Chemistry Test ...

The carbonyl stretching frequency for simple aldehydes, ketones, and carboxylic acids is about \(1710 \mathrm{~cm}^{-1}\), where the carbonyl stretching frequency for esters is about ................... \(\mathrm{cm}^{-1}\):

Adenine is a derivative of __________.

For an ionic crystal of general formula AX and co-ordination number 6, the value of radius ratio will be:

Positive Beilstein shows that:

Calculate the amount of benzoic acid \(\left({C}_{6} {H}_{5} {COOH}\right)\) required for preparing 250 \({mL}\) of \(0.15 {M}\) solution in methanol.

The process of passing of a precipitate into colloidal solution on adding an electrolyte is called:

If a solution prepared by dissolving 1.0 g of polymer of molar mass 185,000 in 450 mL of water at 37°C, calculate the osmotic pressure in Pascal exerted by it?

Alkanes can be prepared from Grignard reagents by reacting with:

Which of the following is a linear molecule?

One gram of charcoal adsorbs \(400 \mathrm{~mL}\) of \(0.5 \mathrm{M}\) acetic acid to form a monolayer, and the molarity of acetic acid reduces to \(0.49 \mathrm{M}\). Calculate the surface area of charcoal adsorbed by each molecule of acetic acid, where the surface area of charcoal is \(3.01 \times 10^{2} \mathrm{~m}^{2} \mathrm{~g}^{-1}\).