Given $4 N H_{3} (g) + 5 O_{2} (g) \to 4 N O (g) + 6 H_{2} O (g)$
The above reaction is an example of:
(i) displacement reaction
(ii) combination reaction
(iii) redox reaction
(iv) neutralisation reaction

(i) and (iv)

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(ii) and (iii)

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(i) and (iii)

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(iii) and (iv)

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Solution

The correct option is B (ii) and (iii)
Displacement reaction is a chemical reaction in which a more reactive element displaces a less reactive element from its compound. Both metals and non metals take part in displacement reaction.
Redox reaction- Oxidation is defined as an increase in oxidation state and reduction as a decrease in oxidation state. It is the transfer of electrons causing a change in oxidation state of chemical species.

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Q. Question 2

The following reaction is an example of a

4 {NH}_{3} (g) + 5 O_{2} (g) \to 4 NO(g) + 6 H_{2} O(g)

(i) Displacement reaction
(ii) Combination reaction
(iii) Redox reaction
(iv) Neutralisation reaction

(a) (i) and (iv)
(b) (ii) and (iii)
(c) (i) and (iii)
(d) (iii) and (iv)

Q. The following reaction is an example of a:

4 N H_{3} (g)

5 O_{2} (g)

\to

4 N O (g)

6 H_{2} O (g)

(i) displacement reaction
(ii) combination reaction
(iii) redox reaction
(iv) neutralisation reaction

Identify the types of reactions:-

(i) $H_{2} (g) + C l_{2} (g) \to 2 H C l (g)$

(ii) $N a O H (a q) + H C l (a q) \to N a C l (a q) + H_{2} O (l)$

(iii) $F e (s) + S (s) h e a t - - \to F e S (s)$

Q. The reaction between carbon and oxygen can be represented as

C_{(s)} + O_{2 (g)} \to C O_{2 (g)} + h e a t

In which of the following type(s), the above reaction can be classified?
I. Combustion reaction
II. Displacement reaction
III. Endothermic reaction
IV. Combination reaction.

The following reaction is an example of a
$2 P b (N O_{3})_{2} (s) H e a t - -- \to 2 P b O (s) + 4 N O_{2} (g) + O_{2} (g)$
I. Combination reaction
II. Decomposition reaction
III. Endothermic reaction
IV. Exothermic reaction

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Given 4NH3(g)+5O2(g)→4NO(g)+6H2O(g)The above reaction is an example of:(i) displacement reaction(ii) combination reaction(iii) redox reaction(iv) neutralisation reaction

Given $4 N H_{3} (g) + 5 O_{2} (g) \to 4 N O (g) + 6 H_{2} O (g)$
The above reaction is an example of:
(i) displacement reaction
(ii) combination reaction
(iii) redox reaction
(iv) neutralisation reaction