How can explain that Chloral hydrate is stable Compound although it has two -OH groups attached to same carbon?

Chloral hydrate (CH3-CHO.2H2O) has unusual stability due to -I effect of three Chlorine atoms, which leads to the formation of two Hydrogen bond. The energy released in the formation of three bonds provides extra stability.

What happened when Graphite treated concentrated acids like HNO3/HF or KMnO4 ?.

Dimomd is unaffected by concentrated acids but Graphite when heated with oxidizing agents like alkaline KMnO4 , HNO3 forms mellatic acid (Benzene hexa carboxylic acid).

Graphite on oxidation with hot HNO₃ gives acid i.e. known as Graphite acid or Graphite oxide

The relative reactivity of primary : Secondary : tertiary hydrogen to chlorination is 1: 3.8: 5. Calculate the percentage of all the monochlorinated products obtained from 2-methylbutane.

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