Aluminium 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 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 & 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 & 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 +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 & BiologyIncorrect statement among the following about zeolites is:-
1. They have an open structure which enables them to take up small molecules.
2. Zeolites are aluminosilicates having a three-dimensional network.
3. Some of the units are replaced by ions in zeolites.
4. They are used as cation exchangers.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn Borax bead test which compound is formed :
1. Orthoborate
2. Metaborate
3. Double oxide
4. Tetraborate
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology