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Olympiad workbook

Exam: Olympiad workbook
Subject: NSEC
Chapter: s Block Elements

Olympiad workbook · NSEC · s Block Elements

Which of the following is correct? I. Sodium (Na) is present as...

Which of the following is correct? I. Sodium (Na) is present as metal in nature II.

\mathrm{Na}_2 \mathrm{O}_2

is paramagnetic III.

\mathrm{NaO}_2

is paramagnetic IV. Na reacts with

\mathrm{N}_2

to form

\mathrm{Na}_3 \mathrm{~N}

Options

AIII only
BII and IV
CI, III and IV
DII, III and IV

Correct answer

A. III only

Step-by-step solution

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