What is the difference between $$\Delta Q$$ and $$\mathrm dQ$$ in thermodynamics? I think one is used when the change is very small and the other with bigger changes, but I am not sure.

I'm trying to figure out a method to add a linear alkyl chain R and a hydrogen atom H across the triple bond of a terminal alkyne. The alkyl chain should end up on the internal carbon (C-2): My attempt : First, we can hydrolyse the alkyne to produce a methyl ketone. Addition of a Grignard reage...

An organic compound A $(\ce{C10H14O})$ exhibits following characteristics. A) It reacts with metallic sodium to give a colorless odorless gas. B) It is oxidized by $\ce{KMnO4}$ to benzoic acid. C) It can be resolved. D) It does not give precipitate with iodine in presence of $\ce{NaOH}.$ E) It c...