Molecular Formula
Trending Questions
- 2, 2
- 2, 3
- 3, 3
- 3, 2
- MgCl4
- MgCl3
- MgCl2
- MgCl
3. Ferrous and ferric ions have valency:
+1 and +2 respectively
+2 and +3 respectively
-2 and -3 respectively
+1 and +3 respectively
During a chemical reaction, it was found that Sulphur Trioxide was released. The valency of Sulphur in the compound is
In the formula MgCl2, the subscript '2' subscript “ 2 “ below Cl indicates the number of atoms of chlorine present in one molecule of magnesium chloride.
True
False
The formula of a compound having its constituent as X and Y is X2Y3. If the element will form its chloride then what will be the formula of the compound?
X2Cl
XCl2
X3Cl
XCl3
- Au
- Pb
- Ag
- P
- 3, 2
- 2, 2
- 3, 3
- 2, 3
The ionic compound containing Fe3+ and (SO4)2− would have the formula
Fe2SO4
Fe3(SO4)2
Fe2(SO4)3
Fe3SO4
Statement II: The compound formed in the above case have a molecular formula XH4.
- Statement I and II are incorrect.
- Statement I and II are correct.
- Statement I is correct but II is not.
- Statement II is correct but I is not.
Formula of a compound having its constituent as X and Y is X2Y3. If the element will form its Chloride then what will be the formula of the compound?
X3Cl
XCl3
X2Cl
XCl2
How is valency helpful in writing chemical formula? Which one of the following is correct?
Formula can be written by balancing the valencies of the different atoms.
Formula can be written by reducing the valencies of different atoms.
Formula can be written by balancing the valencies of the same atoms.
Formula can be written by balancing the moles.