1. | The relative stability of group 13 elements in +1 oxidation state varies as : Al < Ga < In < Tl. |
2. | Boron trioxide is acidic, aluminium and gallium trioxides are amphoteric while indium and thallium trioxides are basic. |
3. | The hybridisation of Al in \(\left[\mathrm{Al}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{3+}\) is \(\text{d}^2\text{ sp}^3.\) |
4. | Two isotopes of Boron, namely \(^{10}\!\mathrm{~B}(19 \%)\) and \(^{11}\! \mathrm{~B}(81 \%)\) are known. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. | Ga | 2. | In |
3. | Al | 4. | B |
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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 & BiologyWhich of the following is the correct statement?
1. Ga+ is more stable than ln+.
2. Al+ is more stable than ln+.
3. Ga+ is more stable than Al+.
4. Al+ is more stable than Ga+.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAluminium chloride in acidified aqueous solution forms a complex 'A'.
The formula of A and hybridisation state of Al in 'A' is respectively:
1. [Al(H2O)6]3+, sp3d2
2. [Al(H2O)4]3+, sp3
3. [Al(H2O)4]3+, dsp2
4. [Al(H2O)]3+, d2sp3
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe correct order of atomic radii of 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 & BiologyAlF3 is soluble in HF only in the presence of KF due to the formation of:
1. | K3[AlF3H3] | 2. | K3[AlF6] |
3. | AlH3 | 4. | K[AlF3H] |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe stability of +1 oxidation state among Al, Ga, In and Tl increases in the sequence?
1. Ga < ln < Al < Tl
2. Al < Ga < ln < Tl
3. Tl < ln < Ga < Al
4. ln < Tl < Ga < Al
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following statements is incorrect?
1. | NaHCO3 on heating gives Na2CO3. |
2. | Pure sodium metal dissolves in liquid ammonia to give a blue solution. |
3. | NaOH reacts with glass to give sodium silicate. |
4. | Aluminium reacts with excess NaOH to give Al(OH)3. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe stability of the +1 oxidation state increases in the sequence:
1. Al <Ga<In<Tl
2. Tl<In<Ga<Al
3. In<Tl<Ga<Al
4. Ga<In<Al<Tl
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology