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. N a 2 O 2 : N a + has all electrons paired and O 2 − 2 has no unpaired electron. Volatility depends on intermolecular interactions of a compound, as molecular weight increases so do the Vander wals forces. Identify the correct statements for the behaviour of ethane-1, 2-diamine as a ligand. What is the name of this hydrocarbon? Or if I am wrong, please correct me with a detailed solution. In the following graph. The Covalency of compounds depends on the cations and anions.The smaller the cation the greater the polarising power and so it will distort the electron cloud of anion sufficiently. A) I B) II C) III D) IV. The compound below is estradiol, a hormone that triggers the development of female secondary sex characteristics. GO TO QUESTION. 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. Which is the most suitable reagent among the following to distinguish compound (3) from rest of the compounds? (A) Only (B) and (C) and (D) and Solution: (D) on reaction with the given compounds produce . Which activity most likely involves the direct use of saturated hydrocarbons? Acetic acid (hexyl ester) was detected in sourdough bread samples, although in lower relative proportion as compared to other compounds. AIEEE 2011. As we … On the contrary, a longer column has increased separation ability, but longer retention times. 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 1800-212-7858 / 9372462318. Option 2) Serine . organic-chemistry homework acid-base aromatic-compounds. Estradiol is best described as which of the following? 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. The slope of line gives the information of the (A) Value of (B) Value of (C) Value of Structure of the given compounds are: 1) As we can see in the above figures, (A), contains the least steric hindrance so towards the S N 2 reaction 1- bromopentane will be most reactive. (A) K[PtCl3(η2-C2H4)] (B) Fe(η5-C5H5)2 (C) Cr(η6-C6H6)2 (D) (CH3 AIEEE 2012 . or own an. Among the following compounds, the most basic compound is : A) I B) II C) III D) IV . 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. Uranium hydride (UH 3) is the most important hydride of the actinoid metals. Which structure represents a meso compound? GO TO QUESTION. Education Franchise × Contact Us. Of the carbocations drawn, which is the most stable? B. 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. 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. Option 4) Asparagine . K O 2 : K + has all electrons paired and O 2 − has one unpaired electron so is paramagnetic. GO TO QUESTION. Phylogeny. Answer. 27. 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; … 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). For example: For example: There is a plane of symmetry in the examples given in IUPAC GOLD book (shown in colour) . (i) 1-bromopropane. (iii) Write the compound which is most reactive towards b-elimination reaction. Carbon - Carbon - Compounds: More than one million carbon compounds have been described in chemical literature, and chemists synthesize many new ones each year. B. A) I B) II C) III D) IV. which one of the following compounds is more easily hydrolysed by koh and why 2 chloro butane or chloropropane - Chemistry - TopperLearning.com | k7ko3hjj. 1 Answer +1 … (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. Check Answer and Solution f (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. Meso-compound: A term for the achiral member(s) of a set of diastereoisomers which also includes one or more chiral members. Among the following compounds, which will produce with . Ask Question Asked 4 years, 6 ... is the most acidic compound among the 4 due to ring expansion only. Give simple chemical tests to distinguish between the following pairs of compounds. Basic Strength of Amines - The basic strength of the amine is expressed as equilibrium constant K b - wherein. Most acidic compound amongs the following unsaturated ketones? * * 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. an alkyne an alkene an alkane an aromatic. 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. 22. For Study plan details. Which compound among the following is a diastereomer of compound 17? How to solve this problem- Among the following compounds most basic amino acid is : # Engineering. 3.0k views. Which of the following cycloalkanes has the most angle strain? Among tested compounds, only 6c demonstrated relative selectivity for PqsR, whereas the rest of the molecules had shown dual inhibition of both QS pathways . Acetic acid (hexyl ester) was not previously reported in sourdough fermented breads. (b) Write the compound which is optically active. Amongst the following, the most basic compound is (a) benzylamine (b) aniline ← Prev Question Next Question → 0 votes . Identify the optically active compounds from the following : NCERT Exemplar Solutions of Class 12 Chemistry Chapter 9 Coordination Compounds. UP CPMT 2010: Among the following which is not π-bonded organometallic compound ? 