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