Quiz Hard 3 Categories Quizzes 0 Quiz Hard 3 1 / 30 Which of the following molecule is not symmetric top? CH3CI BF3 H2O CH3C1 BCl3 2 / 30 Chlorination of benzene with excess chlorine in the presence of FeCl3 as Lewis acid gives p-dichloro benzene as a major product Chlorobenzene as a major product o-dichlorobenzene as a major product A mixture of o- and p- dicholoro benzene 3 / 30 The large increase in the rate of a reaction on rise in the temperature is due to The decrease in mean free path The lowering of activation energy The increase in the number of molecules having more than the threshold energy The increase in collision frequency 4 / 30 which of the followimng statement about molarity is not correct? cannot be fraction it cannot be more than 3 it can be obtained frrom balanced equation It may be or may not be equal to the order of the reaction 5 / 30 The value of molar extinction coefficient Frequency of absorption all these Wavelength of absorption Probability of transition 6 / 30 An element with atomic number 82 belongs to group 16 2 14 12 7 / 30 Monomer of natural rubber is 2-Methyl- 1,3-butadiene 1.3-Pentadiene 1.2-Butadiene I-3-Butadiene 8 / 30 SAN is a polymer of Acrylonitrile Vinyl chloride Styrene Both (A) and b 9 / 30 In the modern periodic table, the period indicates the value of Azimuthal quantum number Atomic number Atomic mass Principal quantum number 10 / 30 According to Henry's law, the mole fraction of a gas (x) dissolved in a solvent is related to the pressure of the gas x= k(p)1/2 x=P/k x= K/P P= k/x 11 / 30 Which of the following steps is involved in structure detormination +A1139:D1169of nn organic compound? Determination of molar mass Purification of compound Determination of structural formulae by spectroscopic and phyaiochomical methods All above steps Qualitative and quantitative analysis of Elemant present 12 / 30 Suppose that the rate law reaction is Rate = k [A] [B] and the initial concentration of A and B are equal. If C represents the concentration of both A and B at any time t, a straight line will be obtained if Log C is plotted against t 1/C is plotted against t 1/C2 is plotted against t Log C2 is plotted against t 13 / 30 The reaction of toluene with chlorine in the Pre6ence of light given m-chlorotoluene Mixture of o- and p•chlorotoluene Benzoyl chloride Benizyl chloride 14 / 30 The absorption of light by molecules undergoing photochemical reaction generally results in Heterolytic fission Fluorescence Homolytic fission Phosphorescence 15 / 30 Cationic polymerization is initiated by BuLi BF3 Both b and c NaNH2 16 / 30 which of the following is the major product when neopentyl bromide is dehydrogenated with alchohlic potash? 2-methyl 1--butane 2-methyl -1--butane 2--butane 2,3-dimethyl 1--butane 17 / 30 Which of the following is not a naturally occurring dye? Alizarin Malachite green Indigotin Indigo 18 / 30 The terpenoid present in oil of lemon grass Coral u-terpineol Geramal Nerol 19 / 30 Which of the following has highest ionization energy' Ar Si Cl Na 20 / 30 The element with the highest firs: ionization potential is oxygen Boron Carbon Nitrogen 21 / 30 Each of the following compound reacts with tirignard's reagent to form alkane except Ethyne Ethanoic Ethanol 22 / 30 Elementa in the same vertical group of the periodictable have same Number of valence elections Number of electrons Atomic number Electronic configurations 23 / 30 Which of the following statetnents is not correct? In each period the element with highest IE is a noble gas The element with highest 15 belongs to group 18 In the second period, as we move from left to right, ionization energy increases regularly In each period the element with lowest I E belongs to group 1. 24 / 30 A mixture of 0.1 mole of acetic anhydride and 0.1 mol of phenylamine was warmed gently untill no further reaction occurred and then shaken for some time with water.The volume of 1.0 M NaOH solution required to neutralize the aqueous product was 50 cm3 100 cm3 25 cm3 0 cm3 25 / 30 Which of the following expressions represent the Arrhenius equation k=A e -Ea/RT k= e -Ea/RT k=A e -Ea/T k=A e -Ea/T 26 / 30 reaction of ketones and alkenes in the presence of light to form oxetanes is known as Paterno Buchi reaction Norrish type II reaction Norrish type I reaction Diels-Alder reaction 27 / 30 Which of the following is not to characteristic of a dye? It must he highly soluble in water It must have suitable colour It must be fast to wash and light It must be able to fix to fibre 28 / 30 A chemical reaction that occurs a consequence of light absorption is called Photochemical reaction Photoreduction Fluorescence Chemiluminiscence 29 / 30 cholcogens are elements of group 14 15 13 16 30 / 30 In each period, the element with tenet electron affinity belong to group 17 group 14 group 1 group 18 Your score is Share: Quiz Dad Previous post Quiz Hard 2 October 1, 2022 Next post Quiz Hard 4 October 1, 2022 You may also like Quiz Hard 5 1 October, 2022 Quiz Hard 4 1 October, 2022 Quiz Hard 2 1 October, 2022
