Name the two most important allotropes of sulphur. Which one of the two is stable at room temperature? What happens when the stable form is heated above 370 K?

What are different allotropes of sulphur? Which of them is most stable at room temperature and what happens to it on heating?

Which allotropic form of sulphur is more stable at room temperature ?

Name two allotropic forms of sulphur.

Which form of sulphur shows paramagnetic behaviour? What happens when SO_3 is passed through water?

Which of the two has larger molar specific heat monoatomic or diatomic gas at room temperature, and why?

What are primary, secondary and tertiary alcohol? How can you obtain each one of these by using a Grignard reagent? What happens when these classes of alcohols are (i) oxidised with K_(2)Cr_(2)O_(7) and H_(2)SO_(4) (ii) passed over heated copper

Name two metal sulphides which get converted into the corresponding metals during roasting. When does it happen so?

When t-butanol and n-butanol are separately treated with a few drops of dil. KMnO_(4) in one case only, the purple colour disappears and a brown precipitate is formed. Which of the two alcohols gives the above reaction and what is the brown precipitate?