Which of the following facts about the complex [Cr (NH3)6 ]Cl3 is wrong? Ask Question Asked 4 years, 6 ... is the most acidic compound among the 4 due to ring expansion only. asked Mar 17, 2019 in Chemistry by Daisha (70.5k points) Amongst the following, the most basic compound is (a) benzylamine (b) aniline (c) acetanilide (d) p-nitroaniline. Which of the following cycloalkanes has the most angle strain? 22. Answers (1) A admin . This pyrophoric black powder is prepared by reaction with hydrogen at 300 °C (570 °F). (A) K[PtCl3(η2-C2H4)] (B) Fe(η5-C5H5)2 (C) Cr(η6-C6H6)2 (D) (CH3 What is the name of this hydrocarbon? AIEEE 2011. Phylogeny. K O 2 : K + has all electrons paired and O 2 − has one unpaired electron so is paramagnetic. organic chemistry; jee; jee mains; Share It On Facebook Twitter Email. Most acidic compound amongs the following unsaturated ketones? AIEEE 2011. UP CPMT 2010: Among the following which is not π-bonded organometallic compound ? Option 2) Serine . Which is the most suitable reagent among the following to distinguish compound (3) from rest of the compounds? When lone pair is localized on N atom, it can be easily donated to a suitable Lewis acid. The decreasing thermal thermal stability of the hydrogen halides from HF to HI indicates that the reducing character increases down the group as : HF < HCl < HBr < HI Thus, HF is not a reducing agent at all. Contact us on below numbers. (i) [Co(en)3]3+ (ii) trans– [Co(en)2 Cl2]+ (iii) cis– [Co(en)2 Cl2]+ (iv) [Cr (NH3)5Cl] Solution: Option (i) and (iii) are the answers. Basicity in these compounds is due to the presence lone pair of electrons on N atom of N H 2 group. Acetic acid (hexyl ester) was not previously reported in sourdough fermented breads. GO TO QUESTION. PqsR ligands 2 – 4 that were identified using the target-based approach demonstrated no selectivity for PqsR over LasR, possibly due to the similarity of binding pockets of both of these proteins. 1 answer. (iii) Write the compound which is most reactive towards b-elimination reaction. J K CET 2016: Optically active compounds among the following compounds are (i) 1 -Phenylethanol (ii) 2 -Phenylpropan- 1 -ol (iii) 2 -Phenylpro Reducing the length of the column will shorten retention times and reduce its effective separation ability. (i) Propanal and Propanone (ii) Acetophenone and Benzophenone (iii) Phenol and Benzoic acid (iv) Benzoic acid and Ethyl benzoate (v) Pentan-2-one and Pentan-3-one (vi) Benzaldehyde and Acetophenone (vii) Ethanal and Propanal. This is due to there being less area for gas molecules to travel, therefore less time for the column to separate the compounds well. B. How to solve this problem- Among the following compounds most basic amino acid is : # Engineering. AIEEE 2012 . Among the following, the paramagnetic compound is: A. N a 2 O 2 B. N 2 O. C. K O 2 D. None of these. 1 Answer +1 … Among the following compounds most basic amino acid is : Option 1) Lysine . 27. The slope of line gives the information of the (A) Value of (B) Value of (C) Value of Give simple chemical tests to distinguish between the following pairs of compounds. The State of Minnesota’s Department of Health classifies volatile organic compounds as the following; “Volatile organic compounds (VOCs) are a large group of chemicals that are present in many products that are used to construct and maintain a home. * * In addition to the above answers i would like to point out few thumb rules to determine the order of electrophilic substitution in the nucleus in the presence of different activators and deactivators. JIPMER 2010: Which of the following compounds has carbon in a lowest oxidation state? Hydride - Hydride - Covalent hydrides: Covalent hydrides are primarily compounds of hydrogen and nonmetals, in which the bonds are evidently electron pairs shared by atoms of comparable electronegativities. Which compound among the following is a diastereomer of compound 17? The correct option is: (d) I > III > II > IV Explanation: The conjugate acid formed by addition of a proton to I is stabilised by two equivalent resonance structures and hence, compound I is the most basic. On the contrary, a longer column has increased separation ability, but longer retention times. (i) 1-bromopropane. 2) 2-bromopentane (Figure B) has chiral carbon in it. HARD jee. The following compounds are given to you: 2-Bromopentane, 2-Bromo-2-methylbutane, 1-Bromopentane (a) Write the compound which is most reactive towards S N 2 reaction. 3.0k views. Or if I am wrong, please correct me with a detailed solution. A. pentane. Option 4) Asparagine . Primary alkyl halides are most reactive for S N 2. which one of the following compounds is more easily hydrolysed by koh and why 2 chloro butane or chloropropane - Chemistry - TopperLearning.com | k7ko3hjj. Need assistance? (A) Only (B) and (C) and (D) and Solution: (D) on reaction with the given compounds produce . B. (2.5 pts) Cl Br b) Rank the following compounds from most to least reactive in an SN1 reaction (2.5 pts). a) Rank the following compounds from most to least reactive in an S 2 reaction. Identify the correct statements for the behaviour of ethane-1, 2-diamine as a ligand. Among the alcohols, ethanol, which is considered as the key compound produced by yeasts and LAB, proved to be the most dominant in all samples. Which of the following is a wedge and dash structure for the following Newman projection? Meso-compound: A term for the achiral member(s) of a set of diastereoisomers which also includes one or more chiral members. 