Direction for: In each of the following questions a statement of Assertion is given followed by a corresponding statement of Reason just below it. Of the statements mark the correct answer as
Assertion: Isobutanal does not give iodoform test. Reason: It does not have a-hydrogen.A) If both assertion and reason are true and reason is not the correct explanation of assertion.
B) If both assertion and reason are true but reason is not the correct explanation of assertion.
C) If assertion is true but reason is false.
D) If both assertion and reason are false.
Correct Answer: C
Solution :
Isobutanal is \[\overset{\beta }{\mathop{{{H}_{3}}C}}\,-\overset{^{\beta }C{{H}_{3}}}{\mathop{\overset{|\alpha }{\mathop{CH}}\,}}\,-CHO\] It has one \[\alpha \]-H atom. It does not give iodoform test. Iodoform test is given by compound which either have \[\left[ C{{H}_{3}}\underset{OH}{\mathop{\underset{|}{\mathop{CH}}\,}}\,- \right]\] group or \[\left[ {{H}_{3}}C-\underset{O}{\mathop{\underset{||}{\mathop{CH}}\,}}\,- \right]\]group.
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