Advertisements
Advertisements
Question
Tick (√) the correct answer.
The sulphate radical is written as S042-. What is the formula of calcium sulphate ?
Options
Ca(S04)2
Ca2(S04)
Ca(S04)3
CaS04
Advertisements
Solution
CaS04
APPEARS IN
RELATED QUESTIONS
Name the following radicals :
SO42
Write the names of `"HgO"` compounds :
Write the names of ZnS compounds :
Name the particle which has 18 electrons, 18 neutrons and 17 protons in it.
Explain the formation of (i) sodium ion, and (ii) chloride ion, from their respective atoms giving the number of protons and number of electrons in each one of them. What is the reason for positive charge on a sodium ion and a negative charge on a chloride ion ?
Give example.
Composite radicals
Write the basic radicals and acidic radicals of the following and then write the chemical formulae of these compound.
Stannic oxide
Fill in the blank:
A radical with one atom of sulphur and three atoms of oxygen are __________.
State if the following element or radical is divalent?
Permanganate
Match the names of ions and radicals from 1 to 10 with their correct answer from A to Q.
| Column A | Column B |
| 1. Hypochlorite | A: Hg2+ |
| 2. Permanganate | B: \[\ce{MnO_4^1-}\] |
| 3. Plumbous | C: Sn4+ |
| 4. Zincate | D: Pb2+ |
| 5. Nitride | E: Sn2+ |
| 6. Mercuric | F: Pb4+ |
| 7. Stannic | G: \[\ce{SO_3^2-}\] |
| 8. Nitrite | H: N3- |
| 9. Sulphite | I: \[\ce{NO_2^1-}\] |
| 10. Dichromate | J: \[\ce{MnO_4^2-}\] |
| K: Hg1+ | |
| L: \[\ce{SO_4^2-}\] | |
| M: CIO1- | |
| N: \[\ce{ZnO_2^2-}\] | |
| O: \[\ce{Cr_2O_7^2-}\] | |
| P: \[\ce{CrO_4^2-}\] | |
| Q: \[\ce{ClO_3^1-}\] |
