Given 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 & BiologyAssertion (A): | Silicones are hydrophobic in nature. |
Reason (R): | Si–O–Si linkages are moisture sensitive. |
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. | Both (A) and (R) are false. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyStatement I: | Both carbon and silicon atoms belong to group 14, both CO2 and SiO2 are gases and linear molecules. |
Statement II: | Being electron deficient due to an incomplete octet of the central atom, both BCl3 and AlCl3 behave as Lewis acids. |
1. | Both statements I and II are correct. |
2. | Both statements I and II are incorrect. |
3. | Statement I is correct but statement II is incorrect. |
4. | Statement I is incorrect but statement II is correct. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAssertion (A): | CCl4 is insoluble in water while SiCl4 is soluble in water. |
Reason (R): | Si in SiCl4 can accommodate the lone pair of electrons in d-orbitals obtained from the oxygen atom of water molecules. |
1. | Both A and R are correct and R is the correct explanation of A. |
2. | Both A and R are correct but R is not the correct explanation of A. |
3. | A is correct but R is not correct. |
4. | A is not correct but R is correct. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMatch the species given in Column I with the hybridisation given in Column II.
Column I | Column II |
A. Boron in | i. sp2 |
B. Aluminium in | ii. sp3 |
C. Carbon in Buckminsterfullerene | iii. sp3d2 |
D. Germanium in |
Codes:
Options: | A | B | C | D |
1. | ii | iii | i | iii |
2. | i | i | iii | ii |
3. | iii | ii | ii | i |
4. | i | iii | ii | iii |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology