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PATHFINDER-P-BLOCK ELEMENTS -QUESTION BANK
- Which is used in high temperature thermometry ?
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- Discuss the change in coordination number when crystalline AlCl3 is he...
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- B2H6 reacts with NH3 to form different products. Write the products.
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- Which element of gp. 14 forms only one hydride ?
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- R3SiCl on hydrolysis forms :
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- Why are pb (IV) salts less abundant ?
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- CO2 is an acidic anhydride while PbO2 is basic anhydride. Explain.
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- SnCl2. 2H2O readily loses one molecule of water at 80^@C. Why ?
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- H3BO3 is:
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- Boron forms BX3 type of halides. The correct increasing order of Lewis...
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- Me3B,BH3 and BF3 are three Lewis acids. Which one of the following is ...
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- B(OH)3+NaOH iff Na[B(OH)4] How can this reaction is made to proceed i...
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- AlCl3 exist as dimer because of
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- Which of the following is not true for potash alum ?
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- Thermite is mixture of X parts of ferric oxide and Y parts of aluminiu...
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- Heating an aqueous solution of aluminium chloride to dryness will give...
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- While testing BO3^3, there is a green edged flame on heating the salt ...
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- Borax is actually made of two tetrahedral and two triangular units joi...
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- Specify the coordination geometry around and hybridization of N and B ...
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- Which of the following statements is correct?
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