CameraIcon

SearchIcon

MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Cellulose

Why starch tu...

Question

Why starch turns blue black with iodine ?

Open in App

Solution

Appearance of blue colour with the addition of iodine is due to its reaction with amylose fraction of starch

Suggest Corrections

thumbs-up

0

Similar questions

Q. On reaction with iodine starch turns blue black, why ?

On treatment with iodine, the presence of starch gives blue-black colour because

Q. Rice is a rich source of starch and iodine gives blue black colour with starch. If you add iodine solution to chewed rice what colour will it give?

Q. Assertion :When moist starch iodide paper comes in contact with chlorine, it turns blue back. Reason: Free iodine is liberated from potassium iodide.

Q. Why do fallen leaves not turn blue-black on being tested with iodine?

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Carbohydrates

BIOLOGY

Watch in App

explore_more_icon

Explore more

Standard XII Biology

Join BYJU'S Learning Program

CrossIcon