1.

When 5mL of a 1.0M HCl solution is mixed with 5mL of a 0.1M NaOH solution, temperature of solution increases by t^(@)C. Which of the following(s) can be predicted from this observation

Answer»

If `5mL` of `0.1M HCl` is MIXED with `5mL 0.1M NH_(3)` solution, the temperature rise will be less than `t^(@)C`
If `5mL 0.1M CH_(3)COOH` is mixed with `5mL 0.1 M NaOH`, the temperature rise will be less than `t^(@)C`
If `10mL` of `1.0M HCl` is mixed with `10mL` of `0.1M NaoH`, the temperature rise will be `2t^(@)C`
If `10 ML` of `0.1M HCl` is mixed with `10 mL` of `0.1 M NaCl` the temperature rise will be `t^(@)C`

Solution :ab
Reaction proceeds by limiting REAGENT only. ENTHALPY of neutralization decreases, when acid or base or both are weak:


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