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Under the same conditions how many mL of...

Under the same conditions how many mL of 1M KOH and 0.5M `H_(2)SO_(4)` solutions, respctively when mixed for a total volume of 100mL produce the highest rise in temperature

A

`67: 33`

B

`33: 67`

C

`40 : 60`

D

`50: 50`

Text Solution

Verified by Experts

The correct Answer is:
D
Highest temp. rise `rArr` highest eq. neutralised
`rArr` eq. NaOH = eq. `H_(2)SO_(4)`
`1 xx x = 0.5 xx 2 xx (100 -x) rArr x = 100-x`
`x = (100)/(2) = 50 :.` ratio `= (50)/(50)`
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