The ionic radius indicates the distance between the nucleus and:
1. Outermost shell of an atom.
2. Outermost shell of an ion.
3. Outermost shell of the cation only.
4. Outermost shell of the anion only.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe trend of atomic radius in a period and a group is :
1. | Generally decreases from right to left across a period and increases down a group. |
2. | Generally increases from left to right across a period and decreases down a group. |
3. | Generally decreases from left to right across a period and increases down a group. |
4. | Generally remains same from left to right across a period and increases down a group. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAnions are larger in radius than their parent atoms because:
1. | An anion has a fewer number of electrons than its parent atom |
2. | An anion has the same number of electrons as its parent atom. |
3. | An anion has a higher effective nuclear charge. |
4. | An anion has more electrons than its parent atom |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe correct statement about the radius of a species is :
1. | Radius increases during cation and anion formation. |
2. | Radius increases during anion formation and decreases during cation formation. |
3. | Radius decreases in cation as well as anion. |
4. | Radius decreases during anion formation and increases during cation formation. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe size of isoelectronic species: F–, Ne and Na+, is affected by :
1. | Nuclear charge (Z) |
2. | Valence principal quantum number (n) |
3. | Electron-electron interaction in the outer orbitals |
4. | None of the above factors because their size is the same |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMatch the following isoelectronic species in Column I and Column II:
Column I | Column II | ||
i. | a. | ||
ii. | Ar | b. | |
iii. | c. | ||
iv. | d. |
i | ii | iii | iv | |
1. | b | c | a | d |
2. | c | b | a | d |
3. | c | d | b | a |
4. | b | c | d | a |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology