Assertion: N a 2 C r 2 O 7 cannot be used as a primary standard in titrations. Reason: N a 2 C r 2 O 7 is hygroscopic in nature.

Question

Assertion: $N a_{2} C r_{2} O_{7}$ cannot be used as a primary standard in titrations.

Reason: $N a_{2} C r_{2} O_{7}$ is hygroscopic in nature.

Smart Achievers · Accepted Answer

(1)

${Na}_{2} {Cr}_{2} O_{7}$ is hygroscopic and that is why, it is not used as a primary standard in volumetric analysis.

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