MCQ
Which of the following is a buffer solution?
- A$100\, ml\, 0.1\, M\, CH_3COOH + 100\, ml, 0.05\,M NaOH$
- B$200\, ml\, 0.1\, M\, NH_4OH + 200\, ml, 0.08\,M HCl$
- C$300\, ml\, 0.1\, M\, NaOH + 500\, ml, 0.1\,M C_6H_5COOH$
- ✓All of these
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If $\Delta H^o = 25\,kcal/mol$ and $\Delta S^o = 50\,cal/K,$ at what temperature equilibrium will be established in the container. (Ignore variation of $\Delta H^o$ and $\Delta S^o$ with temperature.).......$K$
$2$. $XeF_2 \xrightarrow{H_2O} $
$3$. $XeF_4 \xrightarrow{H_2O} $
$4$. $PbO_2 \xrightarrow{\Delta } $
$5$. $XeF_6 \xrightarrow{H_2O} $
In how many of the above processes, $O_2$ will be one of the products
Vapours $(B)+$ $\xrightarrow{{{K_2}{S_2}{O_8}}}\,(C)\, + \,(D)$
$(D)\,\xrightarrow{{(B)}}$ Brown $(E)$
Hybridisation of central atom in $(E)$ is