Question

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An organic compound X has a melting point of -33°C and a boiling point of 66°C. The physical states of substance X at temperature -100°C,0°C and 100°C respectively

i)Solid , Liquid and Liquid
ii)Liquid , Solid and Gas
iii) Solid , Liquid and Gas
iv)Gas , Liquid and Liquid​

Answer 1

Answer:

solid, liquid, gas

because ice is a solid at -100 degree celsius

water is a liquid which is at 0 degree celsius

vapor is so gas which is evaporated at 100 degree celsius

Answer 2

Answer:

The correct option is (iii) Solid, Liquid, and Gas.

Explanation:

• The compound freezes and melts at the same temperature.
• This organic compound freezes and melts at -33°C and so at any temperature below -33°C, the compound is a solid.
• At -100°C the compound is solid.
• At temperatures above -33°C, the compound is a liquid.
• At 0°C  the compound is a liquid.
• The compound boils at 66°C, so at even a higher temperature it turns into gas.
• The compound is a gas at 100°C.

1. -100°C - Solid
2. 0°C - Liquid
3. 100°C - Gas