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Calculate ratio of r of 1st orbit of He+ and Li ++ ion.​

Answer» <html><body><p><strong>Explanation:</strong></p><p>answr</p><p>search</p><p>What would you like to ask?</p><p>11th</p><p>Chemistry</p><p>Structure of Atom</p><p>Quantum Numbers</p><p>The ratio of radii of first...</p><p>CHEMISTRY</p><p>MEDIUM</p><p>The ratio of radii of first orbits of H, He </p><p>+</p><p> and Li </p><p>2+</p><p> is:</p><p>Share</p><p>Study later</p><p>ANSWER</p><p>The radii of the first orbits of hydrogen-like ion are given by</p><p></p><p>r= </p><p>Zm </p><p>e</p><p> </p><p> k </p><p>e</p><p> </p><p> e </p><p>2</p><p> </p><p><a href="https://interviewquestions.tuteehub.com/tag/n-568463" style="font-weight:bold;" target="_blank" title="Click to know more about N">N</a> </p><p>2</p><p> </p><p> </p><p> </p><p></p><p>since everything except 2 is constant,</p><p></p><p>r= </p><p>Z</p><p>K</p><p> </p><p> (k= </p><p>m </p><p>e</p><p> </p><p> k </p><p>e</p><p> </p><p> e </p><p>2</p><p> </p><p>n </p><p>2</p><p> </p><p> </p><p> )</p><p></p><p>Then the ratio of 3 radii for n=1,2 and 3 are</p><p></p><p>r </p><p>1</p><p> </p><p> :r </p><p>2</p><p> </p><p> :r </p><p>3</p><p> </p><p> = </p><p>1</p><p>1</p><p> </p><p> : </p><p>2</p><p>1</p><p> </p><p> : </p><p>3</p><p>1</p><p> </p><p> =6:3:2</p><p></p><p>Hence, the correct option is B</p><p>Answered By</p><p></p><p>toppr</p><p></p><p>1488 Views</p><p>How satisfied are you with the answer?</p><p>This will help us to improve better</p><p>answr</p><p>Get Instant Solutions, 24x7</p><p>No Signup required</p><p>girl</p><p>More Questions by difficulty</p><p>EASY</p><p>MEDIUM</p><p>HARD</p><p>Live Test</p><p>Practice from</p><p>20+ Live Tests</p><p>and see where you stand among the best in India</p><p></p><p>Physics</p><p>Chemistry</p><p>Mathematics</p><p>Biology</p><p>Practice important Questions</p><p>IIT JEE O P Tondon &amp; A.S Singh Chemistry Chapter 2</p><p>624 Qs</p><p>Related Questions to study</p><p>State True or False.</p><p>The order of shielding effect for different orbital is s&gt;p&gt;d&gt;f.</p><p>MEDIUM</p><p>Study later</p><p>View Answer</p><p>How many degenerate orbitals does d-subshell have?</p><p>EASY</p><p>Study later</p><p>View Answer</p><p>VIEW MORE</p><p></p><p>Create custom Assignments</p><p>Customize assignments and download PDF’s</p><p>girl</p><p>Revise with Concepts</p><p>Subshells and orbitals</p><p>EXAMPLE</p><p>DEFINITIONS</p><p>FORMULAES</p><p>BROWSE BY</p><p>ClassesBoardsExams</p><p>MODULES</p><p>Online ClassesMock TestsAdaptive PracticeLive Doubts</p><p>Stay <a href="https://interviewquestions.tuteehub.com/tag/upto-1440527" style="font-weight:bold;" target="_blank" title="Click to know more about UPTO">UPTO</a> date with our <a href="https://interviewquestions.tuteehub.com/tag/newsletter-1117502" style="font-weight:bold;" target="_blank" title="Click to know more about NEWSLETTER">NEWSLETTER</a>!</p><p>Stay informed, stay ahead. Be a topper</p><p>Your <a href="https://interviewquestions.tuteehub.com/tag/email-11311" style="font-weight:bold;" target="_blank" title="Click to know more about EMAIL">EMAIL</a> address</p><p></p><p>About Us</p><p>Brand Resources</p><p>Press</p><p>Customer Stories</p><p>Jobs</p><p>Educators</p><p>Fellowship</p><p>Learning Planet</p><p>Guides</p><p>Ask</p><p>Blog</p><p>Bytes</p><p>News</p><p>Terms of Service</p><p>Privacy Policy</p><p>Contact Us</p><p>FAQs</p><p>Google Play</p><p>App Store</p><p>IN</p><p>India</p></body></html>


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