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Assertion (A) : Silicons are water repel...

Assertion (A) : Silicons are water repelling in nature.
Reason (R ) : Silicons are organosilicon polymers, which have `(-R_(2)SiO-)` as repeating unit.

A

A and R both are correct and R is the correct explanation of A .

B

Both A and R are correct but R is not the correct explanation of A.

C

A and R both are not true.

D

A is not true but R is true.

Text Solution

Verified by Experts

The correct Answer is:
B
Correct explanation. Silicon are water respelling in nature since these are surrounded by non-polar alkyl groups.
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DINESH PUBLICATION-P BLOCK ELEMENTS (GROUP 13 AND 14 )-Multiple choice
  1. Match the species given in Column I with the hybridstion given in Col...

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  2. Assertion (A): If aluminium atom s replace a few silicon atoms in thre...

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  3. Assertion (A) : Silicons are water repelling in nature. Reason (R ) ...

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  4. Three centred bond is present in:

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  5. Indiborane:

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  6. Aluminium vessels should not be washed with materials containing washi...

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  7. Aluminium is more reactive thant iron. But aluminium is less easily co...

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  8. BCl(3) does not exist as a dimer but BH(3) exists as B(2)H(6) because:

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  9. The difference in properties of CH(4) and SiH(4) is due to :

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  10. C Cl(4) is inert towards hydrolysis but SiCl(4) is readily hydrolysed...

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  11. Which of the following oxides has three dimensional structure?

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  12. When carbon burns in air, it forms two oxides CO and CO(2). This shows...

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  13. The number and type of bonds between two carbon atoms in CaC(2) are:

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  14. Which has the lowest b.p?

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  15. Thallium shows different oxidation states due to :

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  16. Which is the strongest Lewis acid?

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  17. Which is used in high temperature thermometry ?

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  18. Three centred two electron bond is present in

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  19. The most that does not give the borax bead test

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  20. There are two H-bridge bonds in diborane molecule because there are

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