witches he believes them when they say‚ all hail‚ Macbeth‚ that shalt be king hereafter(act1 sn2 line 50) . He is so gullible to what these witches said that he killed his best friend Banquo and nearly kills Banquo’s son. Macbeth also was convinced by his wife to kill Duncan. Macbeth conscious becomes guilty after he kills Duncan when he said‚ will all great neptunes ocean wash this blood clean from my hand?(act2 sn2 lines 79-80). He is thinking that nothing can take back the murders he had committed.
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by : Directorate of Education‚ Delhi SOME IMPORTANT REASONING BASED QUESTIONS OF ORGANIC CHEMISTRY 1. Chlorobenzene is less reactive than chloromethane. Ans. In chlorobenzene‚ each carbon atom of benzenering is sp2 hyridised and is electron withdrawing. Chlorine atom donates a lone pair of electron and acquire positive charge. The negative charge is delocalised on ortho and para position by resonance. C-Cl bond acquires partial double bond character and is 169 pm as compared to 17.0 pm in chloromethane
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- + + + R’X R O R’ + NaX Ar O Na + RX Ar O R + NaX Involves a nucleophilic substitution reaction. Halide ion is displaced by the alkoxide or phenoxide ion. Gives best results when 1o alkyl halides are used. Mechanism is SN2. Alkoxides may be prepared by reacting an alcohol with NaH or by reacting an alcohol with Na metal. Phenoxides may be prepared by reaction of phenols with NaOH ROH + NaH ROH + Na ArOH + NaOH RO Na - - + + H2 RO Na +
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Reminder: These notes are meant to supplement‚ not replace‚ the laboratory manual. A Diels-Alder Reaction History and Application: The 1950 Nobel prize in chemistry was awarded to Otto Paul Hermann Diels and Kurt Alder for their breakthrough work on the discovery and development of [4 + 2] cycloaddition reactions i. This set of reactions are enormously useful in the synthesis of six membered rings in a single stepii. These are used in many pharmaceutical applications. Tamiflu® is a drug which
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Faculty of Science Undergraduate Modular Scheme Session 2010/2011 Semester 1 Level 3 ------------------------------------------------- MODULE: SM0260: Chemistry for Life Sciences ------------------------------------------------- ------------------------------------------------- DATE: 17 January 2011 ------------------------------------------------- ------------------------------------------------- TIME: 14.00 – 16.00 Instructions to Candidates This paper contains
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| 429 K | 242.4 K | Clear | Benzyl chloride | 126.58 g/mol | 1.1 g/mol | 452.15 K | 234.14 K | Clear | 1-chloroadamantene | 170.68 g/mol | | | | Clear | 1-iodobutane | 184.02 g/mol | 1.617 g/ml | 400-406 K | 169.65 K | Clear | Results: SN2 Reaction: Substrate | Reactivity Time | Reactivity | Explanation | 1-bromobutane | <1 min | reactive | Observed as reactive at about 1 min of shaking. The color changed from clear to light yellow. | 1-chlorobutane | >15 min | not reactive
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kicking ball force Fj jumping force AVB Ball velocity from A to B e1‚e2‚e3 Unit vectors Φ1‚ Φ2‚ Φ3 Angular velocities of ball β1‚ β2 Angle of legs Ө Angle of Player Foot in e3 & e2 plane Ө1 Angle of Player Foot in e3 & e1 plane H Height of ball during bicycle ball m Weight of player ma
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{Fn ‚ n for which ∞ Fi = ∞ Ei . i=1 i=1 1}‚ of mutually exclusive events Problem 5 1 Let E1 and E2 be two events and P (E1 ) = 4 . Evaluate P (E2 )‚ if c (a) E2 = E1 (b) E1 and E2 are mutually exclusive and P (E1 ∪ E2 ) = 1 2 (c) E1 and E2 are both mutually exclusive and independent (d) E1 and E2 are independent and P (E1 ∪ E2 ) = (e) P (E1 |E2 ) = 1 2 and P (E2 |E1 ) = 1 2 3 4 Problem 6 (Optional) Matlab Experiment: Relative Frequency (a) Write a Matlab
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Suddenly they notice that there was a poop.) E1 (shouted): Why there is a poop here! That looks so disgusting! Stranger: You do not know that? It is because a dog emptied his bower here! You should go home do your homework. E1: I don’t know? Do you know who am I? I am the most intelligent economist in the world! E2: Really? You? I think I am the most intelligent! E1: You know what. I bet you will not eat this poop! E2: Oh‚ really? What if I eat? E1: If you eat this poop‚ I will give you 5000
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Awnless: Table 1.0: Chi-square calculation of phenotype I (awn-awnless) and genotype (RM106) correlation. Genotype Phenotype Row total (p) Awn Awnless Observed number (O1) Expected number (E1) Chi square‚X2 (O1-E1)2 / E1 Observed number (O2) Expected number (E2) Chi square‚X2 (O2-E2)2 / E2 RM106_a 0 0.58 0.58 1 0.42 0.80 1 RM106_b 2 3.50 0.64 4 2.50 0.90 6 RM106_c 6 3.50 1.79 0 2.50 2.50 6 RM106_d 3 2.33 0.19 1 1.67 0.27 4 RM106_e 3 4.08 0.29 4
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