Correct option is (A)
Oleum, or fuming sulfuric acid, is a solution of various compositions of sulfur trioxide in sulfuric acid, or sometimes more specifically to disulfuric acid (also known as pyrosulfuric acid
Formula of oleum is
(A)
(B)
(C)
(D)![Rendered by QuickLaTeX.com \mathrm{H}_{2} \mathrm{SO}_{5}](https://www.learnatnoon.com/s/wp-content/ql-cache/quicklatex.com-6d65b9ed55e26bf34c7008cc0e0c2e34_l3.png)
(A)
![Rendered by QuickLaTeX.com \mathrm{H}_{2} \mathrm{~S}_{2} \mathrm{O}_{7}](https://www.learnatnoon.com/s/wp-content/ql-cache/quicklatex.com-42f519991a644c34c77c473f1912911d_l3.png)
(B)
![Rendered by QuickLaTeX.com \mathrm{H}_{2} \mathrm{SO}_{4}](https://www.learnatnoon.com/s/wp-content/ql-cache/quicklatex.com-5eb0af7d1c5e21b121fd559d80fea28f_l3.png)
(C)
![Rendered by QuickLaTeX.com \mathrm{H}_{2} \mathrm{SO}_{3}](https://www.learnatnoon.com/s/wp-content/ql-cache/quicklatex.com-6baaa89c0ca0fbb5e3c33da461c19544_l3.png)
(D)
![Rendered by QuickLaTeX.com \mathrm{H}_{2} \mathrm{SO}_{5}](https://www.learnatnoon.com/s/wp-content/ql-cache/quicklatex.com-6d65b9ed55e26bf34c7008cc0e0c2e34_l3.png)
Formula of oleum is
(A)
(B)
(C)
(D)![Rendered by QuickLaTeX.com \mathrm{H}_{2} \mathrm{SO}_{5}](https://www.learnatnoon.com/s/wp-content/ql-cache/quicklatex.com-6d65b9ed55e26bf34c7008cc0e0c2e34_l3.png)
(A)
![Rendered by QuickLaTeX.com \mathrm{H}_{2} \mathrm{~S}_{2} \mathrm{O}_{7}](https://www.learnatnoon.com/s/wp-content/ql-cache/quicklatex.com-42f519991a644c34c77c473f1912911d_l3.png)
(B)
![Rendered by QuickLaTeX.com \mathrm{H}_{2} \mathrm{SO}_{4}](https://www.learnatnoon.com/s/wp-content/ql-cache/quicklatex.com-5eb0af7d1c5e21b121fd559d80fea28f_l3.png)
(C)
![Rendered by QuickLaTeX.com \mathrm{H}_{2} \mathrm{SO}_{3}](https://www.learnatnoon.com/s/wp-content/ql-cache/quicklatex.com-6baaa89c0ca0fbb5e3c33da461c19544_l3.png)
(D)
![Rendered by QuickLaTeX.com \mathrm{H}_{2} \mathrm{SO}_{5}](https://www.learnatnoon.com/s/wp-content/ql-cache/quicklatex.com-6d65b9ed55e26bf34c7008cc0e0c2e34_l3.png)