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Give example. Positive radicals - Science and Technology

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प्रश्न

Give example.

Positive radicals

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उत्तर

H+, Na+, K+, Ag+, Cu+, Hg+

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पाठ 4: Measurement of Matter - Exercise [पृष्ठ ५७]

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बालभारती Science and Technology [English] 9 Standard Maharashtra State Board
पाठ 4 Measurement of Matter
Exercise | Q 1. a. | पृष्ठ ५७

संबंधित प्रश्‍न

Write the names of `"HgO"` compounds :


Write the names of ZnS compounds :


Tick (√) the correct answer.

The sulphate radical is written as S042-. What is the formula of calcium sulphate ?


What is the name of a particle which contains 10 electrons, 11 protons and 12 neutrons ?


Name the particle which has 18 electrons, 18 neutrons and 17 protons in it.


Fill in the following blank with suitable word:

A sulphide ion has negative charge because it contains less ....................... than ...................


An element X has a valency of 2. Write the simplest formula for oxide of the element.


Give example.

Basic radicals


Give example.

Trivalent basic radicals


Choose the correct answer from the options given below.

The number of carbon atoms in a hydrogen carbonate radical is


Name the following radicals and give their valencies:

1. SO4
2. CO3
3. OH4.
4.Cr2O7


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


Fill in the blank:

A radical with one atom of sulphur and three atoms of oxygen are __________.


Match the radicals in List I with their correct names from List II.

List I List II
1. `"NO"_3^(1-)` A: Bisulphite F: Sulphate
2. `"HSO"_4^(1-)` B: Phosphate G: Nitrate
3. `"SO"_4^(2-)` C: Carbonate H: Phosphite
4. `"PO"_4^(3-)` D: Nitrite I: Sulpite
5. `"HCO"_3^(1-)` E: Bicarbonate J: Bisulphate

State if the following element or radical is divalent?

Carbide


State if the following element or radical is divalent?

Bisulphite


State if the following element or radical is divalent?

Dichromate


State if the following element or radical is divalent?

Permanganate


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