MCQ
Identify the correct formula of oleum from the following
- ✓$H_2S_2O_7$
- B$H_2SO_3$
- C$H_2SO_4$
- D$H_2S_2O_8$
✓
Answer
Correct option: A.
$H_2S_2O_7$
a
Oleum $\to$ pyrosulphuric acid ($H_2S_2O_7$)
Oleum $\to$ pyrosulphuric acid ($H_2S_2O_7$)
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
$(A)\xrightarrow{LiAl{{H}_{4}}}\underset{\left( Chiral\text{ }alcohol\text{ }only \right)}{\mathop{2(B)}}\,$ ;
→structure of $(A)$ is
$CH_3 - CH = CH -CH_2 - CO_2H \xrightarrow[\Delta ]{}(X) \,(major)$; Product $(X)$ is
→sertion : Chloral reacts with phenyl chloride to form $DDT$.
Reason : It is an electrophilic substitution reaction.
→Reason : It is an electrophilic substitution reaction.
The hormone that helps in the conversion of glucose to glycogen in
$[(C_6H_5)_2 Pd (SCN)_2]$ and $[(C_6H_5)_2 Pd (NCS)_2]$ are :
→$6\,g$ urea is dissolved in $1\,kg$ solvent. Value of $(T_1-T_2)$ will be .......... $^oC.$ $(K_f = 2\, kg\,K\,mol^{-1})$
→In complex compounds, metal ligand bond is
The reaction of alkyl halide with sodium alkoxide is :
Reduction of nitroalkanes in neutral medium (e.g. $Zn$ / $N{H_4}Cl$) forms mainly
→Conc. $HN{O_3}$ can be stored in container of
→