- 1(current)
Q. No.Alkali metals, though white, impart characteristic color to the flame because of
| 1. | excitation and coming back of valence electrons to the original level. |
| 2. | oxidation of metal in the presence of flame. |
| 3. | excitation of valence electrons. |
| 4. | gain of electrons. |
Subtopic: Physical Properties |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIonic mobility of which of the following alkali metal ions is lowest when aqueous solution of their salts are put under an electric field?
1. K
2. Rb
3. Li
4. Na
Subtopic: Physical Properties |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAmong the following which one has the highest cation to anion size ratio?
1. CsF
2. LiF
3. NaF
4. CsI
Subtopic: Physical Properties |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology- 1(current)
Q. No.
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