

InterviewSolution
Saved Bookmarks
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your Class 11 knowledge and support exam preparation. Choose a topic below to get started.
1. |
If `y=(sinx)/(x+cosx)`, then find `(dy)/(dx)`. |
Answer» Here, `u(x)=sinx`, `v(x)=x+cosx`.<br> `(dy)/(dx)=((x+cosx)(d(sinx))/(dx)-sinx(d(x+cosx))/(dx))/((x+cosx)^2)`<br> `=((x+cosx)cos-sinx(1-sinx))/((x+cosx)^2)`<br> `=(xcosx+cos^2x-sinx+sin^2x)/((x+cosx)^2)`<br> `=(xcosx-sinx+sin^2x+cos^2x)/((x+cosx)^2)`<br> `=(xcosx-sinx+1)/((x+cosx)^2)` | |
2. |
Compare SN1 and SN2 reaction mechanism |
Answer» <table><tbody><tr><td><strong><span>SN1</span></strong></td><td><strong><span>SN2</span></strong></td></tr><tr><td><span>The rate of reaction is unimolecular.</span></td><td><span>The rate of reaction is bimolecular</span></td></tr><tr><td><span>It is a two-step mechanism</span></td><td><span>It is only a one-step mechanism</span></td></tr><tr><td><span>Carbocation is formed as an intermediate part of the reaction.</span></td><td><span>No carbocation is formed during the reaction.</span></td></tr><tr><td><span>There is no partial bond formed with the carbon during this reaction.</span></td><td><span>Carbon forms a partial bond with the nucleophile and the leaving group.</span></td></tr></tbody></table><p></p> | |