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Statement I In water, orthoboric acid be...

Statement I In water, orthoboric acid behaves as a weak monobasic acid.
Statement II In water, orthoboric acid acts as a proton donor.

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

Verified by Experts

The correct Answer is:
C
Correct statement-2. In water orthoboric acid behaves as a weak monobasic Lewis acid.
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PRADEEP-SOME p-BLOCK ELEMENTS-Competition Focus (JEE( Main and Advanced)/Medical Entrance) VIII. Assertion-Reason Type Questions (Type I)
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  2. Statement-1. Aluminium acts as a strong affinity for oxygen. Stateme...

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  3. Statement I In water, orthoboric acid behaves as a weak monobasic acid...

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  4. In B(2)H(6), there is no B-B bond. The B(2)H(6).2NH(3) adduct on hea...

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  5. Statement-1. (SiH(3))(H)N is a weaker base than (CH(3))(3)N. Stat...

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  6. Statement-1. Pb^(4+) compounds are stronger oxidizing agent than Sn^(...

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  7. Statement-1. CO(2) is a gas but SiO(2) is a solid at room temperature...

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  8. Assertion. Al and Ga have nearly same atomic radii. Reason. Al and G...

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  9. Assertion: Boron always froms covalent bond. Reason: The small size ...

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  10. Assertion. Coloured cations can be identified by borax bead test. ...

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  11. Borax bead test is not suitable of for Al(III) Al(2)O(3) is insolubl...

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  12. Assertion. SiF(6)^(2-) is known but SiCl(6)^(2-) is not. Reason. Siz...

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  13. Assertion (A): PbCl(2) is more stable than PbCl(4). Reason (R ): P...

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  14. Assertion. PbI(4) is a stable than PbCl(4). Reason. Iodide ion stab...

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  15. Assertion (A) : SnI4 is an orange solid . Reason (R) : The colour ...

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  16. Assertion : Between SiCl(4) and C Cl(4) only SiCl(4) reacts with water...

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  17. Assertion. Diamond is the hardest possible substance and is a networ...

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  18. Assertion (A) Graphite is a good conductor of heat and electicity. ...

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  19. Assertion (A) : C(60) fullerence is an allotrope OF carbon. Reason (...

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  20. Assertion. Carbon monoxide is highly toxic. Reason. Carbon monoxide ...

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