MCQ
If $0.5 \,mol$ of $CaBr_2$ is mixed with $0.2\, mol$ of $K_3PO_4$ then the maximum number of moles of $Ca_3(PO_4)_2$ obtained will be :-
- A$0.5$
- B$0.2$
- C$0.7$
- ✓$0.1$
✓
Answer
Correct option: D.
$0.1$
d
$\mathop {3{\text{CaB}}{{\text{r}}_2}}\limits_{0.5} + \mathop {2{{\text{K}}_3}{\text{P}}{{\text{O}}_4}}\limits_{0.2} \to \mathop {{\text{C}}{{\text{a}}_3}{{\left( {{\text{P}}{{\text{O}}_4}} \right)}_2}}\limits_0 + 6{\text{KBr}}$
$\mathop {3{\text{CaB}}{{\text{r}}_2}}\limits_{0.5} + \mathop {2{{\text{K}}_3}{\text{P}}{{\text{O}}_4}}\limits_{0.2} \to \mathop {{\text{C}}{{\text{a}}_3}{{\left( {{\text{P}}{{\text{O}}_4}} \right)}_2}}\limits_0 + 6{\text{KBr}}$
Acc. to $L.R.$ $0.1$
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 first and second dissociation constants of an acid $H_2A$ are $1.0 \times 10^{-5}$ and $5.0 \times 10^{-10}$ respectively. The overall dissociation constant of the acid will be
→The enthalpy change of which reaction corresponds to $\Delta H_f^o$ for $Na_2CO_3(s)$ at $298\, K$ ?
→(figure) $\xrightarrow[{(2)\,{H_2}{O_2}/\mathop O\limits^\Theta H}]{{(1)\,B{H_3}.THF}}$ Product; Product is
→Photochemical chlorination of alkane is initiated by a process of
What is the main reason of diagonal relationship between lithium and magnesium?
Which is optically active ?
For the following reactions, equilibrium constants are given
→$S\left( s \right) + {O_2}\left( g \right) \rightleftharpoons S{O_2}\left( g \right);{K_1} = {10^{52}}$
$2S\left( s \right) + 3{O_2}\left( g \right) \rightleftharpoons 2S{O_3}\left( g \right);{K_2} = {10^{129}}$
The equilibrium constant for the reaction $2S{O_2}\left( g \right) + {O_2}\left( g \right) \rightleftharpoons 2S{O_3}\left( g \right)$ is
For the reactipon, $\text{SO}_2(\text{g})+\frac{1}{2}\text{O}_2\text{(g)}\rightleftharpoons\text{SO}_3(\text{g})$ if $K_p=K_c(R T)^X$ where, the symbols have usual meaning, then the value of $x$ is $($assuming ideality$)$
→Major product of the given reaction is
The $CORRECT$ order of $\Delta {H_{eg}}$ of the following elements is
→