The yellow colour in NaCl crystal is due to ____________. - Vidyadip

MCQ

The yellow colour in NaCl crystal is due to ____________.

✓
excitation of electrons in F centers
B
reflection of light from Cl− ion on the surface
C
refraction of light from Na+ ion
D
all of the above

✓

Answer

Correct option: A.

excitation of electrons in F centers

The yellow colour in NaCl crystal is due to excitation of electrons in F centers.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "Choose the most appropriate answer from the given alternatives and write the option code and the corresponding answer." from Solid State→Solid State — all question types→Chemistry STD 12 question papers→Tamilnadu Board STD 12 question papers→Tamilnadu Board question paper generator→

Similar questions

Sucrose molecule is made up of …………..

Which of the following is not purified by zone refining process?

Zinc can be coated on iron to produce galvanized iron but the reverse is not possible. It is because ____________.

Assertlon(A): Almost all carbohydrates are optically active.
Reason (R): All carbohydrates have one or more chiral carbon atoms.

Assertion(A): Maltose, a disaccharide acts as a reducing sugar.
Reason (R): Maltose consists of two molecules of α – D glucose with linked by α, 1, 4 – glycosidic bond and one glucose has the carbonyl group.

Assertion(A): Transparent soaps are made by dissolving soaps in ethanol.
Reason (R): Ethanol made things invisible.

Assertion(A): Carboxylic acid do not give the characteristic reaction of carbonyl group as given by aldehyde and ketone.
Reason (R): The carbonyl carbon of carboxylic acid is involved in resonance.

Glyceryl ester of long chain fatty acids are called …………..

Which of the following is not a sugar substituent?

The first step take place in Cannizaro reaction mechanism is ……………..