Nitric Acid

Q.

When Aniline is treated with Nitrous acid, which is prepared

in situ

from Sodium Nitrite and mineral acid, the product formed is:

$C_6{H}_{5}N{H}_2+HCl+NaN{O}_2\to$ _____________ + $2H_{2}O$

1. Chloro benzene
2. Phenol
3. None
4. Benzene diazonium chloride

Q. Consider two sparingly soluble salts $AB$ and $AC$.
If $AB$ has solubility as $xmol{L}^{-1}$ in presence of $AC$ , and $AC$ has solubility as $ymol{L}^{-1}$ in presence of $AB$.
Which of the following relations are correct?

1. $\frac{K_{s{p}_1}}{K_{s{p}_2}}=\frac{x}{y}$
2. $x-y=\sqrt{K_{s{p}_1}+K_{s{p}_2}}$
3. $x+y=\sqrt{K_{s{p}_1}+K_{s{p}_2}}$
4. $\frac{K_{s{p}_2}}{K_{s{p}_1}}=\frac{x}{y}$

Q. Large-scale manufacture of nitric acid by Ostawald process utilizes the reaction-

1. $2NaN{O}_3+H_{2}S{O}_4\to N{a}_{2}S{O}_4+2HN{O}_3$
2. $4N{H}_3+5O_2\to 4NO+6H_{2}O$
3. $N{O}_2^{+}+N{O}_3^{-}+H_{2}O\to 2HN{O}_3$
4. $2NO+O_2+H_{2}O\to HN{O}_3+HN{O}_2$

Q. Match each of the reactions given in Column I with the corresponding product(s) given in Column II. $\begin{array}{cc}\text{Column I}& \text{Column II}\\ \text{a.}Cu+dil.HN{O}_3& \text{p.}\text{NO}\\ \text{b.}Cu+conc.HN{O}_3& \text{q.}N{O}_2\\ \text{c.}Zn+dil.HN{O}_3& \text{r.}{N}_{2}O\\ \text{d.}Zn+conc.HN{O}_3& \text{s.}Cu(N{O}_3{)}_2\\ & \text{t.}Zn(N{O}_3{)}_2\end{array}$

1. $\text{a}-\text{p},\text{s}$
   $\text{b}-\text{q},\text{s}$
   $\text{c}-\text{r},\text{t}$
   $\text{d}-\text{q},\text{t}$
2. $\text{a}-\text{q},\text{s}$
   $\text{b}-\text{p},\text{s}$
   $\text{c}-\text{p},\text{t}$
   $\text{d}-\text{q},\text{t}$
3. $\text{a}-\text{q},\text{s}$
   $\text{b}-\text{q},\text{s}$
   $\text{c}-\text{p},\text{t}$
   $\text{d}-\text{p},\text{t}$
4. $\text{a}-\text{p},\text{s}$
   $\text{b}-\text{p},\text{s}$
   $\text{c}-\text{q},\text{t}$
   $\text{d}-\text{r},\text{t}$

Q. The reaction of zinc with dilute and concentrated nitric acid respectively, produces:

1. $N{O}_2$ and $NO$
2. $NO$ and $N_{2}O$
3. $N{O}_2$ and $N_{2}O$
4. $N_{2}O$ and $N{O}_2$

Q. Nitric acid $\left(HN{O}_3\right),$ also known as aqua fortis (Latin for "strong water") or spirit of niter, is a highly corrosive mineral acid. Nitric acid reacts with most metals, but the details depend on the concentration of the acid and the nature of the metal.

List-I contains chemical reactions of metals with $HN{O}_3$ and List-II contains the compound(s) formed.

$\begin{array}{ccccc}& List-I& & List-II& \\ \left(I\right)& \text{Ca with dilute and cold}HN{O}_3& \left(P\right)& \text{Metal nitrate}& \\ \left(II\right)& \text{As with concentrated}HN{O}_3& \left(Q\right)& NO& \\ \left(III\right)& \text{Zn with dilute}HN{O}_3& \left(R\right)& N{O}_2& \\ \left(IV\right)& \text{Cu with dilute}HN{O}_3& \left(S\right)& N_{2}O& \\ & & \left(T\right)& \text{Tribasic acid}& \\ & & \left(U\right)& \text{Hydrogen gas}& \end{array}$

Which of the following options has the correct combination considering List-I and List-II?

