Answer / shiv maurya

KBr has a larger transmission window in the IR compared to NaCl

Answer / naresh

KBr on absorption of radition it excites only to vibrationl
energy level it does not get more energy to transmit to
higher rotatioal level so its not detected,and aid in easy
pellet formation

Answer / laxma

KBr is optically transparent over the range of wavelengths
typically used in an IR analysis. That means the only
absorbance results from the analyte, not the carrier for the
sample

Answer / ssk

Bcoz Potassium bromide octate is completed hence when the light is incident on it ,it can react with & allow to transmitted.

Answer / srinivas

It does not having the Functional groups.. so we are
useing..

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