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p-Block Elements – II — Chemistry STD 12 — Question

Tamilnadu BoardEnglish MediumSTD 12Chemistryp-Block Elements – II2 Marks
Question
Complete the reactions :
1. $Zns + O _2 \underset{\rightarrow}{\triangle}$ ?
2. $FeS _2+ O _2 \underset{\rightarrow}{\triangle}$ ?
✓

Answer

1. $2 Zns +3 O _2 \underset{\rightarrow}{\triangle} 2 ZnO +2 SO _2$
2. $4 FeS _2+11 O _2 \underset{\rightarrow}{\triangle} 2 Fe _2 O _3+8 SO _2$

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