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An online system named ePathshala, a joint initiative of NCERT and Ministry of Education, has been developed for broadcasting educational e-schooling resources including textbooks, audio, video, publications, and a variety of other print and non-print elements, [18] ensuring their free access through mobile phones and tablets (as EPUB) and from ...
Well-known examples include the Grignard reaction, the Sabatier reaction, the Wittig reaction, the Claisen condensation, the Friedel–Crafts acylation, and the Diels–Alder reaction. Books have been published devoted exclusively to name reactions; [2] [3] [4] the Merck Index, a chemical encyclopedia, also includes an appendix on name reactions.
Akabori amino-acid reaction; Albright–Goldman oxidation; Alder ene reaction; Aldol–Tishchenko reaction; Algar–Flynn–Oyamada reaction; Allan–Robinson reaction; Allen–Millar–Trippett rearrangement; Amadori rearrangement; Andrussow process; Angeli–Rimini reaction; Appel reaction; Arens–van Dorp synthesis; Arndt–Eistert reaction ...
The poem Sabse Khatarnak by the Hindi poet Pash was included in the NCERT textbook for 11th standard Hindi students in 2006. In 2017, the BJP government affiliated RSS tried to remove it but failed. [25] [26] The NCERT made two controversial changes to the class XII political science textbook ‘Politics in India Since Independence’ in 2017.
A very old named reaction is the Claisen rearrangement (1912) and a recent named reaction is the Bingel reaction (1993). When the named reaction is difficult to pronounce or very long as in the Corey–House–Posner–Whitesides reaction it helps to use the abbreviation as in the CBS reduction. The number of reactions hinting at the actual ...
Hinglish is the macaronic hybrid use of English and Hindi. [1] [2] [3] [4] [5] Its name is a portmanteau of the words Hindi and English. [6]In the context of spoken ...
To remove all doubt, however, Macaulay produced and circulated a Minute on the subject. Macaulay argued that support for the publication of books in Sanskrit and Arabic should be withdrawn, support for traditional education should be reduced to funding for the Madrassa at Delhi and the Hindu College at Benares, but students should no longer be paid to study at these establishments. [6]
This reaction involves the preparation of aldehydes (R-CHO) from nitriles (R-CN) using tin(II) chloride (SnCl 2), hydrochloric acid (HCl) and quenching the resulting iminium salt ([R-CH=NH 2] + Cl −) with water (H 2 O). [1] [2] During the synthesis, ammonium chloride is also produced. It is a type of nucleophilic addition reaction. Stephen ...