MCQ
The structural formula of Indigo dye is :
- A

- B

- ✓

- D






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Reason : On increasing dilution, degree of ionisation of weak electrolyte increases and molality of ions also increases.
$I.$ In gaseous phase, the vapour pressure of $CH_3COOH$ is less than expected.
$II.$ In benzene, acetic acid dimerises.
$III.\, CH_3OH$ is more viscous than $H_2O.$
$IV.\, CH_3OCH_3$ is non-polar but soluble in water.
Select the correct set of codes using $T$ for true and $F$ for false statements in given sequence.
