Q46.Assertion: For the extraction of iron, haematite ore is used. Reason: Haematite is a carbonate ore of iron. (1) Only the assertion is correct. (2) Only the reason is correct. (3) Both the assertion and reason are correct and the (4) Both the assertion and reason are correct, but the reason is the correct explanation for the assertion. reason is not the correct explanation for the assertion.
What This Question Tests
This question requires evaluating the correctness of both the assertion about iron extraction using haematite and the reason about haematite being a carbonate ore.
Concepts Tested
๐ NCERT Sections This Tests
4.11 โ Explain Giving Reasons:
Chemistry Class 11 ยท Chapter 4
4.11 Explain giving reasons: (i) Transition metals and many of their compounds show paramagnetic behaviour. (ii) The enthalpies of atomisation of the transition metals are high. (iii) The transition metals generally form coloured compounds. (iv) Transition metals and their many compounds act as good catalyst.
4.14 โ Describe The Preparation Of Potassium Dichromate From Iron Chromite Ore.
Chemistry Class 11 ยท Chapter 4
4.14 Describe the preparation of potassium dichromate from iron chromite ore. What is the effect of increasing pH on a solution of potassium dichromate?
4.13 โ How Is The Variability In Oxidation States Of Transition Metals Different From
Chemistry Class 11 ยท Chapter 4
4.13 How is the variability in oxidation states of transition metals different from that of the non transition metals? Illustrate with examples.
๐ Question Details
- Chapter
- Metallurgy
- Topic
- Extraction of Iron
- Year
- 2019
- Shift
- 09 Apr Shift 2
- Q Number
- Q46
- Type
- Assertion Reasoning
- NCERT Ref
- Class 12 Chemistry Ch 6: General Principles and Processes of Isolation of Elements
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