English

Write the names of allotropic forms of selenium.

Advertisements
Advertisements

Question

Write the names of allotropic forms of selenium.

Very Short Answer
Advertisements

Solution

Allotropes of Selenium: Red and grey selenium

shaalaa.com
  Is there an error in this question or solution?
Chapter 7: Elements of Groups 16, 17 and 18 - Exercises [Page 163]

APPEARS IN

Balbharati Chemistry [English] Standard 12 Maharashtra State Board
Chapter 7 Elements of Groups 16, 17 and 18
Exercises | Q 2. vi. | Page 163

RELATED QUESTIONS

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 _______.


Answer the following.

Write the order of the thermal stability of the hydrides of group 16 elements.


Answer the following.

What is the oxidation state of Te in TeO3?


Answer the following.

What is the action of bromine on magnesium metal?


Complete the following.

\[\ce{ICl3 + H2O -> \underline{}\underline{}\underline{}\underline{} + \underline{}\underline{}\underline{}\underline{} + ICl}\]


Complete the following.

l2 + KClO3 → _______ + KIO3


Complete the following.

\[\ce{XeF4 + SiO2 -> {..........} + SiF4}\]


Answer the following.

Distinguish between rhombic sulfur and monoclinic sulfur.


Describe the manufacturing of H2SO4 by the contact process.


Write the order of ionic character of halides with monovalent metal (M).


Which of the following is INCORRECT with respect to given reaction?

\[\ce{C6H12O6 + 6O2 -> 6CO2 + 6H2O}\]


What is the highest oxidation state possessed by phosphorus in it's oxyacids?


Which of the following statements are TRUE?


Which of the following oxyacid of chlorine has highest thermal stability?


Which is the lowest oxidation state possessed by chlorine in it's oxyacids?


Which of the following oxyacid of chlorine is thermally least stable?


Which halide of magnesium has highest ionic character?


Among the following order, which one is the correct order of reactivity of group 16 elements?


Give two reactions showing oxidising property of concentrated H2SO4. Write the structures of HClO3 and HClO4.


Arrange the halogen acids in the decreasing order of acidic strength.


What is the action of H2 on elements of group 17?


Arrange the following in the increasing order of the property mentioned:

\[\ce{HF}\], \[\ce{HCl}\], \[\ce{HBr}\], \[\ce{HI}\] (thermal stability)


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×