Home
Class 12
CHEMISTRY
Alkali metals give colour in Bunsen flam...

Alkali metals give colour in Bunsen flame due to

A

Low electronegativity

B

One `e^(-)` in outer most orbit

C

Smaller atomic radii

D

Low ionisation energy

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • S-BLOCK ELEMENTS

    ALLEN|Exercise EXERCISE -1 (B)|1 Videos

  • S-BLOCK ELEMENTS

    ALLEN|Exercise EXERCISE -2|1 Videos

  • S-BLOCK ELEMENTS

    ALLEN|Exercise EXERCISE -3|1 Videos

  • s-Block element

    ALLEN|Exercise All Questions|14 Videos

  • SOLUTIONS

    ALLEN|Exercise EXERCISE -05 [B]|22 Videos

Similar Questions

Explore conceptually related problems

Alkali metals are not found in free state due to their highly reactive nature. This is due to

Elements of I A group give colour in Bunsen burner due to

A colorless salt gives violet colour to Bunsen flame and also turns moisture litmus paper blue. It is :

Assertion (A): Alkali metlas impart colour to the flame. Reason (R ): The ionisation energies are low.

Which of the following metal will give apple green colour on Busen flame-

A white solid imparts a violet colour to a Bunsen flame. On being heated with concentrated H_(2)SO_(4) , the solid gives violet vapours that turn starch paper blue. The salt may be :

Explain (i) Why alkali metals are normally kept in kerosene oil. (ii) Why alkali metal impact colour to the flame? (iii) Explain, why lithium chloride has more covalent character than potassium chloride? (iv) Why BeCO_(3) is kept in an atmosphere of CO_(2) ?

alkali metal (A) on flame test gives a crimson red colour to the Bunsen flame. (A) on heating in air gives compound (B), and (B) further on hydrolysis gives (C ) and gas (D). Gas (D) with Nessler's reagent gives a brown precipitate Identify (A), (B), (C ) and (D).

The violet flame shown by potassium in bunsen flame is due to jumping of the electron from

Which of the following imparts green/apple green colour to the Bunsen flame ?