Electrochemistry — Chemistry STD 12 Science — Question

Why electrolysis of NaBr and NaI gives Br₂ and I₂ respectively while that of NaF gives O₂ instead of F₂?

Which is the last element in the series of the actinoids? Write the electronic configuration of this element. Comment on the possible oxidation state of this element.

With reference to which classification has the statement, “ranitidine is an antacid” been given?

Write the equation of the reaction of hydrogen iodide with:

methoxybenzene.

Show how each of the following compound can be converted to benzoic acid.

Bromobenzene.

What is meant by the following term? Give an example of the reaction in each case.

Semicarbazone.

Using IUPAC norms write the formula for the following:
Potassium tri (oxalato) chromate (III).

State Henry's law. What is the effect of temperature on the solubility of a gas in a liquid?

Aldopentoses named as ribose and 2-deoxyribose are found in nucleic acids. What is their relative configuration?

Suggest a reagent for conversion of ethanol to ethanoic acid.