MCQ
Equivalent weight of crystalline oxalic acid is
- A$30$
- ✓$63$
- C$53$
- D$45$
✓
Answer
Correct option: B.
$63$
b
(b) Equivalent weight $ = \frac{{{\rm{Molecular weight}}}}{{{\rm{Valency}}}}$
(b) Equivalent weight $ = \frac{{{\rm{Molecular weight}}}}{{{\rm{Valency}}}}$
Molecular weight of $\begin{array}{*{20}{c}}{COOH}\\{\mathop C\limits^| OOH}\end{array} \cdot 2{H_2}O = \frac{{126}}{2} = 63$.
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
From the stability constant (hypothetical values), given below, predict which is the strongest ligand :
The heat of neutralization of $HCl$ and $NaOH$ is
→The electrode potential for $Cu _{( aq )}^{2+}+ e ^{-} \rightarrow Cu _{( aq )}^{+}$ and $Cu _{( aq )}^{+}+ e ^{-} \rightarrow Cu _{( s )}$ are $+0.15V$ and $+0.50 V$ respectively. The value of $E _{ Cu ^{+2} / Cu }^0$ will be :
→How many ions are produced from $[Co{\left( {N{H_3}} \right)_6}]C{l_3}$ in solution
→What is the final temperature of $0.10\,mole$ monoatomic ideal gas that performs $75\,cal$ of work adiabatically if the initial temperature is $227\,^oC$ ?....$K$ (use $R = 2\,cal/K-mol$ )
→In order to separate oxygen from one mole of ${H_2}O$ the required quantity of coulomb would be
→The reaction of zinc with dilute and concentrated nitric acid, respectively, produces :
When $0.04$ faraday of electricity is passed through a solution of $CaS{O_4}$, then the weight of $C{a^{2 + }}$ metal deposited at the cathode is ............. $\mathrm{gm}$
→How many resonance structures are there for anthracene ?
The sulphate of a metal $M$ contains $9.87\%$ of $M$. This sulphate is isomorphous with $ZnS{O_4}.7{H_2}O$. The atomic weight of $M$ is
→