English

Name the Following Radicals : Hc03

Advertisements
Advertisements

Question

Name the following radicals :

HC03

One Line Answer
Advertisements

Solution

HC03 = Bicarbonate

shaalaa.com
  Is there an error in this question or solution?
Chapter 4: Atoms, Molecules and Radicals - Exercise

APPEARS IN

Selina Concise Chemistry [English] Class 7 ICSE
Chapter 4 Atoms, Molecules and Radicals
Exercise | Q 5.2

RELATED QUESTIONS

Name the following radicals :

Cr2072


A liquid compound X of molecular mass 18 u can be obtained from a number of natural sources. All the animals and plants need liquid X for their survival. When an electric current is passed through 200 grams of pure liquid X under suitable conditions, then 178 grams of gas Y and 22 grams of gas Z are produced. Gas Y is produced at the positive electrode whereas gas Z is obtained at the negative electrode. Moreover, gas Y supports combustion whereas gas Z burns itself causing explosions.

  1. Name (i) liquid X (ii) gas Y, and (iii) gas Z.
  2. What is the ratio of the mass of element Z to the mass of element Y in the liquid X ?
  3. Which law of chemical combination is illustrated by this example ?
  4. Name two sources of liquid X.
  5. State an important use of Y in our life.

What do you understand by the following terms?

Basic radical


Write the basic radicals and acidic radicals of the following and then write the chemical formulae of these compound.

Ferrous sulphide 


Differentiate between the following with suitable examples- A basic radical and an acid radical


State if the following element or radical is divalent?

Ammonium


State if the following element or radical is divalent?

Nitride


State if the following element or radical is divalent?

Carbide


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: \[\ce{ClO_3^1-}\]

Atoms that carry positive or negative charges are called ______.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×