Question
Ilcat of ncutralization is least in(1) $\mathrm{NaOH}+\mathrm{CH}_{3} \mathrm{COOH}$(2) $\mathrm{NaOH}+\mathrm{HCl}$(3) $\mathrm{NH}_{4} \mathrm{OH}+\mathrm{CH}_{3} \mathrm{COOH}$(4) $\mathrm{NH}_{4} \mathrm{OH}+\mathrm{HCl}$
Step 1
It is a type of exothermic reaction. Show more…
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Heat of neutralization is less than $13.7 \mathrm{kcal} / \mathrm{mole}$ for the reaction (a) $\mathrm{HCl}+\mathrm{NaOH} \rightarrow \mathrm{NaCl}+\mathrm{H}_{2} \mathrm{O}$ (b) $\mathrm{H}_{2} \mathrm{SO}_{4}+2 \mathrm{NaOH} \rightarrow \mathrm{Na}_{2} \mathrm{SO}_{4}+2 \mathrm{H}_{2} \mathrm{O}$ (c) $\mathrm{HNO}_{3}+\mathrm{NaOH} \rightarrow \mathrm{NaNO}_{3}+\mathrm{H}_{2} \mathrm{O}$ (d) $\mathrm{CH}_{3} \mathrm{COOH}+\mathrm{NaOH} \rightarrow \mathrm{CH}_{3} \mathrm{COONa}+\mathrm{H}_{2} \mathrm{O}$
Arrange the solutions in order of increasing acidity. $$\mathrm{NaCl}, \mathrm{NH}_{4} \mathrm{Cl}, \mathrm{NaHCO}_{3}, \mathrm{NH}_{4} \mathrm{ClO}_{2}, \mathrm{NaOH}$$
$\mathrm{Fe}(\mathrm{OH})_{3}$ and $\mathrm{Cr}(\mathrm{OH})_{3} \mathrm{ppt}$. are separated by (1) Aq. $\mathrm{NH}_{3}$ (2) $\mathrm{HCl}$ (3) $\mathrm{NaOH} / \mathrm{H}_{2} \mathrm{O}_{2}$ (4) $\mathrm{H}_{2} \mathrm{SO}_{4}$
Qualitative Inorganic Salt Analysis
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