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सी.आई.एस.सी.ई.आईसीएसई ICSE Class 7

Write the Names of Zncl_2 Compounds :

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प्रश्न

Write the names of `"ZnCl"_2 ` compounds :

एक पंक्ति में उत्तर
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उत्तर

`"ZnCl"_2 ` -  Zinc chloride 

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अध्याय 4: Atoms, Molecules and Radicals - Exercise

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सेलिना Concise Chemistry [English] Class 7 ICSE
अध्याय 4 Atoms, Molecules and Radicals
Exercise | Q 8.7

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Give example.

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

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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?

Dichromate


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

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