JEE Main On 8 April 2017 Question 19
Question: The number of S = O and S-OH bonds present in peroxodisulphuric acid and pyrosulphuric acid respectively are : [JEE Online 08-04-2017]
Options:
A) (2 and 4) and (2 and 4)
B) (4 and 2) and (4 and 2)
C) (4 and 2) and (2 and 4)
D) (2 and 2) and (2 and 2)
Show Answer
Answer:
Correct Answer: B
Solution:
- Peroxodisulphuric acid $ H _2S _2O _8 $ $ HO-\underset{\begin{smallmatrix} || \\ O \end{smallmatrix}}{\overset{\begin{smallmatrix} O \\ || \end{smallmatrix}}{\mathop{S}}},-O-O-\underset{\begin{smallmatrix} || \\ O \end{smallmatrix}}{\overset{\begin{smallmatrix} O \\ || \end{smallmatrix}}{\mathop{S}}},-OH $ Pyrosulphuric acid $ H _2S _2O _7: $ $ HO-\underset{\begin{smallmatrix} || \\ O \end{smallmatrix}}{\overset{\begin{smallmatrix} O \\ || \end{smallmatrix}}{\mathop{S}}},-O-\underset{\begin{smallmatrix} || \\ O \end{smallmatrix}}{\overset{\begin{smallmatrix} O \\ || \end{smallmatrix}}{\mathop{S}}},-OH $
