(d) Phenol. If 7x + 6y – 2z = 0; 3x + 4y + 2z = 0 and x – 2y – 6z = 0 then which option is correct, (3) Infinite non trivial solution for x = 2z, (4) Infinite non trivial solution for y = 2z, Q22. The coefficient of  in the expansion of   is ? JEE Main Question Paper 2020 with Solutions (7th Jan – Morning) – Free PDF. National Test Agency( NTA) Is conducting JEE Mains 2020 Exam in two shifts, through an online mode.                         V2 = 2.176 dm3. equilibrium constant is, (I) Na4[Fe(CN)6]               (II) [Cr(H2O)6] Cl2, (III) (NEt4)2 [CoCl4]          (IV) Na3[Fe(C2O4)3]. NTA JEE Mains 2020 Answer Key Official for 6th,7th,8th,9th January with Shift Wise Question Paper (Paper 1 and 2): The National Testing Agency (NTA) is set to publish the Official JEE Main 2020 Answer Paper 1 & Paper 2 (shift 1 and 2). Q4. Q16. Q11. Q23) In a box a mixture containing H2, O2 and CO along with charcoal is present then variation of pressure with the time will be as follows : Q24) Given complex [Co(NH3)4Cl2]. How to know your JEE Main 2017 State Code of Eligibility. 9th January 2020. (d) X=Y. AB is focal chord at parabola , where then equation ale tangent at B is. A (3,–1), B(1,3), C(2,4) are vertices of ABC if D is centroid of ABC and P is point of intersection of lines x + 3y – 1 = 0 and 3x – y + 1 = 0 then which of the following points lies on line joining D and P, Q18. Q1) The de-Broglie wavelength of an electron in 4th orbit is: Q2) The electronic configuration of bivalent Europium and trivalent cerium respectively is: Practicing JEE Main Previous Year Question Paper 2020 with Answer Keys will help aspirants to score more marks in your IIT JEE Examinations. JEE Main 2020 (6th, 7th, 8th, 9th January) Paper analysis & review. Three waves of same intensity (I0) having initial phases  rad respectively interfere at a point. If the velocity of sound in air is 340 m/s, the frequency of the horn of the toy car is close to : Statement-1 : The number of ways of distributing 10 identical balls in 4 distinct boxes such that no box is empty is, Statement-2 : The number of ways of choosing any 3 places from 9 different places is. Q9) Determine degree of hardness in term of ppm of CaCO3 of 10–3 molar MgSO4 (aq). Get JEE Main 2020 (Paper 1 & 2). candidates get a fair idea about the nature of questions asked in JEE Main exam. So, after downloading it, JEE Main 2020 aspirants can follow the steps below to calculate the estimated score in the exam. Watch Todays' jee main paper analysis (9 Jan, Shift 2 & 1). Two particles of same mass 'm' moving with velocities  and   collide in-elastically. Given : Spin only magnetic moment = 3.8 B.M. JEE Main 9th January Answer Key 2019 has been released by Resonance, Allen Kota, Career Point Coaching institutes on 9th January. Ea = 3.984 kJ/mol. Candidates looking for NTA JEE Mains 2020 Paper 1 Online CBT/ Offline OMR sheet B.E/ B.Tech should download access to latest answer keys from National Testing Agency. Our expert faculty at Aakash has created the Answer Key for JEE (Main) September 2020 paper. Download JEE Main 2020 Sept. Attempt Question Papers with Solution (Physics + Chemistry + Maths) prepared by the most experienced faculties of ALLEN Career Institute, India’s leading coaching institute. JEE Main 2020 is a computer-based test. If and are coplanar vectors and  then value of  is ? Solution:  18 sp2 hybrid orbitals are present in a molecule of benzene. Download JEE Main 2020 Question Paper (7th January – Morning) with Solutions for Physics, Chemistry and Mathematics in PDF format for free on Mathongo.com. Step 1 – First of all, make sure the answer key is downloaded / opened for the correct question paper.. What is the IUPAC name of the complex. Admission in Architecture courses in these premier institutes is through JEE Mains Paper 2. JEE Main – 2020 9th January 2020 (Evening Shift) General Instructions 1. (1) A, B, C