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Model Paper 2 — Chemistry STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceChemistryModel Paper 21 Mark
MCQ
Dalda is prepared from oils by __________.
  • A
    hydrolysis
  • ✓
    reduction
  • C
    distillation
  • D
    oxidation
✓

Answer

Correct option: B.
reduction
(b) reduction
Explanation: Oils are esters of unsaturated fatty acids whereas Dalda is an ester of saturated fatty acids. The former is converted into the latter by catalytic hydrogenation i.e., reduction.

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