Match the catalyst with the process:

| Catalyst | Process |
| :--- | :--- |
| (i) $V_2O_5$ | (a) The oxidatio

Question

Match the catalyst with the process:

Which of the following is the correct matching of Catalyst & Process?

Accepted Answer

The correct matches based on NCERT  are:

1.  **$V_2O_5$ (Vanadium(V) oxide):** Used in the **Contact Process** for the oxidation of $SO_2$ to $SO_3$ in the manufacture of sulphuric acid ($H_2SO_4$). Matches **(c)**.
2.  **$TiCl_4 + Al(CH_3)_3$ (Ziegler-Natta catalyst):** Used for the **polymerisation of ethylene** to manufacture polyethylene (polythene). Matches **(d)**.
3.  **$PdCl_2$ (Palladium(II) chloride):** Used in the **Wacker process** for the oxidation of ethylene (ethene) to ethanal (acetaldehyde). Matches **(a)**.
4.  **Nickel complexes:** Useful in the **polymerisation of alkynes** and other organic compounds like benzene. Matches **(b)**.

Therefore, the correct sequence is (i)-(c), (ii)-(d), (iii)-(a), (iv)-(b).

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