are correct (2) A, B, C, D are correct (3) A, B are correct (4) B, C, D are correct. How to know your JEE Main 2017 State Code of Eligibility. All questions were objective type with the single correct option. However, the unofficial IIT JEE question papers to … It has been conducted on 6th January 2020. (2) IV > III > I > II (i) A & D give positive test with ninhydrin. According to the given data of I.E, This element must belong to group 1 and thus is monovalent & form The examination is conducted in two levels - JEE Main and JEE Advanced. (4) Required photochemical reaction to degrade waste. Moles of HCl and H2SO4 reacted respectively is. (A) LiCl does not dissolve in pyridine JEE Main January Paper 2 Answer Key 2020 – Official. Find the current in the circuit as a function of time? Let x + 6y = 8 is tangent to standard ellipse where the minor axis is , then eccentricity of an ellipse is, Q24. Through this article, you will get the 9th January JEE main 2020 question paper with a solution. NTA JEE Mains 2020 Answer Key 9 January Shift 1, Shift 2- National Testing Agency NTA would publish official JEE Mains 2020 Answer Key along with Question Paper solutions at website. As soon as NTA April/September JEE Main Exam gets over, many coaching institutes will be releasing the answer key for the same. January 15, 2020 January 15, 2020 Adarsh Barnwal 1 Comment on Jee Mains 2020 January Probable Bonus questions 7,8,9 january shift-1/2 NUMEROUS questions in different shifts of jee mains 2020 seems to be wrong , when it was investigated by different … First shift timings were 9:30 am to 12:30 pm and second shift timings were 2:30 pm to 5:30 pm. (4) Tetraaquadichloridochromium(IV) chloride dihydrate, From data of magnetic moment oxidation number of Cr should be +3 Free PDF downloads. After the examination, all the candidates will start looking at their NTA JEE Main Answer Key January 2020 official web portal but will not be able to find it. Select the correct statements regarding this Q21) Select the correct option :       density of H2O(l) = 1 g/ml. (4) [Xe]4f7, [Xe]4f15d16s2. As the stability increases heat of combustion decreases. The ratio of molar specific heat of A to B at constant volume is : An ideal liquid (water) flowing through a tube of non-uniform cross section area at A and B are 40 cm2 and 20 cm2 respectively. Copyright © 2021 Pathfinder Publishing Pvt Ltd. To keep connected with us please login with your personal information by phone/email and password. In this article, you will get JEE main 2020 question paper with solution (Jan 9th Second shift). Hence, n = 3 On increasing it's KE by , it's new De- Q4) Biochemical oxygen demand (BOD) is defined as _______ in ppm of O2. 8th January 2020. (1) H2SO3. (1) [Xe]4f7, [Xe]4f1 Q7) On passing a particular amount of electricity in AgNO3 solution, 108 g of Ag is deposited. to 5.30 PM). JEE Main Question Papers 2021 with Solutions-Allen, Resonance, Aakash will release the question paper of JEE Main 2021 with solutions and JEE answer key on the exam day.The official JEE Main 2021 question paper with keys National Testing Agency at jeemain.nta.nic.in. (3) Entropy is not a function of temperature & entropy change is a function of temperature. NTA JEE Mains 2020 Answer Key PCM Shift 1, Shift 2- National Testing Agency NTA would publish official JEE Mains 2020 Answer Key along with Question Paper solutions at website. Q13) Write the correct order of basicity: Basicity is inversely proportional to electronegativity. (2) The amount of oxygen required by bacteria to break down the organic matter present in a certain volume of a sample of water. If f(x) is twice differentiable and continuous function in x [a, b] also f'(x) > 0 and f ''(x) < 0 and c  [a, b] then  is greater than. Enthalpy of atomisation = x kJ/mol at 400 K. Determine activation energy in mol kJ/mol. (4) O2, O22–, Q17. Q11)  