Tài liệu Sáng kiến kinh nghiệm: Phương pháp giải toán phản ứng cộng hiđro vào nguyên tử cacbon chứa liên kết pi của hiđrocacbon không no. Phân loại: Phổ thông > Hóa > Lớp 11. Chủ đề: Hóa, Hóa 11. Có bản xem trước trang đầu dạng HTML và PDF để tham khảo nội dung.

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.document-html-preview--word div.Section0{page:Section0;}</style><div class="document-html-preview__page document-html-preview__page--word" data-page="1">S&#193;NG KI&#7870;N KINH NGHI&#7878;M PH&#431;&#416;NG PH&#193;P GI&#7842;I TO&#193;N PH&#7842;N &#7912;NG C&#7896;NG HI&#272;RO V&#192;O NGUY&#202;N T&#7916; CACBON CH&#7912;A LI&#202;N K&#7870;T PI C&#7910;A HI&#272;ROCACBON KH&#212;NG NO<o:p></o:p>M&#7902; &#272;&#7846;U<o:p></o:p>I. L&#221; DO CH&#7884;N &#272;&#7872; T&#192;I<o:p></o:p>Trong qu&#225; tr&#236;nh d&#7841;y v&#224; h&#7885;c m&#244;n H&#243;a h&#7885;c, b&#234;n c&#7841;nh vi&#7879;c n&#7855;m v&#7919;ng l&#253; thuy&#7871;t, b&#224;i t&#7853;p h&#243;a h&#7885;c &#273;&#432;&#7907;c coi l&#224; m&#7897;t ph&#7847;n kh&#244;ng th&#7875; thi&#7871;u trong vi&#7879;c c&#7911;ng c&#7889; ki&#7871;n th&#7913;c, r&#232;n luy&#7879;n nh&#7919;ng k&#297; n&#259;ng c&#417; b&#7843;n cho h&#7885;c sinh . Th&#244;ng qua vi&#7879;c gi&#7843;i b&#224;i t&#7853;p, h&#7885;c sinh r&#232;n luy&#7879;n t&#237;nh t&#237;ch c&#7921;c, tr&#237; th&#244;ng minh, t&#7921; l&#7853;p, s&#225;ng t&#7841;o, b&#7891;i d&#432;&#7905;ng h&#7913;ng th&#250; trong h&#7885;c t&#7853;p m&#244;n H&#243;a h&#7885;c. <o:p></o:p>Vi&#7879;c l&#7921;a ch&#7885;n ph&#432;&#417;ng ph&#225;p th&#237;ch h&#7907;p &#273;&#7875; gi&#7843;i b&#224;i t&#7853;p l&#7841;i c&#224;ng c&#243; &#253; ngh&#297;a quan tr&#7885;ng h&#417;n. M&#7895;i b&#224;i t&#7853;p c&#243; th&#7875; c&#243; nhi&#7873;u ph&#432;&#417;ng ph&#225;p gi&#7843;i kh&#225;c nhau. N&#7871;u bi&#7871;t l&#7921;a ch&#7885;n ph&#432;&#417;ng ph&#225;p h&#7907;p l&#253;, s&#7869; gi&#250;p h&#7885;c sinh n&#7855;m v&#7919;ng b&#7843;n ch&#7845;t c&#7911;a c&#225;c hi&#7879;n t&#432;&#7907;ng ho&#225; h&#7885;c. <o:p></o:p>Qua hai n&#259;m gi&#7843;ng d&#7841;y t&#244;i nh&#7853;n th&#7845;y r&#7857;ng, kh&#7843; n&#259;ng gi&#7843;i to&#225;n H&#243;a h&#7885;c c&#7911;a c&#225;c em h&#7885;c sinh c&#242;n h&#7841;n ch&#7871;, &#273;&#7863;c bi&#7879;t l&#224; gi&#7843;i to&#225;n H&#243;a h&#7885;c h&#7919;u c&#417; v&#236; nh&#7919;ng ph&#7843;n &#7913;ng trong ho&#225; h&#7885;c h&#7919;u c&#417; th&#432;&#7901;ng x&#7843;y ra kh&#244;ng theo m&#7897;t h&#432;&#7899;ng nh&#7845;t &#273;&#7883;nh v&#224; kh&#244;ng ho&#224;n to&#224;n. Trong &#273;&#243; d&#7841;ng b&#224;i t&#7853;p v&#7873; ph&#7843;n &#7913;ng c&#7897;ng hi&#273;ro v&#224;o nguy&#234;n t&#7917; cacbon ch&#7913;a li&#234;n k&#7871;t pi c&#7911;a c&#225;c h&#7907;p ch&#7845;t h&#7919;u c&#417; l&#224; m&#7897;t v&#237; d&#7909;. Khi gi&#7843;i c&#225;c b&#224;i t&#7853;p d&#7841;ng n&#224;y h&#7885;c sinh th&#432;&#7901;ng g&#7863;p nh&#7919;ng kh&#243; kh&#259;n d&#7851;n &#273;&#7871;n th&#432;&#7901;ng gi&#7843;i r&#7845;t d&#224;i d&#242;ng, n&#7863;ng n&#7873; v&#7873; m&#7863;t to&#225;n h&#7885;c kh&#244;ng c&#7847;n thi&#7871;t th&#7853;m ch&#237; kh&#244;ng gi&#7843;i &#273;&#432;&#7907;c v&#236; qu&#225; nhi&#7873;u &#7849;n s&#7889;. Nguy&#234;n nh&#226;n l&#224; h&#7885;c sinh ch&#432;a t&#236;m hi&#7875;u r&#245;, ch&#432;a n&#7855;m v&#7919;ng c&#225;c &#273;&#7883;nh lu&#7853;t ho&#225; h&#7885;c v&#224; c&#225;c h&#7879; s&#7889; c&#226;n b&#7857;ng trong ph&#7843;n &#7913;ng ho&#225; h&#7885;c &#273;&#7875; &#273;&#432;a ra ph&#432;&#417;ng ph&#225;p gi&#7843;i h&#7907;p l&#253;. <o:p></o:p>Xu&#7845;t ph&#225;t t&#7915; suy ngh&#297; mu&#7889;n gi&#250;p h&#7885;c sinh kh&#244;ng g&#7863;p ph&#7843;i kh&#243; kh&#259;n v&#224; nhanh ch&#243;ng t&#236;m &#273;&#432;&#7907;c &#273;&#225;p &#225;n &#273;&#250;ng trong qu&#225; tr&#236;nh h&#7885;c t&#7853;p m&#224; d&#7841;ng to&#225;n n&#224;y &#273;&#7863;t ra. Ch&#237;nh v&#236; v&#7853;y t&#244;i ch&#7885;n &#273;&#7873; t&#224;i: <o:p></o:p></div></section>

Sáng kiến kinh nghiệm: Phương pháp giải toán phản ứng cộng hiđro vào nguyên tử cacbon chứa liên kết pi của hiđrocacbon không no

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