First slide

Atomic and physical properties

Question

Statement I : Gallium is used as a thermometric liquid
Statement II : Gallium has wide liquid range of temperature

Easy

A

Both the statements are true
B

Both the statements are false
C

I is false and II is true
D

I is true and II is false

Solution

Melting point of Ga is : ~30^o
Boiling point of Ga is : 2403⁰
$\therefore$ Ga exists as liquid between 30⁰ to 2403⁰ .
→ Any compound exist as liquid between melting point temperature and boiling point temperatures .So "Ga" has wide liquid range and hence it is used as thermometric liquid for measuring high temperatures.

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