Which of the following will show positive iodoform test?

C H_{3} C H_{2} C H O

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C H_{3} C O C H_{3}

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C H_{3} C H O

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C_{6} H_{5} C O C H_{3}

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Solution

The correct options are
B $C H_{3} C O C H_{3}$
C $C_{6} H_{5} C O C H_{3}$
D $C H_{3} C H O$
For iodoform test , we require 3 alpha hydrogens that is, we require the following groups :

1) $C H_{3} - C H (O H) -$ group or
2) $R - C O - C H_{3}$ group

Options B, C and D are correct.

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Similar questions

Q. Iodoform test can be answered by
A)

C H_{3} C H O

C H_{3} C O C H_{3}

C_{2} H_{5} O H

(C H_{3})_{2} C H O H

Q. The correct order of reactivity of

C H_{3} C H O

C H_{3} C O C_{2} H_{5}

C H_{3} C O C H_{3}

and

C H_{3} C H_{2} C H O

X,Y and Z are three organic compounds. All the three undergo iodoform test .Only Y and Z can react with 2,4 -DNP. Only Z can reduce tollen's reagent. Here X,Y and Z respectively

Q. Which of the following compounds will give a positive iodoform test?

C_{2} H_{5} O H

C H_{3} C H O

C H_{3} O H

H C H O

Q. Which of the following compounds will give positive iodoform test ?

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Which of the following will show positive iodoform test?

The correct options are B CH3COCH3 C C6H5COCH3 D CH3CHOFor iodoform test , we require 3 alpha hydrogens that is, we require the following groups : 1) CH3−CH(OH)− group or2) R−CO−CH3 groupOptions B, C and D are correct.

The correct options are
B $C H_{3} C O C H_{3}$
C $C_{6} H_{5} C O C H_{3}$
D $C H_{3} C H O$
For iodoform test , we require 3 alpha hydrogens that is, we require the following groups :

1) $C H_{3} - C H (O H) -$ group or
2) $R - C O - C H_{3}$ group

Options B, C and D are correct.