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Statement-1 : Molecular species like SF(...

Statement-1 : Molecular species like `SF_(6),PF_(5),I_(3)^(-)` and `XeF_(2)` violate the octet rule.
Statement-2 : Compounds with an expanded octet are called hypervalent compounds.

A

Statement-1 is True, Statement-2 is True, Statement-2 is a correct explanation for Statement-1.

B

Statement-1 is True, Statement-2 is True, Statement-2 is NOT a correct explanation for Statement-1.

C

Statement-1 is True, Statement-2 is False.

D

Statement-1 is False, Statement-2 is True.

Text Solution

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The correct Answer is:
B
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GRB PUBLICATION-CHEMICAL BONDING-I-Reasoning Type
  1. Assertion : Amongst the oxo acids of halogens, HOCI, HOBr and HOI , th...

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  2. Statement-1 : Molecular species like SF(6),PF(5),I(3)^(-) and XeF(2) v...

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  3. Statement-1 : In tetrahedral hybridisation, i.e., in sp^(3) hybridisat...

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  4. Assertion : All F - S - F angle in SF(4) are greater than 90^(@) but ...

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  5. Statement-1 : The bond angles of BrNO, CNO and FNO are approximately 1...

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  6. Assertion : NF(3) has tendency to act as a donor molecule. Reason : ...

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  7. Assertion : In IOF(4)^(-) a single lone pair is present an iodine atom...

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  8. Assertion : Molecular having different hybridisation can have same sha...

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  9. Assertion : Aluminium chloride in acidified aqueous solution from octa...

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  10. Assertion :SO(2),NO(3)^(-) and CO(3)^(2-) are isoelectronic as well ...

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  11. Statement-1 : NO(3)^(-) and PO(3)^(-) have similar formula type but di...

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  12. Assertion : Carbon has unique ability to form p pi-p pi multiple bonds...

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  13. Statement-1 : In graphite, on increasing the temperature the conductiv...

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  14. Assertion :A molecule of Buckminsterfullerene exhibita aromatic charac...

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  15. Statement-1 : In hydrazine each nitrogen atom is tetrahedrally surroun...

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  16. Statement-1 : The hybridisation of N atom in acetamide is sp^(3). St...

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  17. Statement-1 : PF(5) keeps trigonal bipyramidal strucure in gas as well...

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  18. Statement-1 : Fluoromethane (CH(3)F,mu=1.85D) has smaller dipole momen...

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  19. Statement-1 : Allene is a non polar molecule. Statement-2 : Allene i...

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  20. Statement-1 : Dipole moment of NF(3) is less than that of NH(3). Sta...

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