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Assertion :-The formation of a chemical ...

Assertion :-The formation of a chemical bond involves a decrease in the potential energy of the system.
Reason :- According to Lewis, the formation of a chemical bond involves the gain, loss or sharing of electrons.

A

If both Assertion and Reason are CORRECT and Reason is the CORRECT explanation of the Assertion

B

If both Assertion and Reason are CORRECT but Reason is not the CORRECT explanation of the Assertion.

C

If Assertion is CORRECT but Reason is INCORRECT.

D

If Assertion is INCORRECT but Reason is CORRECT.

Text Solution

Verified by Experts

The correct Answer is:
B
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ICSE-CHEMICAL BONDING AND MOLECULAR STRUCTURE-FILL IN THE BLANKS TYPE QUESTIONS
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  2. Hydrogen bond energy is around ............ kJ mol^(-1)

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  3. Paramagnetism is shown by the molecules which have

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  4. Fill in the blanks by chossing the appropriate word/words from those g...

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  5. Molecular orbitals can best be approximated by the .....combination of...

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  6. According to Bohr's theory, the angular momentum of an electron in 5^(...

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  7. The bond multiplicity leads to ............ in bond distance.

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  8. A pi-molecular orbital is formed by the ............ overlapping of at...

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  9. A molecule is unstable when the bond order is .. ..........or ...........

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  10. Among N(2)^(+), N(2)^(-) and N(2)^(2-) the least stable ion is .........

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  11. The bond order of O(2)^(2-) ion is ............ and the ion is ..........

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  12. Assertion :-The formation of a chemical bond involves a decrease in th...

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  13. Assertion :- A low value of ionisation energy of the electropositive ...

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  14. Assertion :- CH4 obeys the octet rule. Reason :- During the formati...

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  15. Assertion :- The observed bond angle in NH3 molecule is less than 109^...

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  16. Assertion :-The o-bond is stronger as compared to a pi-bond. Reason ...

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  17. Assertion :-The acetylene molecule is linear in shape. Reason :- Th...

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  18. Assertion :- The net dipole moment of BF3 is zero. Reason :- The ne...

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  19. Assertion :-Structures : overset(* * )(N^(-)) = overset(+ )N = overset...

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  20. Assertion :-Among O(2)^(+ ) ,O(2),O(2)^(-) and O(2)^(2-) species, O2 ...

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