Modern Chemistry Class 12. We covered all the Modern Chemistry Class 12 MCQs in this post for free so that you can practice well for the exam.
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Modern Chemistry Class 12 Objective for Students
The compound that forms a yellow precipitate on heating with NaOH and iodine is:
(A) Propan-1-ol
(B) Propan-1-al
(C) Butan-2-amine
(D) Propan-2-ol
Option d – Propan-2-ol
Non-methyl ketones do not give a:
(A) Negative iodoform test
(B) Positive iodoform test
(C) Bayer’s test
(D) Saytzeff’s test
Option b – Positive iodoform test
The most reactive compound towards nucleophilic addition reaction is:
(A) Methyl phenyl ketone
(B) p-nitrobenzene carbaldehyde
(C) Benzene carbaldehyde
(D) p-toluadehyde
Option b – p-nitrobenzene carbaldehyde
The Haloform test is not shown by:
(A) Propanone
(B) Acetaldehyde
(C) ter.pentyl alcohol
(D) sec.pentyl alcohol
Option c – ter.pentyl alcohol
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