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WebElements Periodic Table » Lead » reactions of elements

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#000 url(../_media/elements/discharge/Pb.png) repeat-y center; background-size:contain;"> <span><a class="pure-menu-heading" href="https://winter.group.shef.ac.uk/webelements/"><img height="30" src="../_media/icons/logo_60.png" alt="WebElements logo"></a> <a class="white" href="./">Lead - <sub>82</sub>Pb</a>&nbsp;&nbsp;<audio id="myAudio_f"> <source src="../_media/elements/snds_f/Pb.mp3" type="audio/mpeg">Your user agent does not support the HTML5 Audio element. </audio> <button class="pure-button p_button" style=" display: inline;" type="button" onclick="audf_play_pause()"> 🔊&nbsp; </button> <script> function audf_play_pause() { var myAudiof = document.getElementById("myAudio_f"); if (myAudiof.paused) { myAudiof.play(); } else { myAudiof.pause(); }} </script></span> </div> </div> </div> <div id="main"> <!-- element specific content--> <div class="pure-u-1 pure-u-sm-1-1"> <div class="pure-menu pure-menu-horizontal pure-menu-scrollable"> <a href="#" class="pure-menu-link 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type="submit" name="sa" value="Search"> </div> </form> <script> </script> </div> </div> </div> <main> <div class="pure-g"> <div class="pure-u-1 pure-u-sm-1-1"> <h1 class="p">Lead - <sub><small>82</small></sub>Pb: reactions of elements</h1> <div class="pure-menu pure-menu-horizontal pure-menu-scrollable"> <ul class="pure-menu-list z_menu"> <li class="pure-menu-item p"><a href="../lead/" class="pure-menu-link">▸▸ Pb Essentials</a></li> <li class="pure-menu-item p"><a class="pure-menu-link" href="../lead/physics.html">Physical properties</a></li> <li class="pure-menu-item p"><a class="pure-menu-link" href="../lead/atoms.html">Electron shell data</a></li> <li class="pure-menu-item p"><a class="pure-menu-link" href="../lead/atom_sizes.html">Atom sizes</a></li> <li class="pure-menu-item p"><a class="pure-menu-link" href="../lead/electronegativity.html">Electronegativity</a></li> <li class="pure-menu-item p"><a class="pure-menu-link" href="../lead/isotopes.html" >Isotopes and NMR</a></li> <li class="pure-menu-item p"><a class="pure-menu-link" href="../lead/crystal_structure.html">Crystal structure</a></li> <li class="pure-menu-item p"><a class="pure-menu-link" href="../lead/thermochemistry.html">Thermochemistry</a></li> <li class="pure-menu-item p"><a class="pure-menu-link" href="../lead/history.html">History</a></li> <li class="pure-menu-item p"><a class="pure-menu-link" href="../lead/uses.html">Uses</a></li> <li class="pure-menu-item p"><a class="pure-menu-link" href="../lead/geology.html">Geology</a></li> <li class="pure-menu-item p"><a class="pure-menu-link" href="../lead/biology.html">Biology</a></li> <li class="pure-menu-item p"><a class="pure-menu-link" href="../lead/compounds.html">Binary compounds</a></li> <li class="pure-menu-item p"><a class="pure-menu-link" href="../lead/compound_properties.html" >Compound properties</a></li> <li class="pure-menu-item p"><a class="pure-menu-link" href="../lead/chemistry.html">Element reactions</a></li> <li class="pure-menu-item p"><a class="pure-menu-link" href="../lead/contents.html">List all Pb properties</a></li> </ul> </div> </div> </div> <h2 class="p">Reaction of lead with air</h2> <p class="p_first">The surface of metallic lead is protected by a thin layer of lead oxide, PbO. Only upon heating lead to 600-800&#176;C does lead react with oxygen in air to from lead oxide, PbO.</p> <p class="equation">2Pb(s) + O<sub>2</sub>(g) &rarr; 2PbO(s)</p> <p>Finely divided lead powder is pyrophoric, however, meaning it is a fire risk.</p> <h2 class="p">Reaction of lead with water</h2> <p class="p_first">The surface of metallic lead is protected by a thin layer of lead oxide, PbO. It does not react with water under normal conditions.</p> <h2 class="p">Reaction of lead with the halogens</h2> <p class="p_first">Lead metal reacts vigorously with fluorine, F<sub>2</sub>, at room temperature and chlorine, Cl<sub>2</sub>, on warming to form the poisonous dihalides lead(II) fluoride, PbF<sub>2</sub>, and lead(II) chloride, PbCl<sub>2</sub>, respectively.