CameraIcon

SearchIcon

MyQuestionIcon

4

You visited us 4 times! Enjoying our articles? Unlock Full Access!

Oxygen

A compound ha...

Question

A compound has vapour density 29. On warming with a solution of iodine in alkali, it gives a yellow precipitate, the compound is---- 1. CH3CH2CHO 2. CH3COCH3 3. CH3CHOHCH3 4. CH2CH2CH2Br

Open in App

Solution

Suggest Corrections

thumbs-up

1

Similar questions

Q. A compound have the vapour density of 29. When its aqueous alkaline solution is heated with

I_{2}

, yellow precipitate forms. The compound may be:

Q. Following compounds are given
(i)

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

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

C H_{3} - C | C H_{3} H O H

C H_{3} O H

Which of the above compound(s) on being warmed with iodine solution and

N a O H

, will give iodoform?

Q. A carbonyl compound gives pink colour with Schiff's reagent and a yellow precipitates when boiled with iodine and caustic alkali. It also gives a red precipitate with Fehling's solution. It is likely to be :-

Q. Which of the following compounds will give a yellow precipitate with iodine and alkali?

Q. An aromatic compound 'A' (Molecular formula

C_{8} H_{8} O

) gives positive

2, 4

-DNP test. It gives a yellow precipitate of compound '

B

' on treatment with iodine and sodium hydroxide solution. Compound '

A

' does not give Tollen's or Fehling's test. On drastic oxidation with potassium permanganate it forms a carboxylic acid '

C

' (Molecular formula

C_{7} H_{6} O_{2}

), which is also formed along with the yellow compound in the above reaction. Identify

A

B

C

and write all the reactions involved.

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Oxygen_tackle

CHEMISTRY

Watch in App

explore_more_icon

Explore more

Standard VII Chemistry

Join BYJU'S Learning Program

CrossIcon