Recently Active Chemistry Questions

Q2 total symmetry(plane of symmetry + axis of symmetry) present in benzene molecules is? a) 3 b) 4 c) 6 d) none ...

1`In the face centered cubic arrangement of A and B atoms where A atoms are at the corner of the unit cell and B atoms at the face centres. One of the A atom is missing from one corner in the unit cell. What is the simplest f ...

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let me be frank to all.........i am pathetic in structure based problems.........i dont know how to solve them....i dont know where to start from............ so plzzzzzz solve this and some more questions which i will post in ...

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Fro arihant 30 years solutions True /False Q photobromination of 2methyl propane gives mixtuere of 1bromo 2 methyl propane and 2 bromo methyl propane in ratio 9:1 Ans False Explaination:Ratio of 2 products is determined by th ...

do aromatic alcohals n alpha hydroxy ketones give tollen test? ...

why do electron electron enter first in 4s n then in 3d orbital while electron goes frm 4s before 3d?why??????????????? ...

WAT ARE THE POSSIBLE METHODS OF convertin HOMOGENOUS N CARBON ATOMed RING TO (N+1) CARBON ATOMed RING??? ...

A hydrogen electrode placed in a buffer solution of CH3COONa and CH3COOH in the ratios of x:y and y:x has electrode potential(oxidation) E1 volts and E2 volts respectively at 25°C. what is the pKa of acetic acid? ...

When electron in grnd state of H atom is excited with an energy greater than E2 - E1 but less than E3 - E1 electron will get excited to n=2 True or false ? ...

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1) Five isomeric para-di- substituted aromatic compounds, A to E with molecular formula C8H8O2 were given for identification. Based on the following observations give the structures of the compounds: =Both A and B form silver ...

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NaNO2+HCl Hydrolysis 1)butan-2-one --------------------> [X] ---------------> [Y] (Major) Give the structure of Y. KCN mild (i)OH 2)Ph-CHO ---------> [X] ---------> [Y] -------> [Z] (O) (ii)H+ [Z] is? 3) *Image ...

when 1-pentyne(A) is treated with 4N alc. KOH at 175 °C , it is converted slowly to an eqm mixture of 1.3% 1-pentyne(A), 95.2% 2- pentyne (B) and 3.5% 1,2- pentadiene (C). the eqm mixture was maintained at 175 °C. calculate ...

Can sum1 please tell me the ful form and function of mcpba? ...

Arrange the following compounds in increasing order of their acid strength Propan-1-ol, 2,4,6-trinitrophenol, 3-nitrophenol, 3,5-dinitrophenol, phenol, 4-methylphenol ...

At pH = pKIn+ 1 ( where KIn = dissociation constant for indicatior ) the ratio of [In-1]/[HIn] in the solution is {10/1} for this pH the % dissociation of the indicatior is 1. 91 2. 80 3. 10 4. 63 ...

Can an atom form multiple Hydrogen Bonds? ...

when 2,3dimethyl2butene is treated wid o3 in presence of HCHO in CH2CL2 medium ,an ozonide other than that expected of d starting alkene is formed .identify d unexpected ozonide ...

certain volume of hydride of nitrogen is decomposed into its constituent elements by certain spark The volume of the resulting gas mixture becomes double of the initial volume Now oxygen has been added to the resulting gas mi ...

stat 1: alkynes are more reactive than alkenes towards electrophilic addition. stat 2 : alkyne have more pi- electron density than alkene. ...

1. Which amongst the following is the strongest oxidizing agent? ClO4, BrO4, IO4 2. A student wanted to draw his school building on a glass sheet, which acid he should use? 3. Nitrogen and P give negative ions, while As, Sb a ...

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SORRY SOME PROBLEMS WITH THE DIAGRAM ...

Two solutions of equal volume, but one having pH 4 and other having pH 10, are mixed. What is the pH of the resulting solution? ...