Coordination Chemistry — Chemistry STD 12 — Question

Which type of ores can be concentrated by the froth floatation method? Give two examples for such ores.

Define isomerism in coordination compounds.

What is the major product obtained when two moles of ethyl magnesium bromide is treated with methyl benzoate followed by acid hydrolysis.

How will you prepare sulphurdioxide by laboratory method?

Why carbohydrates are generally optically active?

The time for half change in a first order decomposition of a substance A is 60 seconds. Calculate the rate constant. How much of A will be left after 180 seconds?

Write a note about glycogen?

Explain the action of heat on potassium permanganate.

Write about the classification of drugs based on the target system.