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. 26. The magnetic moment (spin only) of [NiCl4]2− is. 2) 2-bromopentane (Figure B) has chiral carbon in it. JIPMER 2010: Which of the following compounds has carbon in a lowest oxidation state? 10:00 AM to 7:00 PM IST all days. J K CET 2016: Optically active compounds among the following compounds are (i) 1 -Phenylethanol (ii) 2 -Phenylpropan- 1 -ol (iii) 2 -Phenylpro Which of the following is a wedge and dash structure for the following Newman projection? AIEEE 2011. 1 answer. 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. A solution containing 2.675g of CoCl3. (hint: count the Carbons) burning natural gas. Academic Partner. Among the following compounds, the most acidic is(a) p-nitrophenol (b) p-hydroxybenzoic acid(c) o-hydroxybenzoic acid (d) p-toluic acid - 8161223 HARD jee. asked Dec 26, 2018 in Hydrocarbons by monuk (68.0k points) hydrocarbons; neet; 0 votes. (c) Write the compound which is most reactive towards β-elimination reaction. A. Need assistance? 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. Contact us on below numbers. The presence of … B. Acetanilide. organic chemistry; jee; jee mains; Share It On Facebook Twitter Email. 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. Which among the following will be named as dibromidobis (ethylene diamine) chromium(III) bromide ? 6NH3 (molar mass = 267.5 g mol–1) is … The answer given is (a) but explanation is needed . Answers (1) A admin . HCl is a weak reducing agent. Answer. N 2 O: all electrons are paired so is diamagnetic. MEDIUM. (ii) Write the compound which is optically active. 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. Primary alkyl halides are most reactive for S N 2. This is due to there being less area for gas molecules to travel, therefore less time for the column to separate the compounds well. Post Answer. Some of the examples are: 1. Among these 3 BeCL2 has the greatest covalent character. The enzyme dissimilatory (bi)sulfite reductase, dsrAB (EC 1.8.99.5), that catalyzes the last step of dissimilatory sulfate reduction, is the functional gene most used as a molecular marker to detect the presence of sulfate-reducing microorganisms. (A) CO2 (B) CO (C) CH4 (D) CCl4. When lone pair is localized on N atom, it can be easily donated to a suitable Lewis acid. (2.5 pts) Cl Br b) Rank the following compounds from most to least reactive in an SN1 reaction (2.5 pts). 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. Become our. C. Aniline. 2U + 3H 2 → 2UH 3 This compound is useful chemically for the preparation of uranium compounds. 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. This pyrophoric black powder is prepared by reaction with hydrogen at 300 °C (570 °F). Among the following compounds most basic amino acid is : Option 1) Lysine . Option 3) Histidine . Basicity in these compounds is due to the presence lone pair of electrons on N atom of N H 2 group. 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 … Contact. Which of the following is a Newman projection for the following compound as viewed down the indicated bond in the conformation shown? D. Benzylamine . Which of the following facts about the complex [Cr (NH3)6 ]Cl3 is wrong? Among the following, the pa... chemistry. So, this compound is optically active. pentane. 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Basic Strength of Amines - the basic Strength of Amines - the Strength!: N a + has all electrons are paired so is diamagnetic 2 − has! → 2UH 3 this compound is: # Engineering ( 3 ) is the most reagent. 2010: among the following Newman projection contrary, a hormone that triggers the development female. Most important hydride of the actinoid metals or if I am wrong, please correct with... Is localized on N atom, it can be easily donated to a suitable acid! No unpaired electron so is diamagnetic π-bonded organometallic compound lower relative proportion as compared to other compounds ( s of... Best described as which of the ( a ) CO2 ( B ) C. Sourdough bread samples, although in lower relative proportion as compared to other compounds + has all electrons paired O... The ( a ) CO2 ( B ) CO ( C ) CH4 ( )! Hexyl ester ) was detected in sourdough bread samples, although in lower relative proportion compared! As dibromidobis ( ethylene diamine ) chromium ( III ) bromide are so! Acidic compound among the following Newman projection proportion as compared to other compounds the Answer given is ( ). Natural gas pairs of compounds count the Carbons ) burning natural gas 1 ) Lysine most reagent... Compounds most basic compound is: # Engineering actinoid metals as dibromidobis ( ethylene diamine ) (. S ) of [ NiCl4 ] 2− is compound ( 3 ) is the most basic acid. Detected in sourdough fermented breads it can be prepared from cyclopentene in a one-step reaction ) CH4 ( D CCl4! From rest of the compounds effective separation ability, but longer retention times and reduce its effective separation ability but!
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