Question 1Section A: multiple choice
In which pair does the central atom have the same hybridisation in both species, but the two species have different shapes?
JEE Main chemistry practice questions by section
Original questions for all ten sections, Section A multiple choice and Section B numerical value, each with a full worked solution.
| Section A practice | Multiple choice, worked or timed |
|---|---|
| Section B practice | Type one integer, checked at once |
| Solutions | Every step, and why each wrong option is wrong |
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Question 2Section A: multiple choice
| Element | IE₁ | IE₂ | IE₃ | IE₄ |
|---|---|---|---|---|
| P | 496 | 4562 | 6910 | 9543 |
| Q | 738 | 1451 | 7733 | 10543 |
| R | 577 | 1817 | 2745 | 11577 |
| S | 899 | 1757 | 14849 | 21007 |
The table gives the first four ionisation enthalpies of four elements P, Q, R and S. Which conclusion is correct?
Question 3Section A: multiple choice
What is the IUPAC name of [Co(NH₃)₄(H₂O)Cl]SO₄?
Question 4Section A: multiple choice
Which of the following shows the correct order of basic strength in aqueous solution?
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Are these past paper questions?
No. Every question is written for this course, and every one has a worked solution.