Copyright © 2021 Pathfinder Publishing Pvt Ltd. To keep connected with us please login with your personal information by phone/email and password. Aniline does not undergo Friedel craft's reactions because the reagent AlCl3 (the Lewis acid which is used as a catalyst in friedel crafts reaction), being electron deficient acts as a Lewis base. JEE Main answer key 2020 is the best source to predict score in the exam. Education News: The first shift of the third day of JEE Main entrance exam for admission to BE/BTech courses completed at 12.30 PM on January 9, 2020. (R = 8.3 J K–1mol–1) [ln(2/3) = -0.4]. The subjects for the engineering entrance tests are Mathematics, Physics and Chemistry. All questions were objective type with the single correct option. Mass of A is m and mass of B is 4m . (I) Excess of NaOH (II) Dilute HCl, then volume ratio of H2 gas evolved in (I) and (II) is Then equation of magnetic field will be -, As we know that the axis of polarisation of the Em wave is same as Electric field direction that is -, And the equation of the electromagnetic waves will be in terms of the. Practicing JEE Main Previous Year Question Paper 2020 with Answer Keys will help aspirants to score more marks in your IIT JEE Examinations. If the plane  intersects in a line (R × R × R) then  is equal to, Q16. The questions are based on Class 11 and Class 12 syllabus. As these will be provided in the PDF … JEE Main 2020 Question Paper with Solution (Jan 9th first shift), Today is the last day of the JEE main 2020 exam. A is rigid, B has an extra degree of freedom due to vibration. Q3) Number of sp2 hybrid orbitals in a molecule of benzene. Check this page for the solutions of JEE Main 2020 January Shift 2 Physics paper. Q23. JEE Main Paper 2 January exam was held on January 6, 2020. JEE Main 2020 Question Paper with Solutions, Answer key for exam on 1, 2, 3, 4, 5, 6 September 2020. JEE Mains 2020 Question Paper for January Session (Paper 1) The JEE Main question papers for BE/Btech January exam along with the official answer keys are available for download. Q10) Total number of Cr–O bonds in Chromate ion and dichromate ion is: Solution then find the area bounded by f(x) and g(x) from, Q12. The amount of oxygen required by bacteria to break down the organic matter present in a certain volume of a sample of water, is called Biochemical Oxygen Demand (BOD). JEE Main 2020 Answer Key and Question Paper PDF for September 1, 2 & 3 exam is now available. Find extension per unit length in spring (given  ), Mass m is moving with angular velocity  in a radius r, Due to elongation x spring force is given by, A loop of radius R and mass m is placed in a uniform magnetic field B with its plane perpendicular to the field. JEE Main 2020 (6th, 7th, 8th, 9th January) Paper analysis & review. rate of change of de-Broglie wavelength with time will be. Q1. at 300 K and 40 min. Candidates who will appear in the examination can check JEE Main 2020 April/September paper with solutions along with the overall analysis released by the institute. Kota’s most experiences top IIT JEE Faculty Team design a best JEE Main 2020 Paper solutions and Answer key. JEE Main 2020 Question Paper with Solution (Jan 9th Second shift), JEE Main 2020 exam - Chemistry ( 9th January Second shift), According to stoichiometry in both the reactions, equal number of moles of H, According to the given data of I.E, This element must belong to group 1 and thus is monovalent & form, JEE Main 2020 exam - Mathematics ( 9th January Second shift), JEE Main 2020 exam - Physics ( 9th January Second shift), An AC source is connected to the LC series circuit with V = 10 sin (314t). The question paper consists of 3 Parts (Part I: Physics, Part II: Chemistry, Part III: Mathematics). Hence complex is Cr(H2O)6Cl3. If ,  y(1) = 1 and y(x) = e, then x is. Candidates can check and download the question paper from the