Aldehydes, Ketones and Carboxylic Acids — Chemistry STD 12 Science — Question

A compound ‘A’ is optically active. On mild oxidation, it gives a compound ‘B’ but on vigorous oxidation gives another compound ‘C’. C along with D is also formed from B by reaction with iodine and alkali. Deduce the structures of A, B, C, D.

A first order reaction has a rate constant of 0.0051 min^–1. If we begin with 0.10 M concentration of the reactant, what concentration of reactant will remain in solution after 3 hours?

Compare the chemistry of actinoids with that of the lanthanoids with special reference to:
Atomic and ionic sizes

Use Hund's rule to derive the electronic configuration of Ce³⁺ ion, and calculate its magnetic moment on the basis of 'spin-only' formula.

How will you carry out the following conversions?

1. toluene → p-toluidine.
2. p-toluidine diazonium chloride → p-toluic acid.

Explain (% V/V) Volume Percentage with examples.

What is retention explain with example.

Arrange the following in the decreasing order of their acidic character.

1. C₆H₅COOH, FCH₂COOH, NO₂CH₂COOH
   
2. CH₃CH₂OH, CH₃COOH, ClCH₂COOH, FCH₂COOH, C₆H₅CH₂COOH