CSIR NET 2023 Weekend Booster Quiz | Chemical Science (17 December 2023)

The symmetric rotor among the following is

Predict the suitable reagents to carry out the given reaction:

Consider a two-level system in which the excited state, separated from the ground state by energy , is doubly degenerate. The fraction of the molecules in the excited state, as , is

The major product formed in the following reaction is

The hydrocarbon having an analogous structure to that of P₄O₆ is

Based on the behavior of the metalloenzymes, consider the following statements:

(i) In the enzymes, the zinc activates O₂ to form peroxide species

(ii) In the enzymes, the zinc activates H₂O and provides a zinc bound hydroxide.

(iii) In the enzymes, the zinc activates O₂, to break the binding between two oxygens.

(iv) Zinc ion acts as a nucleophile and attacks at the peptide carbonyl.

The set of correct statements is?

The oxidation number of phosphorus in pyrophosphoric acids is:

Predict the products P and Q in the given reaction.

The unit of the molecular partition function is :

The most appropriate reagent to effect the following chemo selective conversion is