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- Engineering
- The correct order of oxyacids strength: Option: 1 H2CO3 < HBrO4 < H2SO<sub
- #Engineering
- #National Eligilibility Cum Entrance Test
- #Chemistry
- #Classification of Elements and Periodic table
- #Joint Entrance Examination Main
The correct order of oxyacids strength:
H2CO3 < HBrO4 < H2SO4 < HClO4
H2CO3 < H2SO4 < HClO4 < HBrO4
H2CO3 < H2SO4 < HBrO4 < HClO4
H2CO3 > H2SO4 > HClO4 > HBrO4
Answers (1)
Chemical Properties of Elements -
Nature of Oxy-acids
-
The strength of oxyacids formed by non-metals increases in moving from left to right in a period. Thus, oxyacids strength increases as shown below:
HNO3 > H2CO3 > H3BO3
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In moving from top to bottom in a group, the strength of oxyacids decreases. Thus, the order is followed as given below:
HNO3 > H3PO4 > H3AsO4
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If any non-metal forms a number of oxyacids, then the strength of oxyacids increases with the increase of oxygen atoms. Thus, chlorine forms a number of oxyacids and strength follows the given order:
HClO4 > HClO3 > HClO2 > HClO
-
When we go down the group the strength of oxyacids decreases and in period the strength increases.
Position of elements C - S - Cl - Br, going right side of table.
Therefore, Option(3) is correct
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