MCQ
$pH$ value of $0.001\, M \,NaOH$ solution is $..... .$
- A$7$
- B$14$
- C$3$
- ✓$11$
$\left[ OH ^{-}\right]=10^{-3}$
$pOH =3$
$pH =11$
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$2 SO _2( g )+ O _2( g ) \rightleftharpoons 2 SO _3( g ), \Delta H =-190\,kJ$
The number of factors which will increase the yield of $SO _3$ at equilibrium from the following is $.............$.
$A.$ Increasing temperature
$B.$ Increasing pressure
$C.$ Adding more $SO _2$
$D.$ Adding more $O _2$
$E.$ Addition of catalyst
$C{r_2}O_7^{2 - } + F{e^{2 + }} + {C_2}O_4^{2 - } \to C{r^{3 + }} + F{e^{3 + }} + C{O_2}$ (Unbalanced)
$1$ litre of mixture $X +$ excess of $AgNO_3 \to Y$
$1$ litre of mixture $X +$ excess of $Ba Cl_2 \to Z$
Number of moles of $Y$ and $Z$ respectively are