JEE PYQ: P Block Elements Question 16
Question 16 - 2021 (25 Feb Shift 2)
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.
(1) Both statement I and statement II are false
(2) Statement I is true but statement II is false
(3) Both statement I and statement II are true
(4) Statement I is false but statement II is true
Show Answer
Answer: (2)
Solution
$S_{\text{Rhombic}} \underset{\text{}}{\overset{95.6^\circ\text{C}}{\rightleftharpoons}} S_{\text{Monoclinic}}$. $\alpha$-sulphur (rhombic) is stable at room temperature.
BETA