26. A) I B) II C) III D) IV. asked Dec 26, 2018 in Hydrocarbons by monuk (68.0k points) hydrocarbons; neet; 0 votes. C. Aniline. (ii) Write the compound which is optically active. (b) Write the compound which is optically active. Estradiol is best described as which of the following? Check Answer and Solution f Which activity most likely involves the direct use of saturated hydrocarbons? Education Franchise × Contact Us. Which two compounds among the following can be prepared from cyclopentene in a one-step reaction? Amongest the following the most basic compound is: A. p-nitro aniline. GO TO QUESTION. For example, most nonmetal hydrides are volatile compounds, held together in the condensed state by relatively weak van der Waals intermolecular interactions (see chemical bonding). Contact. AIIMS 2004: Among the following the aromatic compound is (A) Image A (B) Image B (C) Image C (D) Image D. Check Answer and Solution for above question Become our. Basic Strength of Amines - The basic strength of the amine is expressed as equilibrium constant K b - wherein. Much of the diversity and complexity of organic forms is due to the capacity of carbon atoms for bonding with one another in various chain and ring structures and three-dimensional conformations as well as for linking with other … The compound below is estradiol, a hormone that triggers the development of female secondary sex characteristics. Following compounds are given to you : 2-Bromopentane, 2-Bromo-2-methylbutane, 1-Bromopentane (i) Write the compound which is most reactive towards SN2 reaction. The magnetic moment (spin only) of [NiCl4]2− is. Identify the optically active compounds from the following : NCERT Exemplar Solutions of Class 12 Chemistry Chapter 9 Coordination Compounds. Further 2 ° amines (III) are more basic than 1 ° amines (II) while amides (IV) are least basic due to delocalisation of lone pair of electrons of N over the CO group. Option 3) Histidine . N 2 O: all electrons are paired so is diamagnetic. Among the given compounds, benzyl amine is most basic due to localized lone pair of electron on nitrogen atom while other compounds have delocalized lone pair of electron. an alkyne an alkene an alkane an aromatic. Uranium hydride (UH 3) is the most important hydride of the actinoid metals. If an element is in its intermediate oxidation state in a compound, the compound can function both as an oxidising agent as well as reducing agent. For Study plan details. The answer given is (a) but explanation is needed . or own an. 6NH3 (molar mass = 267.5 g mol–1) is … Volatility depends on intermolecular interactions of a compound, as molecular weight increases so do the Vander wals forces. Post Answer. Some of the examples are: 1. 10:00 AM to 7:00 PM IST all days. The presence of … Write IUPAC names of the products obtained by the ozonolysis of the following compounds : asked Jun 7, 2018 in Chemistry by rubby (51.6k points) hydrocarbons; … HCl is a weak reducing agent. Acetic acid (hexyl ester) was detected in sourdough bread samples, although in lower relative proportion as compared to other compounds. 1800-212-7858 / 9372462318. Answer. MEDIUM. organic-chemistry homework acid-base aromatic-compounds. (c) Write the compound which is most reactive towards β-elimination reaction. Among the following compounds, the most acidic is(a) p-nitrophenol (b) p-hydroxybenzoic acid(c) o-hydroxybenzoic acid (d) p-toluic acid - 8161223 Of the carbocations drawn, which is the most stable? A) I B) II C) III D) IV . In the following graph. Which among the following will be named as dibromidobis (ethylene diamine) chromium(III) bromide ? A solution containing 2.675g of CoCl3. Answer. Among tested compounds, only 6c demonstrated relative selectivity for PqsR, whereas the rest of the molecules had shown dual inhibition of both QS pathways . As we … Among the following compounds, which will produce with . 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Bond in the conformation shown hydrocarbons by monuk ( 68.0k points ) hydrocarbons ; neet ; votes! Simple chemical tests to distinguish between the following compounds most basic amino acid is: 1... Jee ; jee ; jee ; jee ; jee ; jee ; jee mains ; Share on... Towards β-elimination reaction meso-compound: a term for the behaviour of ethane-1, 2-diamine a!, please correct me with a detailed solution of … which among the following of. Ring expansion only a wedge and dash structure for the following which is most reactive towards b-elimination.. The correct statements for the following to distinguish between the following is a Newman projection 26 2018. Although in lower relative proportion as compared to other compounds by reaction with hydrogen 300!: all electrons paired and O 2 − has one unpaired electron so is paramagnetic mains ; Share it Facebook! 3 BeCL2 has the greatest covalent character will be named as dibromidobis ( ethylene diamine ) (! 2 ) 2-bromopentane ( Figure B ) Write the compound which is most reactive towards β-elimination reaction chemistry jee! In hydrocarbons by monuk ( 68.0k points ) hydrocarbons ; neet ; 0 votes it on Facebook Twitter Email compounds... Diamine ) chromium ( III ) Write the compound which is optically which among the following compounds is the most reducing compound organometallic compound compound! ( 68.0k points ) hydrocarbons ; neet ; 0 votes monuk ( 68.0k points ) hydrocarbons ; neet 0...
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