1. $\left(III\right),\left(P\right)\left(S\right)and\left(IV\right),\left(P\right)\left(Q\right)$
2. $\left(III\right),\left(P\right)\left(U\right)and\left(IV\right),\left(P\right)\left(R\right)$
3. $\left(III\right),\left(P\right)\left(Q\right)and\left(IV\right),\left(R\right)\left(T\right)$
4. $\left(III\right),\left(R\right)\left(T\right)and\left(IV\right),\left(P\right)\left(U\right)$

Q. Sugarcane on reaction with nitric acid gives

1. $C{O}_2$ and $S{O}_2$
2. $(COOH{)}_2$
3. 2HCOOH (two moles)
4. no reaction

Q.

Nitric acid is produced by the

1. Hoopes proess

2. Leblanc process

3. Oswald’s process

4. Deacon process

Q.

Match each of the reactions given in Column - I with the corresponding product(s) given in Column - II:
$\begin{array}{cc}Column-I& Column-II\\ \left(a\right)Cu+dil.HN{O}_3& \left(p\right)NO\\ \left(b\right)Cu+conc.HN{O}_3& \left(q\right)N{O}_2\\ \left(c\right)Zn+dil.HN{O}_3& \left(r\right)N_{2}O\\ \left(d\right)Zn+conc.HN{O}_3& \left(s\right)Cu(N{O}_3{)}_2\\ & \left(t\right)Zn(N{O}_3{)}_2\end{array}$

___

Q. Match each of the reactions given in $ColumnI$ with the corresponding product(s) given in $ColumnII$.
$$\begin{array}{cccc}& ColumnI& & ColumnII\\ A.& Cu+dil.HN{O}_3& p.& NO\\ B.& Cu+conc.HN{O}_3& q.& N{O}_2\\ C.& Zn+dil.HN{O}_3& r.& N_{2}O\\ D.& Zn+conc.HN{O}_3& s.& Cu(N{O}_3{)}_2\\ & & t.& Zn(N{O}_3{)}_2\end{array}$$

1. A. $⟶$ r, s; B. $⟶$ q, s; C. $⟶$ p, t; D. $⟶$ q, t;
2. A. $⟶$ r, s; B. $⟶$ q, s; C. $⟶$ r, t; D. $⟶$ q, t;
3. A. $⟶$ p, s; B. $⟶$ q, s; C. $⟶$ p, t; D. $⟶$ q, t;
4. A. $⟶$ p, s; B. $⟶$ q, s; C. $⟶$ r, t; D. $⟶$ q, t;

Q. Large-scale manufacture of nitric acid by Ostawald process utilizes the reaction-

1. $2NaN{O}_3+H_{2}S{O}_4\to N{a}_{2}S{O}_4+2HN{O}_3$
2. $4N{H}_3+5O_2\to 4NO+6H_{2}O$
3. $N{O}_2^{+}+N{O}_3^{-}+H_{2}O\to 2HN{O}_3$
4. $2NO+O_2+H_{2}O\to HN{O}_3+HN{O}_2$

Q. Sugarcane on reaction with nitric acid gives

1. $C{O}_2$ and $S{O}_2$
2. $(COOH{)}_2$
3. 2HCOOH (two moles)
4. no reaction

Q. Which of the following is correct about lunar caustic?

1. When it is heated to its melting point, it decomposes to $Ag$, $N{O}_2$ and $O_2$
2. When it is heated till it gets red hot, it decomposes to $AgN{O}_2$ and $O_2$
3. It is prepared by reacting silver with nitric acid
4. When it is treated with $KI$ solution, it gives a yellow coloured compound which does not dissolve in $KCN$ solution