JEE Main Chemistry question
Not in JEE Main or NEET syllabus
How many of the following reactions (on burning in air/) are correct? (i) (ii) (iii) (iv)
Answer: 3
Solution
On burning in excess oxygen, lithium forms only the monoxide (i, correct), while potassium and rubidium, being lower in the group, form superoxides and (iii, iv,
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