Presence of water can be detected by-adding a drop to anhydrous copper suphate which changes its colour from white to blueby boiling and testing the presence of H-2- and O-2-by checking the production of lather when mixed with soapby seeing its colour and transparency

Question

Toppr Admin · Accepted Answer

The correct option is A adding a drop to anhydrous copper suphate which changes its colour from white to blue
Anhydrous $C u S O_{4}$ is white which on reaction with $H_{2} O$ forms hydrated $C u S O_{4}$ which is blue in colour.
$C u S O_{4} White colour + 5 H_{2} O \to C u S O_{4} . 5 H_{2} O Blue colour$

Presence of water can be detected by:adding a drop to anhydrous copper suphate which changes its colour from white to blueby boiling and testing for the presence of H2 and O2by checking the production of lather when mixed with soapby seeing its colour and transparency

The correct option is A adding a drop to anhydrous copper suphate which changes its colour from white to blueAnhydrous CuSO4 is white which on reaction with H2O forms hydrated CuSO4 which is blue in colour.CuSO4 White colour +5H2O→CuSO4.5H2O Blue colour

Presence of water can be detected by:
adding a drop to anhydrous copper suphate which changes its colour from white to blue
by boiling and testing for the presence of $H_{2}$ and $O_{2}$
by checking the production of lather when mixed with soap
by seeing its colour and transparency