I have a question. This was given in ANCQ this year. Please help me out. Tell me the correct answer.

I have a question. This was given in ANCQ this year. Please help me out. Tell me the correct answer.

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TopNewestD – Andrea Palma · 9 months, 1 week ago

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– Sai Ram · 9 months, 1 week ago

procedure ?Log in to reply

– Andrea Palma · 9 months, 1 week ago

Every material exists in liquid state exatly when its temperature is BETWEEN its melting point and its boiling point. Now -140°C is between -169 and -104 so the ethene at -140°C is in liquid state. -140°C is also between -185 and -48 so the propene at -140°C is also liquid. Same for pentene. The butene at -140°C is solid because -140°C is BELOW its melting point -138. So exactly 3 substances are liquid at -140°(, while the butene is solid at -140°C.Log in to reply

– Sai Ram · 9 months ago

Thanks..!!Log in to reply

Please help me its urgent..... – Sai Ram · 11 months, 3 weeks ago

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