NCERT Class XII Chemistry
Chapter - Solutions
Questions with Solutions
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Question : 25
Total: 53
Amongst the following compounds, identify which are insoluble, partially soluble and highly soluble in water ?
(i) Phenol,
(ii) Toluene,
(iii) Formic acid,
(iv) Ethylene glycol,
(v) Chloroform,
(vi) Pentanol.
(i) Phenol,
(ii) Toluene,
(iii) Formic acid,
(iv) Ethylene glycol,
(v) Chloroform,
(vi) Pentanol.
Solution:
(i) Partially soluble because phenol has polar –OH group and non- polar C 6 H 5
(ii) Insoluble because toluene is non-polar while water is polar.
(iii) Highly soluble because formic acid can form hydrogen bonds with water.
(iv) Highly soluble because ethylene glycol can form hydrogen bonds with water.
(v) Insoluble because chloroform is an organic liquid.
(vi) Partially soluble because –OH group is polar but the large hydrocarbon part (C5 11
(ii) Insoluble because toluene is non-polar while water is polar.
(iii) Highly soluble because formic acid can form hydrogen bonds with water.
(iv) Highly soluble because ethylene glycol can form hydrogen bonds with water.
(v) Insoluble because chloroform is an organic liquid.
(vi) Partially soluble because –OH group is polar but the large hydrocarbon part (C
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