Identify the major product formed when 2-Methylhexan-3-ol is heated with concentrated sulphuric acid.

For the reaction $$2 \mathrm{~A}+2 \mathrm{~B} \rightarrow 2 \mathrm{C}+\mathrm{D}$$ if $$\mathrm{r}=\mathrm{k}[\mathrm{A}]^2[\mathrm{~B}]^0$$, then rate of reaction is

What is the difference in molar mass of a member of homologous series from it's neighboring members in gram per mole?

Identify $$\mathrm{N}$$ and $$\mathrm{C}$$ terminal of $$\alpha $$-amino acid respectively in following polypeptide fragment. Ala-Gly-Ser-Tyr-Gly