which among the following compounds is the most reducing compound
(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. What is the name of this hydrocarbon? Which of the following facts about the complex [Cr (NH3)6 ]Cl3 is wrong? 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. * * 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. Give simple chemical tests to distinguish between the following pairs of compounds. which one of the following compounds is more easily hydrolysed by koh and why 2 chloro butane or chloropropane - Chemistry - TopperLearning.com | k7ko3hjj. 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. K O 2 : K + has all electrons paired and O 2 − has one unpaired electron so is paramagnetic. This pyrophoric black powder is prepared by reaction with hydrogen at 300 °C (570 °F). organic chemistry; jee; jee mains; Share It On Facebook Twitter Email. (ii) Write the compound which is optically active. Which activity most likely involves the direct use of saturated hydrocarbons? 1 answer. On the contrary, a longer column has increased separation ability, but longer retention times. Among the following compounds, the most basic compound is : pentane. 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. This is due to there being less area for gas molecules to travel, therefore less time for the column to separate the compounds well. AIEEE 2011. Among the following, the pa... chemistry. Volatility depends on intermolecular interactions of a compound, as molecular weight increases so do the Vander wals forces. 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. 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. In the following graph. 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). C. Aniline. Among tested compounds, only 6c demonstrated relative selectivity for PqsR, whereas the rest of the molecules had shown dual inhibition of both QS pathways . (b) Write the compound which is optically active. 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. N 2 O: all electrons are paired so is diamagnetic. Acetic acid (hexyl ester) was not previously reported in sourdough fermented breads. 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. B. D. Benzylamine . 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. 27. Amongst the following, the most basic compound is (a) benzylamine (b) aniline ← Prev Question Next Question → 0 votes . Among these 3 BeCL2 has the greatest covalent character. asked Dec 26, 2018 in Hydrocarbons by monuk (68.0k points) hydrocarbons; neet; 0 votes. MEDIUM. Among the following compounds, which will produce with . For Study plan details. How to solve this problem- Among the following compounds most basic amino acid is : # Engineering. Which structure represents a meso compound? 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 Or if I am wrong, please correct me with a detailed solution. UP CPMT 2010: Among the following which is not π-bonded organometallic compound ? (A) CO2 (B) CO (C) CH4 (D) CCl4. GO TO QUESTION. Option 4) Asparagine . 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 Post Answer. Which among the following will be named as dibromidobis (ethylene diamine) chromium(III) bromide ? B. Acetanilide. an alkyne an alkene an alkane an aromatic. Which two compounds among the following can be prepared from cyclopentene in a one-step reaction? The presence of … (A) K[PtCl3(η2-C2H4)] (B) Fe(η5-C5H5)2 (C) Cr(η6-C6H6)2 (D) (CH3 Check Answer and Solution f The slope of line gives the information of the (A) Value of (B) Value of (C) Value of Ask Question Asked 4 years, 6 ... is the most acidic compound among the 4 due to ring expansion only. Education Franchise × Contact Us. Answer. HARD jee. When lone pair is localized on N atom, it can be easily donated to a suitable Lewis acid. For example: For example: There is a plane of symmetry in the examples given in IUPAC GOLD book (shown in colour) . Primary alkyl halides are most reactive for S N 2. Option 2) Serine . 1800-212-7858 / 9372462318. N a 2 O 2 : N a + has all electrons paired and O 2 − 2 has no unpaired electron. The magnetic moment (spin only) of [NiCl4]2− is. 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; … J K CET 2016: Optically active compounds among the following compounds are (i) 1 -Phenylethanol (ii) 2 -Phenylpropan- 1 -ol (iii) 2 -Phenylpro Uranium hydride (UH 3) is the most important hydride of the actinoid metals. 3.0k views. Which of the following cycloalkanes has the most angle strain? Answer. A solution containing 2.675g of CoCl3. Become our. 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. Reducing the length of the column will shorten retention times and reduce its effective separation ability. The enzyme dissimilatory (bi)sulfite reductase, dsrAB (EC 126.96.36.199), 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. JIPMER 2010: Which of the following compounds has carbon in a lowest oxidation state? 26. 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 … GO TO QUESTION. or own an. Option 3) Histidine . Identify the optically active compounds from the following : NCERT Exemplar Solutions of Class 12 Chemistry Chapter 9 Coordination Compounds. Answers (1) A admin . Phylogeny. Which of the following is a Newman projection for the following compound as viewed down the indicated bond in the conformation shown? Of the carbocations drawn, which is the most stable? organic-chemistry homework acid-base aromatic-compounds. The answer given is (a) but explanation is needed . (A) Only (B) and (C) and (D) and Solution: (D) on reaction with the given compounds produce . Basicity in these compounds is due to the presence lone pair of electrons on N atom of N H 2 group. 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. Amongest the following the most basic compound is: A. p-nitro aniline. HCl is a weak reducing agent. B. (c) Write the compound which is most reactive towards β-elimination reaction. 2) 2-bromopentane (Figure B) has chiral carbon in it. 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. AIEEE 2011. Contact us on below numbers. Identify the correct statements for the behaviour of ethane-1, 2-diamine as a ligand. Some of the examples are: 1. Among the following compounds most basic amino acid is : Option 1) Lysine . The compound below is estradiol, a hormone that triggers the development of female secondary sex characteristics. Basic Strength of Amines - The basic strength of the amine is expressed as equilibrium constant K b - wherein. A) I B) II C) III D) IV . Which is the most suitable reagent among the following to distinguish compound (3) from rest of the compounds? A) I B) II C) III D) IV. (i) 1-bromopropane. 10:00 AM to 7:00 PM IST all days. Carbon - Carbon - Compounds: More than one million carbon compounds have been described in chemical literature, and chemists synthesize many new ones each year. 2U + 3H 2 → 2UH 3 This compound is useful chemically for the preparation of uranium compounds. 22. 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. As we … Acetic acid (hexyl ester) was detected in sourdough bread samples, although in lower relative proportion as compared to other compounds. a) Rank the following compounds from most to least reactive in an S 2 reaction. Which of the following is a wedge and dash structure for the following Newman projection? A. So, this compound is optically active. GO TO QUESTION. Estradiol is best described as which of the following? (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. Most acidic compound amongs the following unsaturated ketones? 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. Which compound among the following is a diastereomer of compound 17? 6NH3 (molar mass = 267.5 g mol–1) is … (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. AIEEE 2012 . Contact. (iii) Write the compound which is most reactive towards b-elimination reaction. (hint: count the Carbons) burning natural gas. 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. Need assistance? Meso-compound: A term for the achiral member(s) of a set of diastereoisomers which also includes one or more chiral members. A) I B) II C) III D) IV. Academic Partner.
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