If 18g of water is electrolysed then volume of oxygen obtained at STP is

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If 18g of water is electrolysed then volume of oxygen obtained at STP is

Options

(a) 11.2 L
(b) 2.8 L
(c) 22.4 L
(d) 5.6 L

Correct Answer:

11.2 L

Explanation:

2H₂O(36g)→ 2H₂ + O₂(22.4L)
18g H₂O will give = 22.4 × 18 / 36 = 11.2 L.

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Topics: Basic Concepts of Chemistry (94)
Subject: Chemistry (2512)

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