Study of the First Element - Hydrogen — CHEMISTRY STD 9 — Question
ICSE BoardEnglish MediumSTD 9CHEMISTRYStudy of the First Element - Hydrogen2 Marks
Question
Compare hydrogen with alkali metals on the basis of:
Oxide formation
✓
Answer
Hydrogen burns in oxygen to form its oxide. It burns with a pop sound.
$2H_2+ O_2→ 2H_2O$
Alkali metals also burn vigorously when heated in oxygen to form their respective oxides.
Lithium forms monoxide.
$4Li + O_2→ 2Li_2O$
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