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Q. No.The standard electrode potential values, Eo for Al3+/Al is –1.66 V and that of Tl3+/Tl is +1.26 V. The formation of M3+ ion in solution is favourable for-
1. Al has greater tendency than Tl.
2. Tl has greater tendency than Al
3. Both have equal tendency
4. Cannot predict.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhite fumes appear around the bottle of anhydrous aluminium chloride due to-
1. Formation of HCl gas
2. Formation of aluminium hydroxide
3. Formation of hydrous aluminium chloride
4. None of the above
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyBoron is unable to form BF63– ion due to:
1. Non-availability of s orbitals
2. Non-availability of d orbitals
3. Non-availability of f orbitals
4. None of the above
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyGiven below are two statements:
| Assertion (A): | Boric acid is considered a weak acid. |
| Reason (R): | Boric acid is not able to release H+ ions on its own. |
| 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 & BiologyConsider the following statements
| (i). | Carbon form the most acidic dioxide among the oxide of group 14. |
| (ii). | Pb mostly found in the +2 oxidation state. |
| (iii). | Only silicon used as a semiconductor. |
Identify the correct statement(s):
1. Only iii
2. i, ii
3. ii, iii
4. Only ii
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyGiven below are two statements:
| Assertion (A): | [SiF6]2– is known whereas [SiCl6]2– is not. |
| Reason (R): | Cl atom causes higher steric hindrance. |
| 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 & BiologyDiamond is covalent, yet it has a high melting point due to-
| 1. | A hexagonal planar structure |
| 2. | Three-dimensional network involving strong C—C bonds |
| 3. | C-C double bond |
| 4. | Octahedral arrangement of carbon atoms |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe incorrect statement among the following about silicone is-
| 1. | It has (-R2SiO-) as a repeating unit |
| 2. | They are hydrophilic(water loving) in nature. |
| 3. | They have high thermal stability, and high dielectric strength |
| 4. | They are used in surgical and cosmetic plant |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologySelect Chapter Topics:
- 1(current)
Q. No.
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