Nitric Acid

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 solutions will have minimum vapour pressure a] 1N NaCl b] 1 N MgCl2 c] 1 N AlCl3 d] 1 M Sucrose

Q. In the refining of silver, the recovery of silver from silver nitrate solution involves displacement by copper metal. Write the reaction involved. ​

Q.

Select the displacement and double displacement reaction from the following, (a) $\mathrm{Zn}+{\mathrm{CuSO}}_4\to {\mathrm{ZnSO}}_4+\mathrm{Cu}$?

Q.

What type of reaction is represented by each of the following equation?

${\mathrm{Cl}}_2+2\mathrm{KI}\to 2\mathrm{KCl}+{\mathrm{I}}_2$

Q. All the elements given below are commonly reducing agents except:

1. carbon
2. hydrogen
3. potassium
4. platinum

Q. Reaction of zinc with dilute nitric acid gives:

1. nitrogen gas
2. nitrous oxide
3. hydrogen gas
4. nitrogen oxide

Q. When copper is heated with conc. $HN{O}_3$ it produces

1. $Cu(N{O}_3{)}_2,NO$ and $N{O}_2$
2. $Cu(N{O}_3{)}_2$ and $NO$
3. $Cu(N{O}_3{)}_2$ and $N_{2}O$
4. $Cu(N{O}_3{)}_2$ and $N{O}_2$

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. both A and B
3. Benzene diazonium chloride
4. None

Q. The characteristic(s) observed during the reaction between iron sulphate and zinc is/are:

Q. How will you prepare oxygen at the ordinary temperature in laboratory? Give a balanced equation for the reaction. [2 marks]

Q. The characteristic(s) observed during the reaction between iron sulphate and zinc is/are:

1. colour change
2. absorption of heat
3. evolution of heat
4. formation of a precipitate

Q. Acids react with metal oxide to form _________________.

1. Metal and salt
2. Base and salt
3. Salt and water
4. Base and water

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

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

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

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.

Nitric acid is produced by the

1. Hoopes proess

2. Leblanc process

3. Oswald’s process

4. Deacon process