MCQ
Given below are two statements:

Statement$-I$ $: \alpha$ and $\beta$ forms of sulphur can change reversibly between themselves with slow heating or slow cooling.

Statement$-II :$ At room temperature the stable crystalline form of sulphur is monoclinic sulphur.

In the light of the above statements, choose the correct answer from the options given below:

  • A
    Statement $I$ is false but Statement $II$ is true.
  • B
    Both Statement $I$ and Statement $II$ are true.
  • Both Statement $I$ is true but Statement $II$ is false.
  • D
    Both Statement $I$ and Statement $II$ are false.

Answer

Correct option: C.
Both Statement $I$ is true but Statement $II$ is false.
c
$\alpha-$ sulphur $\underset{{ < \,369\,K}}{\overset{{ > \,369\,K}}{\longleftrightarrow}}$ $\beta-$ sulphur

at room temperature $\alpha-$ sulphur (Rhombic) is most stable form.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free