Which of the following substances would have the lowest density?

H_{2} (g)

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

H_{2} O (g)

No worries! We‘ve got your back. Try BYJU‘S free classes today!

H g (g)

No worries! We‘ve got your back. Try BYJU‘S free classes today!

H_{2} O (l)

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A $H_{2} (g)$
Density is mass per unit volume.

$H_{2}$ is the lightest gas that has the lowest atomic weight with a density $0.08988 g / L$ .

So, the correct option is $A$

Suggest Corrections

Similar questions

{CO}_{2} (g) + H_{2} (g) \to CO(g) + H_{2} O(g)

H_{2} (g) + \frac{1}{2} O_{2} (g) \to H_{2} O (g)

Δ H_{1}

Δ H_{2}

H_{2_{(g)}} + \frac{1}{2} O_{2} (g) \to H_{2} O_{(l)}

H_{2} (g) + \frac{1}{2} O_{2} (g) \to H_{2} O (g); Δ H = x

H_{2} (g) + \frac{1}{2} O_{2} (g) \to H_{2} O (l); Δ H = y

H_{2 (g)} + \frac{1}{2} O_{2 (g)} \to H_{2} O_{(} g)

Δ H_{1}

H_{2 (g)} + \frac{1}{2} O_{2 (g)} \to {H_{2} O}_{(l)}

Δ H_{2}

H_{2} (g) + \frac{1}{2} O_{2} (g) ⟶ H_{2} O (l) + x_{1}

k J

H_{2} (g) + \frac{1}{2} O_{2} (g) ⟶ H_{2} O (g) + x_{2}

k J

Join BYJU'S Learning Program