official website – jeemain.nta.nic.in.JEE Main exam will be conducted in 4 sessions, starting from February, March, April and May 2021. For the week before exam I studied only chem. If f(x) and g(x) are continuous functions, fog is identity function, g'(b) = 5 and g(b) = a then f'(a) is, A mass m attached to spring of natural length  and spring constant k. One end of string is attached to centre of disc in horizontal plane which is being rotated by constant angular speed . Find the ratio of their mean free time, (1) 1.03                 (2) 2.04                   (3) 3.04                     (4) 2.40, A particle start moving with velocity   from origin and acceleration   .when y co-ordinate of particle is 32 m. then x co-ordinate at that instant will be. The exam is being conducted in 2 Shifts (SHIFT 1: 9.30 a.m. to 12.30 p.m and SHIFT 2: 2.30 p.m. to 5.30 p.m.). ), Q20. JEE Main 2020 9th Jan shift 1 solved Physics paper consists of accurate solutions, prepared by our subject experts. https://www.collegedekho.com/articles/jee-main-january-question-papers 3. The JEE Main Exam 2019 conducted successfully. (3) Saline water used for intra venous injection. (c) Chlorobenzene There are three papers: Paper-1 (BTech ), Paper-2 (BArch), and Paper-3 (BPlanning). (2) O2, O2+ JEE Main 2020 April/September exam for BTech aspirants (Paper-1) is conducted in two shifts per day – forenoon session will be conducted from 9:00 am to 12:00 pm while the afternoon session will be held from 3:00 to 6 pm. Q5. (3) The amount of oxygen required by anaerobic bacteria to break down the inorganic matter present in a certain volume of a sample of water. Given  and  . Q17) Select the correct statements among the followings candidates get a fair idea about the nature of questions asked in JEE Main exam. All questions were objective type with the single correct option. Q22. As we all know that NTA is conducting JEE main 2020 exam, this time paper has been more balanced and providing an equal chance to all aspirants. The official JEE Main 2020 answer key, along with question papers will be released by the NTA on the official website of JEE Main 2020 in the second week of September. Find time period of oscillation. 1F charge is required to deposit 1 mole of Ag, Q8) Determine the amount of NaCl to be dissolved in 600g H2O to decrease the freezing point by 0.2°C. Planning will take place on 6 January 2020. Q5) Which of the following reaction will not form racemic mixture as product? In YDSE pattern with light of wavelength  , 15 fringes are obtained on a certain segment of, screen. Hence, double bond character in carbon-chlorine bond is maximum and bond length is shortest. (2) A – Aspartame, B – Saccharine, C – Sucralose, D – Alitame In this article, you will get JEE main 2020 question paper with solution (Jan 9th Second shift). If a circle touches y-axis at (0, 4) and passes through (2, 0) then which of the following can not be the tangent to the circle, (1) 3x + 4y – 6 = 0                (2) 3x + 4y – 24 = 0, (3) 4x – 3y – 17 = 0              (4) 4x + 3y – 6 = 0, Equation of family of circle touches at (0,4), This family of circle passes through (2,0), (1) 1.8 eV (2) 0.8 eV (3) 1.1 eV (4) 1.4 eV, and radius in terms of V can be written as :-, The kinetic energy of the particle is E and it's De-Broglie wavelength is . (2) Tetraaquadichloridochromium(III) chloride dihydrate In the given circuit both diodes are ideal having zero forward resistance and built-in potential of 0.7 V. Find the potential of point E in volts. Non-metal oxides are acidic in nature (3) II > I > III > IV Determine concentration of O2 in ppm. Q6. Complex shows geometrical isomerism therefore formula of complex is [Cr(H2O)4C2]Cl.2H2O. (D) Among alkali metals Li has highest hydration tendency. Now, mass % of nitrogen = (42/111.15) x 100 = 37.78%. (c) X

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