Chemistry in Everyday Life — Chemistry STD 12 — Question

Assertion(A): Enzymes have active sites and substrates, reactive sites on their surfaces respectively.
Reason (R): Active and reactive sites push the enzyme and substrate molecules away from each other.

Which compound has the highest boiling point?

Aspirin is chemically named as ………….

Which one of the following should be ozonolysed to get a mixture of ethanal and propanone?

Assertion(A): Aniline reacts with acids to form salts and also reacts with electrophiles.
Reason (R): The lone pair of electrons on nitrogen atom in amines makes them basic as well as nucleophilic.

Which compound can exist in a dipolar state?

Which of the following is needed by many bacteria to produce folic acid?

Which of the amino acid is optically inactive?

Which of the following pair shows position isomerism?

The fraction of total volume occupied by the atoms in a simple cubic is