Chemistry

The correct decreasing order of priority of functional groups in naming an organic compound as per IUPAC system of nomenclature is

Match List I with List II.

Choose the correct answer from the option given below:

The metal complex that is diamagnetic is (Atomic number; Fe, 26; Cu, 29)

Given below are two statements : one is labeled as Assertion A and the other is labeled as Reason R.

Assertion A: Boric acid is a weak acid.

Reason R: Boric acid is not able to release H⁺ ion on its own. It receives OH^- ion form water and releases H⁺ ion.

In the light of the above statements, choose the most appropriate answer form the option given below.

Given below are two statements : one is labeled as Assertion A and the other is labeled as Reason R.

Assertion A: LiF is sparingly soluble in wate.

Reason R: The ionic radius of Li⁺ ion is smallest among its group members, hence has least hydration enthalpy.

In the light of the above statements, choose the most appropriate answer from the options given below.

The products obtained from a reaction of hydrogen peroxide and acidified potassium permanganate are

The metal that is not extracted from its sulfide ore is

The metal that has very low melting point and its periodic position is closer to a metalloid is

Given below are two statements : one is labeled as Assertion A  and the other is labeled as Reason R.

Assertion A: Finest gold is red in colour, as the size of the particles increase, it appears purple then blue and finally gold.

Reason R: The  colour of the colloidal solution depends on the wavelength of light scattered by the dispersed particles.

In the light of the above statements, choose the most appropriate answer from the options given below.

At $30°C,$ the half life for the decomposition of AB₂ is 200s and is independent of the initial concentration of AB₂. The time required for 80% of the AB₂ to decompose is