Iii) What is variable valency? Give two examples of elements showing v

1.	Iii) What is variable valency? Give two examples of elements showing variable valency
Answer» Answer: I know 3 elements Explanation: ELEMENT SYMBOL VALENCY ION COPPER. CU. 1&2. Cu+ Cu2+ Mercury. Hv. 1&2. HG+ Hg2+ Iron. Fe. 2&3. Fe2+ Fe3+ NOMENCLATURE Copper- Cuprous (Cu+) and Cupric (Cu2+) Mercury- Mercurous (Hg+) and Mercuric (Hg2+) Iron- Ferrous (Fe2+) and FERRIC (Fe3+)

Iii) What is variable valency? Give two examples of elements showing variable valency

Answer»

Answer:

I know 3 elements

Explanation:

ELEMENT SYMBOL VALENCY ION

COPPER. CU. 1&2. Cu+

Cu2+

Mercury. Hv. 1&2. HG+

Hg2+

Iron. Fe. 2&3. Fe2+

Fe3+ NOMENCLATURE

Copper- Cuprous (Cu+) and Cupric (Cu2+)

Mercury- Mercurous (Hg+) and Mercuric (Hg2+)

Iron- Ferrous (Fe2+) and FERRIC (Fe3+)