</p> <p class="equation">Pb(s) + F<sub>2</sub>(g) &rarr; PbF<sub>2</sub>(s) []</p> <p class="equation">Pb(s) + Cl<sub>2</sub>(g) &rarr; PbCl<sub>2</sub>(s) []</p> <h2 class="p">Reaction of lead with acids</h2> <p class="p_first">The surface of metallic lead is protected by a thin layer of lead oxide, PbO. This renders the lead essentially insoluble in sulphuric acid, and so, in the past, a useful container of this acid. Lead reacts slowly with hydrochloric acid and nitric acid, HNO<sub>3</sub>. In the latter case, nitrogen oxides are formed together with lead(II) nitrate, Pb(NO<sub>3</sub>)<sub>2</sub>.</p> <h2 class="p">Reaction of lead with bases</h2> <p class="p_first">Lead dissolves slowly in cold alkalis to form plumbites.</p> </main> <div id="footer"><!-- Footer div --> <footer> <div class="footer"> <div class="pure-g"> <div class="pure-u-1-2 pure-u-sm-1-2 pure-u-lg-1-4 pure-menu custom-restricted-width"> <ul class="pure-menu-list"> <li class="pure-menu-heading footer_h">Key properties</li> <li class="pure-menu-item"><a class="pure-menu-link" href="https://www.webelements.com/periodicity/eneg_pauling/">Electronegativity </a></li> <li class="pure-menu-item"><a class="pure-menu-link" href="https://www.webelements.com/periodicity/melting_point/">Melting point</a></li> <li class="pure-menu-item"><a class="pure-menu-link" href="https://www.webelements.com/periodicity/density/">Density </a></li> <li class="pure-menu-item"><a class="pure-menu-link" href="https://www.webelements.com/periodicity/molar_volume/">Molar volume</a></li> <li class="pure-menu-item"><a class="pure-menu-link" href="https://www.webelements.com/periodicity/ionis_energy_1/">Ionization energy (1st)</a></li> <li class="pure-menu-item"><a class="pure-menu-link" href="https://www.webelements.com/periodicity/covalent_radius/">Covalent radius</a></li> <li class="pure-menu-item"><a class="pure-menu-link" href="https://www.webelements.com/periodicity/metallic_radius/">Metallic radius</a></li> <li class="pure-menu-item"><a class="pure-menu-link" href="https://www.webelements.com/periodicity/abund_crust/">Abundance: earth's crust</a></li> </ul> </div> <div class="pure-u-1-2 pure-u-sm-1-2 pure-u-lg-1-4 pure-menu custom-restricted-width"> <ul class="pure-menu-list"> <li class="pure-menu-heading footer_h">Shop</li> <li class="pure-menu-item">Sorry, shop closed</li> </ul> </div> <div class="pure-u-1-2 pure-u-sm-1-2 pure-u-lg-1-4 pure-menu custom-restricted-width"> <ul class="pure-menu-list"> <li class="pure-menu-heading footer_h">Social</li> <li class="pure-menu-item"><a class="pure-menu-link" href="https://www.facebook.com/webelements.periodic.table">Facebook</a></li> <li class="pure-menu-item"><a class="pure-menu-link" href="https://twitter.com/periodic_table">Twitter</a></li> <li class="pure-menu-item"><a class="pure-menu-link" href="https://www.pinterest.com/periodictable/">Pinterest</a></li> </ul> </div> <div class="pure-u-1-2 pure-u-sm-1-2 pure-u-lg-1-4 pure-menu custom-restricted-width"> <ul class="pure-menu-list"> <li class="pure-menu-heading footer_h">Administration</li> <li class="pure-menu-item"><a class="pure-menu-link" href="https://www.webelements.com/nexus/your-privacy/" title="Your privacy">Privacy</a></li> <li class="pure-menu-item"><a class="pure-menu-link" href="https://www.webelements.com/nexus/about-webelements/" title="About WebElements">About</a></li> <li class="pure-menu-item"><a class="pure-menu-link" href="https://www.webelements.com/nexus/webelements-and-copyright/" title="Copyright information about WebElements">Copyright</a></li> <li class="pure-menu-item"><a class="pure-menu-link" href="https://www.webelements.com/nexus/acknowledgements/" title="Acknowledgements">Thanks...</a></li> </ul> </div> </div> </div> <address> <p> <a href="https://www.webelements.com/"><img class="logo_m" src="../_media/icons/logo_60.png" alt="WebElements home" /></a><br /> <strong>WebElements:</strong> THE periodic table on the WWW [<a href="https://www.webelements.com/">www.webelements.com</a>]<br /> <a href="https://www.webelements.com/nexus/webelements-and-copyright/">Copyright </a> 1993-2024 <a href="https://winter.group.shef.ac.uk/">Mark Winter</a> [ <a href="https://www.sheffield.ac.uk/chemistry/">The University of Sheffield </a> and WebElements Ltd, UK]. 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