MCQ
In standardization of $N{a_2}{S_2}{O_3}$ using ${K_2}C{r_2}{O_7}$ by iodometry, the equivalent weight of ${K_2}C{r_2}{O_7}$ is
- A$MW/2$
- B$MW/3$
- ✓$MW/6$
- D$MW/1$

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${C_6}{H_6}(l)\, + \,\frac{{15}}{2}\,{O_2}(g)\, \to \,6\,C{O_2}(g)\, + \,3{H_2}O\,(g)$
Signs of $\Delta H,\,\Delta S$ and $\Delta G$ for the above reaction will be
$(a)$ $AgF$ is soluble and colourless is aqueous medium
$(b)$ For $LiF$ solubility and Melting point both are lower as compair to $NaF$
$(c)$ Solubility of $Rb_2SO_4$ is less as compair to $BaSO_4$
$(d)$ If $AgI$ is added to water colour of water will turned yellow from colourless
In which of the following pair above statement is $NOT$ $CORRECT$ ?