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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. | exhibit +2 and +3 oxidation states. |
2. | have \(4 f^5 6 s^2 \) and \(4 f^6 6 s^2\) electronic configurations, respectively. |
3. | have \(4 f^7 6 s^2\) and \(4 f^8 6 s^2\) electronic configurations, respectively. |
4. | have same atomic radii. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPrefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPrefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAssertion (A): | Ionisation enthalpies of early actinoids are lower than for early lanthanoids. |
Reason (R): | Electrons are entering 5f orbitals in actinoids which experience greater shielding from nuclear charge. |
1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
3. | (A) is True but (R) is False. |
4. | (A) is False but (R) is True. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. | High basic character | 2. | Small size |
3. | High exchange enthalpy | 4. | High electronegativity |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology