Which product is obtained by the dehydration of concentrated $H_2SO_4$ in the presence of $P_4O_{10}$?
- A$SO_2$
- B$SO_3$
- C$H_2S_2O_8$
- D$SO_2$ and $SO_3$
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Similar Questions
Discuss the physical properties of group-$16$ elements.
Medium
View SolutionHow many total statements are correct in the following?
$(i)$ $SO_2$ - antichlor,preservative
$(ii)$ $O_3$ - Disinfectant
$(iii)$ $Cl_2$ - Antiseptic
$(iv)$ $O_2$ - used in oxy-acetylene welding
$(v)$ $PH_3$ - used in smoke screens
$(vi)$ $HNO_3$ - Pickling of stainless steel
$(i)$ $SO_2$ - antichlor,preservative
$(ii)$ $O_3$ - Disinfectant
$(iii)$ $Cl_2$ - Antiseptic
$(iv)$ $O_2$ - used in oxy-acetylene welding
$(v)$ $PH_3$ - used in smoke screens
$(vi)$ $HNO_3$ - Pickling of stainless steel
Difficult
View SolutionExplain the nature of oxides of group-$16$ elements. Write a note on halide compounds of group-$16$ elements. Write a note on hydride compounds of group-$16$ elements.
The most abundant element in the Earth's crust is .............. .
Easy
View SolutionWhich of the following statements is $NOT$ correct?
Medium
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