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S-Block Elements Test Online MCQs

Test Name S-Block Elements Test
Subject Chemistry
Test Type MCQs
Total Question 15
Total Marks 30
Total Time 15 Mints
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S-Block Elements Test being pasted over here for the preparation of all the tests such as admission tests, entrance tests, mock questions with answers available here.

S-Block Elements Test Online MCQs


1. The laughing gas is:


Question 1 of 15

2. Sulphur reacts with chlorine in 1 : 2 ratio and forms X. Hydrolysis of X gives a sulphur compound Y. What is the structure and hybridisation of anion of Y?


Question 2 of 15

3. The paramagnetic species is:


Question 3 of 15

4. An element (X) forms compounds of the formula XCI₃, X₂O₅ and Ca₃X₂, but does not form XCl₅. which of the following is the element


Question 4 of 15

5. The ion or group detected by K₂[HgI₄] is:


Question 5 of 15

6. The statement true for N₃⁻ is:


Question 6 of 15

7. Which gas cannot be collected over water?


Question 7 of 15

8. The tribasic acid is:


Question 8 of 15

9. The element which is the most abundant in the earth crust is


Question 9 of 15

10. In the nitrogen family the H – M – H bond angle in the hydrides MH₃ gradually becomes closer to 90° on going from N to Sb. This shows that gradually –


Question 10 of 15

11. The incorrect statement among the following is:


Question 11 of 15

12. Which of the following oxides is most acidic?


Question 12 of 15

13. The mixture of concentrated HCI and HNO₃ made in 3 : 1 ratio contains:


Question 13 of 15

14. Which of the following compound is a tribasic acid?


Question 14 of 15

15. Perdisulphuric acid has the following bond


Question 15 of 15


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