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Which is used in high temperature thermo...

Which is used in high temperature thermometry ?

A

Na

B

Ti

C

Ga

D

Hg

Text Solution

Verified by Experts

The correct Answer is:
C
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PATHFINDER-P-BLOCK ELEMENTS -QUESTION BANK
  1. BCl3 does not exist as dimer but BH3 exist as dimer (B2H6) because :

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  2. Aluminium does not react with :

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  3. Which is used in high temperature thermometry ?

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  4. Discuss the change in coordination number when crystalline AlCl3 is he...

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  5. B2H6 reacts with NH3 to form different products. Write the products.

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  6. Which element of gp. 14 forms only one hydride ?

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  7. R3SiCl on hydrolysis forms :

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  8. Why are pb (IV) salts less abundant ?

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  9. CO2 is an acidic anhydride while PbO2 is basic anhydride. Explain.

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  10. SnCl2. 2H2O readily loses one molecule of water at 80^@C. Why ?

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  11. H3BO3 is:

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  12. Boron forms BX3 type of halides. The correct increasing order of Lewis...

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  13. Me3B,BH3 and BF3 are three Lewis acids. Which one of the following is ...

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  14. B(OH)3+NaOH iff Na[B(OH)4] How can this reaction is made to proceed i...

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  15. AlCl3 exist as dimer because of

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  16. Which of the following is not true for potash alum ?

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  17. Thermite is mixture of X parts of ferric oxide and Y parts of aluminiu...

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  18. Heating an aqueous solution of aluminium chloride to dryness will give...

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  19. While testing BO3^3, there is a green edged flame on heating the salt ...

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  20. Borax is actually made of two tetrahedral and two triangular units joi...

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