JEE Advanced 2020 Full Test 1 Paper 2

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Question : 29 of 54

Marks: +1, -0

Which of the following statement(s) is/are CORRECT?

At 369K, both α and β forms of sulphur are stable to exist and this temperature is called transition temperature
BiF ‌3 is predominantly covalent
Diborane catches fire spontaneously upon exposure to air
I2O5 is used in the estimation of carbon monoxide

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