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Ethanol reacts with concentrated tetraoxosulphate (VI) acid at a temperature above 170\(^0\)C to form
The saponification of an alkanoate to produce soap and alkanol involves
Carbohydrates are large molecules with the molecular formula C\(_x\)(H\(_2\)O)\(_y\). In which of the following pairs is x not equal to y?
The purest form of iron which contains only about 0.1% carbon is
Which of the following compounds will burn with a brick-red colour in a non-luminous Bunsen flame?
CO(g) + H\(_2\) O\(_{(g)}\) → CO\(_{2(g)}\) + H\(_{2(g)}\)
Calculate the standard heat change of the reaction above, if the standard enthalpies of formation of CO\(_{2(g)}\), H\(_2\)O\(_{(g)}\) and CO\(_{(g)}\) in kJmol\(^{-1}\) are - 394, -242 and - 110 respectively.
A metal M displaces zinc from ZnCl solution
This shows that