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प्रश्न
The yellow colour in NaCl crystal is due to ____________.
पर्याय
excitation of electrons in F centers
reflection of light from Cl− ion on the surface
refraction of light from Na+ ion
all of the above
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उत्तर
The yellow colour in NaCl crystal is due to excitation of electrons in F centers.
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संबंधित प्रश्न
Define the following term: Primitive unit cells
An ionic crystal lattice has `r^+/r` radius ratio of 0.320, its coordination number is __
(a) 3
(b) 4
(c) 6
(d) 8
For a crystal of sodium chloride, state the type of lattice in which it crystallises.
i)
Consider the following cell reaction at 298 K: [3]
2Ag+ + Cd → 2Ag + Cd2+
The standard reduction potentials (E°) for Ag+/Ag and Cd2-/Cd are 0.80 V and -0.40 V respectively:
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(2) What will be the emf of the cell if the concentration of Cd2+ is 0.1M and that of Ag+ is 0.2 M?
(3) Will the cell work spontaneously for the condition given in (2) above?
(ii)
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