MCQ
${P_2}{O_5}$ is used extensively as a
- AReducing agent
- BOxidising agent
- ✓Dehydrating agent
- DPreservative
✓
Answer
Correct option: C.
Dehydrating agent
c
(c)Generally ${P_2}{O_5}$ are used as a dehydrating agent.
(c)Generally ${P_2}{O_5}$ are used as a dehydrating agent.
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
In a first-order reaction of the type : $A(g) \to 2B(g)$, the initial and at time $'t'$ pressures are $p_1$ and $p$ respectively. The rate constant can be expressed by
→Corrosion of iron is essentially an electrochemical phenomenon where the cell reactions are
At $25^{\circ} C$, the standard electromotive force of $Zn +$ $Cu ^{2+} \rightarrow Cu + Zn ^{2+}$ is 1.10 , then on using $0.1 M Cu ^{2+}$ and $0.1 M Zn ^{2+}$ solution in this cell, the electromotive force of the cell will be :
→Which is the correct reaction coordinate diagram for the following solvolysis reaction ?
Conc. $H_2SO_4$ cannot be used to prepare $HBr$ from $NaBr$ because it
→the below reaction is known as
→Diazonium salts $\,+\,Cu_2Cl_2 \, + \, HCl \,\, \to$
Write the order of basic strength
The time for half life period of a certain reaction $A \rightarrow$ Products is $1$ hour. When the initial concentration of the reactant $'A',$ is $2.0\, mol\, L^{-1},$ ....... $hr$ does it take for its concentration to come from $0.50$ to $0.25\, mol\, L^{-1}$ if it is a zero order reaction ?
→$0.440\,g$ of a substance dissolved in $22.2\,g$ of benzene lowered the freezing point of benzene by ${0.567\,^o}C$. The molecular mass of the substance $({K_f} = {5.12\,^o}C\,mo{l^{ - 1}})$
→Benzene can be obtained by heating either benzoic acid with X or phenol with Y. X and Y respectively are: