficulty: Hard

The correct order of decreasing electronegativity of the following atoms is,

(a)$\mathrm{As}>\mathrm{Al}>\mathrm{Ca}>\mathrm{S}$

(b)$\mathrm{S}>\mathrm{As}>\mathrm{Al}>\mathrm{Ca}$

(c)$\mathrm{Al}>\mathrm{Ca}>\mathrm{S}>\mathrm{As}$

(d)$\mathrm{S}>\mathrm{Ca}>\mathrm{As}>\mathrm{Al}$

Answer

Answer: B ✓ checked by 4AB · confidence high

Explanation

Pauling values: S 2.58 > As 2.18 > Al 1.61 > Ca 1.00.

Study loop for Main Group Elements

1. Practise the PYQsPrevious-year questions, with answers

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