$Oleum$ (also known as $Sulphan$) is

  • A
    a mixture of $SO_{3}$ and $H_{2}SO_{3}$
  • B
    $100\%$ conc. $H_{2}SO_{4}$
  • C
    a mixture of gypsum and conc. $H_{2}SO_{4}$
  • D
    $100\%$ oleum (a mixture of $SO_{3}$ in $H_{2}SO_{4}$)

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Similar Questions

Given below are two statements: Statement $I$: The covalency of oxygen is generally two but it can exceed up to four. The oxidation state of oxygen in $SO_2$ is $-2$ and in $OF_2$ it is $+2$. Statement $II$: The anomalous behaviour of oxygen when compared to the other elements of group $16$ is due to its small size and high electronegativity. In the light of the above statements, choose the correct answer from the options given below.

Explain the occurrence of group-$16$ elements.

Which of the following is formed when $SO_3$ is absorbed by concentrated $H_2SO_4$?

What is the color of ozone $(O_3)$?

Ozone $(O_3)$ belongs to which group of the periodic table?

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