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Page No 172: - Chapter 7 - P - Block Elements - Intext Solutions - Ncert Solutions class 12 - Chemistry

Updated On 11-02-2025 By Lithanya


Question 7.4:

Mention the conditions required to maximise the yield of ammonia.

Answer:

Ammonia is prepared using the Haber’s process. The yield of ammonia can be maximized under the following conditions:

(i) High pressure (∼ 200 atm)

(ii) A temperature of ∼700 K

(iii) Use of a catalyst such as iron oxide mixed with small amounts of K2O and Al2O3

Question 7.5:

How does ammonia react with a solution of Cu2+?

Answer:

NH3 acts as a Lewis base. It donates its electron pair and forms a linkage with metal ion.

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