MCQ
Which of the following compound is tribasic acid
- A${H_3}P{O_2}$
- B${H_3}P{O_3}$
- ✓${H_3}P{O_4}$
- D${H_4}{P_2}{O_7}$
✓
Answer
Correct option: C.
${H_3}P{O_4}$
c
(c) It is ionizes in three steps because three $-OH$ group are present.
(c) It is ionizes in three steps because three $-OH$ group are present.
$\begin{array}{*{20}{c}}
{\begin{array}{*{20}{c}}
O \\
{||}
\end{array}} \\
{HO - P - OH} \\
| \\
{\,\,\,\,\,OH}
\end{array}$
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
The standard reduction potential values of the three metallic cations $x, y, z$ are $0.52\, V, -3.03\,V$ and $-1.18\,V$ respectively. The order of reducing power of their corresponding metals will be
→A primary amine can be converted to an alcohol by the action of
The correct order of boiling point for primary $({1^o}),$ secondary $({2^o})$ and tertiary $({3^o})$ alcohols is
→The increasing order of magnetism of
→$(I)$ $MnSO_4.4H_2O$ $(II)$ $FeSO_4.7H_2O$
$(III)$ $NiSO_4.6H_2O$ $(IV)$ $CuSO_4.5H_2O$
Which of the following is not an essential amino acid:
The correct decreasing order of dehydration of following alcohols with conc. H2SO4 is:
Match the catalysts to the correct processes :
→| Catalyst | Process |
| $(A)$ $TiCl_4$ | $(i)$ Wacker process |
| $(B)$ $PdCl_2$ | $(ii)$ Ziegler - Natta polymerization |
| $(C)$ $CuCl_2$ | $(iii)$ Contact process |
| $(D)$ $V_2O_5$ | $(iv)$ Deacon's process |
The emf of a Daniel cell at $ 298\,K$ is ${E_1}$ $Zn|\mathop {ZnS{O_4}}\limits_{(0.01\,M)} ||\mathop {CuS{O_4}}\limits_{(1.0\,M)} |Cu$ when the concentration of $ZnS{O_4}$ is $1.0\,M $ and that of $CuS{O_4}$ is $0.01\,M$, the emf changed to ${E_2}$. What is the relationship between ${E_1}$ and ${E_2}$
→In fibrous proteins, polypeptide chains are held together by ________.
Which of the following can be used to differentiate pentan $-2-$ one and pentan $-3-$ one
→