1
IAT (IISER) 2024
MCQ (Single Correct Answer)
+4
-1
The following complex ions absorb in the ultraviolet-visible region of light. Which one of these shows violet colour?
$$ \left[\mathrm{CoCl}\left(\mathrm{NH}_3\right)_5\right]^{2+},\left[\mathrm{Co}\left(\mathrm{H}_2 \mathrm{O}\right)\left(\mathrm{NH}_3\right)_5\right]^{3+},\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right]^{3+}, \text { and }\left[\mathrm{Co}(\mathrm{CN})_6\right]^{3-} $$
2
IAT (IISER) 2024
MCQ (Single Correct Answer)
+4
-1
$$ \text { What is the relationship between the structures depicted below? } $$

3
IAT (IISER) 2024
MCQ (Single Correct Answer)
+4
-1
$$
\text { What is the correct order of acidity for the following compounds? }
$$


4
IAT (IISER) 2024
MCQ (Single Correct Answer)
+4
-1
$$ \text { What are the products } \mathrm{N} \text { and } \mathrm{Q} \text { in the following reaction sequences? } $$

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Total Questions
Biology
15
Chemistry
15
Mathematics
15
Physics
15
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