An element A forms a compound ACl3with chlorine .Another element B forms a compound A 2B 3 with A. Given that the valency of chlorine is 1,what are the valencies of A & B?
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An element A forms a compound ACl3with chlorine .Another element B forms a compound A 2B 3 with A. Given that the valency of chlorine is 1,what are the valencies of A & B?
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aroraradhika69 Ambitious
Answer:
Explanation:
75 % by weight means 75gm of A is present in 100gm of compound formed say X
75÷atomic wt of a
=75÷75=1
Thus atoms of a in x is 1
Similarly atoms of b will be 25÷25=1
Hence the formula will be AB
☬Dђruv☬ Given By answer
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3 1
A valency is exchanged with Cl valency and CL valency is exchanged with A valency.
The valency of B is2 as A B
3 2
There fore B valency is exchanged with A valency.
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