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प्रश्न
Write the names of allotropic forms of selenium.
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उत्तर
Allotropes of Selenium: Red and grey selenium
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संबंधित प्रश्न
Select appropriate answers for the following.
Stability of interhalogen compounds follows the order _______.
Select appropriate answers for the following.
Chlorine reacts with excess of fluorine to form _______.
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i. Atomic radius
ii. Ionisation enthalpy
iii. Electronegativity
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What is the highest oxidation state exhibited by group 17 elements?
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Give two reactions showing oxidising property of concentrated H2SO4. Write the structures of HClO3 and HClO4.
What are the allotropes of oxygen?
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