Yeast is used in the production of

The correct order of $Cl-O$ bond order is:

At what speed should a source of sound move so that a stationary observer finds the apparent frequency equal to half of the original frequency?

Which of the following ligands is expected to be bidentate?

$3$ moles of ethanol react with $1$ mole of phosphorus tribromide to form $3$ moles of bromoethane and $1$ mole of $X$. Which of the following is $X$?

While a collector to emitter voltage is constant in a transistor,the collector current changes by $8.2 ~mA$ when the emitter current changes by $8.3 ~mA$. The value of forward current ratio is