MyQuestionIcon

265

You visited us 265 times! Enjoying our articles? Unlock Full Access!

Identification Test for Salts

Potassium bur...

Question

Potassium burns in water with a __________ flame.

A

lilac

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

B

blue

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C

red

No worries! We‘ve got your back. Try BYJU‘S free classes today!

D

brown

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is B lilac
Potassium burns with a lilac flame.
It is soft alkali metal that oxidizes rapidly in air and is very reactive with water generating sufficient heat to ignite the hydrogen emitted in the reaction.

Suggest Corrections

thumbs-up

0

Similar questions

Q. Potassium on reacting with cold water catches fire and burns in a flame. Guess the colour of the flame.

When potassium reacts with cold water then hydrogen gas burns with a:-

When potassium reacts with cold water then hydrogen gas burns with a _____ coloured flame.

Q. (a) What is a balanced chemical equation? Why should chemical equations be balanced?
(b) Aluminium burns in chlorine to form aluminium chloride (AlCl₃). Write a balanced chemical equation for this reaction.
(c) Potassium metal reacts with water to give potassium hydroxide and hydrogen gas. Write a balanced chemical equation for this reaction.

Q. A reaction between lead and concentrated potassium hydroxide liberates a gas that burns with a characteristic pop-up sound. Identify that gas from the given options.

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Identification test for Salts

CHEMISTRY

Watch in App

explore_more_icon

Explore more

Identification Test for Salts

Standard IX Chemistry

Join BYJU'S Learning Program

CrossIcon