The correct order of atomic radii among the group 13 elements is-
1. B < Al < In < Ga < Tl
2. B < Al < Ga < In < Tl
3. B < Ga < Al < Tl < In
4. B < Ga < Al < In < Tl
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAn element that cannot form ion is -
1. Ga
2. Al
3. B
4. In
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe correct statement regarding inert pair effect is -
1. Sn2+ is an oxidizing agent while Pb4+ is a reducing agent
2. Sn2+ and Pb2+ both are oxidizing agents
3. Sn4+ is a reducing agent while Pb4+ is an oxidizing agent
4. Sn2+ is a reducing agent while Pb4+ is an oxidizing agent
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAlF3 is soluble in HF only in the presence of KF due to the formation of-
1.
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIt is because inability of ns2 electrons of the valence shell to participate in bonding that
(1) Sn2+ is reducing while Pb4+ is oxidising agent
(2) Sn2+ is oxidising while Pb4+ is reducing agent
(3) Sn2+ and Pb2+ are both oxidising and reducing agent
(4) Sn4+ is reducing while Pb4+ is oxidising agent
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology