[" k2Crad is preberred to NazCreot For Use in Volumetic "],[" andysis as a primary standard becouse "]

K_(2)Cr_(2)O_(7) is preferred to Na_(2)Cr_(2)O_(7) for use in volumetric analysis as a primary standard because

KMnO_(4) is not used as primary standard because

For standardizing NaOH solution, which of the following is used as a primary standard ?

For standardizing NaOH solution, which of the following is used as a primary standard ?

The principal reason that solid sodium hydroxide is not used as a primary standard for acid-base titration is that it :

Assertion: K_2Cr_2O_7 is used as primary standard in volumetric analysis. Reason: It has a good solubilityin water.