$Match List - I with List - II:$
$\begin{matrix} List I (Industrial process) & List - II (Application) (a) & Haber's process & (i) & H N O_{3} synthesis (b) & Ostwald's process & (i i) & Aluminum extraction (c) & Contact process & (i i i) & N H_{3} synthesis (d) & Hall - Heroult process & (i v) & H_{2} S O_{4} synthesis \end{matrix}$

(a) - (i v), (b) - (i), (c) - (i i), (d) - (i i i)

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(a) - (i i), (b) - (i i i), (c) - (i v), (d) - (i)

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(a) - (i i i), (b) - (i v), (c) - (i), (d) - (i i)

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(a) - (i i i), (b) - (i), (c) - (i v), (d) - (i i)

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Solution

The correct option is D $(a) - (i i i), (b) - (i), (c) - (i v), (d) - (i i)$
Haber's process is used for $N H_{3}$ manufacture.
$N_{2} + 3 H_{2} ⇌ 2 N H_{3}$

Ostwald's process is used for preparation of $H N O_{3}$ by catalytic oxidation of $N H_{3}$ .
$4 N H_{3} (g) + 5 O_{2} (g) Pt/Rh gauge catalyst - ----------- \to 500 K, 9 bar 4 N O (g) + 6 H_{2} O (g) 2 N O (g) + O_{2} (g) ⇋ 2 N O_{2} (g) 3 N O_{2} (g) + H_{2} O (l) \to 2 H N O_{3} (a q) + N O (g)$

Contact process is used for preparation of $H_{2} S O_{4}$ using $V_{2} O_{5}$ catalyst.
$2 S O_{2} (g) + O_{2} (g) V_{2} O_{5} - -- \to 2 S O_{3} (g) S O_{3} + H_{2} S O_{4} (c o n c .) \to H_{2} S_{2} O_{7}$
This $H_{2} S_{2} O_{7}$ (oleum) on dilution gives $H_{2} S O_{4}$ of desired concentration.

Hall Heroult process is used for $A l$ extraction.
$2 A l_{2} O_{3} + 3 C \to 4 A l + 3 C O_{2}$

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Similar questions

- I

- I I

\begin{matrix} List - I (Name of oxo acid) & List - II (Oxidation state of P) (a) & Hypophosphorous acid & (i) & + 5 (b) & Orthophosphoric acid & (i i) & + 4 (c) & Hypophosphoric acid & (i i i) & + 3 (d) & Orthophosphorous acid & (i v) & + 2 (v) & + 1 \end{matrix}

Match the catalysts to the correct processes:

Catalyst Process

(A) TiCl₃ (i) Wacker process

(B) PdCl₂ (ii) Ziegler - Natta polymerization

(D) V₂O₅ (iv) Deacon's process

C l \to C l^{-}

C l^{-} \to C l

C l \to C l^{+}

C l^{+} \to C l^{2 +}

Of the following reduction processes :

I. $F e_{2} O_{3} + C \to F e$

II. $Z n O + C \to Z n$

III. $C a_{3} (P O_{4})_{2} + C \to P$

IV. $P b O + C \to P b$

Which of the following process / processes release heat ?
(i) condensation (ii) vaporisation (iii) freezing (iv) melting

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

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