The p-Block Elements questions
1863 published questions with worked solutions.
- Helium is used in gas balloons instead of hydrogen because:
- XeF_6, on complete hydrolysis, gives:
- The first stable compound of an inert gas was prepared by:
- A mixture of noble gases is separated by:
- The solubility of noble gases in water shows the order:
- The first noble gas compound obtained was:
- Argon was discovered by:
- Which noble gas is more soluble in water?
- Which statement regarding He is incorrect?
- Xenon directly combines with:
- The principal source of helium is:
- What are the products formed in the reaction of xenon hexafluoride with silicon dioxide?
- Noble gases possess:
- The inert gas obtained from monazite sand is:
- Radon is a noble gas. Its radioactivity is used in the treatment of:
- The idea which prompted Bartlett to prepare the first-ever compound of a noble gas was:
- Three moles of B_2H_6 are completely reacted with methanol. The number of moles of the boron-containing product formed is ......
- The oxidation state of P in pyrophosphoric acid is ______.
- How many of the following oxidation states are possible for chlorine? -2, -1, +1, +2, +3, +4, +5, +6, +7
- The number of metalloid elements in group 15 of the periodic table is ______.
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