Preparation u Alcohols when heated in presence of H2SO4‚ H3PO4‚ P2O5‚ Al2O3 or BF3 undergo loss of water molecule with the formation of alkene. Conc. H2SO4 180oC H3PO4/P2O5 200oC Al2O3/BF3 350oC CH3-CH=CH2 + H2O CH3-CH2-CH2-OH CH3-CH=CH2 + H2O CH3-CH=CH2 + H2O u u Mechanism: In the first step OH group of the alcohol is protonated in a fast reversible reaction. Unlike OH group‚ protonated OH group is a good leaving group. Step 1: CH3 CH3-C-CH3 + H+ HO CH3 CH3-C-CH3 H2O+
Premium Alcohol Alkene
Name: Keziah V. Cuyom Section: 9 - Malaya Topic: Types of Chemical Reaction A chemical reaction is a process that is usually characterized by a chemical change in which the starting materials (reactants) are different from the products. Chemical reactions tend to involve the motion of electrons‚ leading to the formation and breaking of chemical bonds. There are several different types of chemical reactions and more than one way of classifying them. Here are some common reaction types. However‚ if
Premium Chemical reaction Hydrogen Chemistry
Tro’s Chemistry Chapter 13 – Chemical Kinetics Page 1 of 13 Acknowledgements: Many of the images are adopted from Tro’s textbook‚ the only purpose of which is to enhance student learning. Key terms‚ concepts‚ skills: Refer to pp 599 – 601. Review questions: 3 – 24. Suggested problems: 25‚ 27‚ 33‚ 39‚ 43‚ 53‚ 57‚ 59‚ 69‚ 73‚ 75‚ 81‚ 93‚ 103. 13.1 & 2 Introduction to the Rate of a Chemical Reaction • kinetics is the study of the factors that affect the speed of a reaction and the mechanism by
Premium Chemical kinetics Rate equation Chemical reaction
www.hbr.org H B R CAS E ST U D Y AND COMMENTARY Should Maher give his star performer star rewards—or risk her leaving? Six commentators offer expert advice. Growing Pains by Robert D. Nicoson • Reprint 96408 Waterway’s CEO is rethinking his compensation policies. Maybe he should be rethinking his business strategy. H B R CAS E ST U D Y Growing Pains by Robert D. Nicoson COPYRIGHT © 1996 HARVARD BUSINESS SCHOOL PUBLISHING CORPORATION. ALL RIGHTS RESERVED. “I’m challenged and motivated
Premium Marketing Marketing plan Harvard Business School
The Strategy and Value of a New Venture: The Case of Portlandia Ale a supplement to “Uncertainty: The New Rules for Strategy” Journal of Business Strategy May/June 1999 Glaze Creek Partners Page 1 May‚ 1999 Note: This example is taken from Chapter 10 of Real Options: Managing Strategic Investment in an Uncertain World (HBS Press‚ 1999) by Martha Amram and Nalin Kulatilaka Glaze Creek Partners Page 2 May‚ 1999 A Step-by-Step Example PORTLANDIA ALE: ❒ Two brewmasters and a dream ❒ Their business
Premium 1970 1969
For exclusive use University of New South Wales‚ 2015 www.hbr.org BEST OF HBR 1998 Too often‚ companies try to impose Western models of commerce on developing countries. They’d do better— and learn more—if they tailored their operations to the unique conditions of emerging markets. The End of Corporate Imperialism by C.K. Prahalad and Kenneth Lieberthal • Included with this full-text Harvard Business Review article: 1 Article Summary The Idea in Brief—the core idea The Idea in Practice—putting
Premium Multinational corporation Developing country Corporation
Days in Inventory are managed strategically. Even though Dell did not have a tight control on quality‚ they were able to easily remove defective motherboards from their supply chain. This was due to lower days in inventory metric. According to the HBR article‚ “.Inventory can actually be a pretty massive risk‚ because if the cost of materials goes down 50% a year and you have two or three months of inventory versus 11 days‚ you’ve got a big cost disadvantage. And you’re vulnerable to product transitions
Premium Personal computer Management Customer service
HBR Case Review: Can You Say What Your Strategy Is? David J. Collins & Michael G. Rukstad Issue: * Executives cannot articulate the objective‚ scope and advantage of their business in a simple (35 word) statement. Supported By: * Leaders assume that strategic planning process will be communicated succinctly and ensures success. Proposed Solution: * Leaders must draft a simple‚ clear‚ succinct strategy statement that everyone can internalize and use as a guiding light
Premium Strategic planning Strategic management Customer
Practice—putting the idea to work 2 Leading Change: Why Transformation Efforts Fail 10 Further Reading A list of related materials‚ with annotations to guide further exploration of the article’s ideas and applications Reprint R0701J BEST OF HBR Leading Change Why Transformation Efforts Fail The Idea in Brief The Idea in Practice Most major change initiatives—whether intended to boost quality‚ improve culture‚ or reverse a corporate death spiral—generate only lukewarm results
Premium Harvard Business School Management Transformation
rP os t www.hbr.org H B R CAS E ST U D Y Four commentators offer expert advice. COMMENTARY Stick to the Core—or Go for More? op yo Should Advaark stick to its core competence? AND by Thomas J. Waite Do No tC • Reprint R0202A This document is authorized for educator review use only by Mehwish Zafar Ahmed‚ at Iqra University until September 2015. Copying or posting is an infringement of copyright. Permissions@hbsp.harvard.edu or 617.783.7860 H B R CAS E ST U D Y rP os t Advaark achieved
Premium Strategic management Harvard Business School Business school