Test-3/AS,CB&P.P/Set-1 Mittal Sir III-A/172 , Nehru Nagar Ghaziabad. Ph : 9811212090, 9868502091. email : bmcchemistry@gmail.com, website : www.bmcchemistry.com CODE Type : JEE MAIN 2015-16 TEST-3/Class 11th/Set-1 1 Topic : Atomic Structure, Chemical Bonding, Periodic Properties Date : 16th AUG 2015 Time : 50 minutes Max Marks : 120 “Climbing to the top demands strength, whether it is to the top of Mount Everest or to the top of your career” INSTRUCTIONS General Instructions 1. Ensure matching of OMR sheet code with the Question paper Code before you start marking your answers on OMR sheet 2. On the answer sheet, darken the appropriate bubble with Blue/Black Pen only. Use of pencil and any other ink strictly prohibited. 3. Any kind of cutting, rubbing or use of whitener not allowed on answer sheet. Roll No. Name of the student Single Correct Answer Type (+4/-1) This section contains 30 questions each question has 4 choices (a), (b), (c) and (d) for its answer, out of which ONLY ONE is correct. 1. If ionisation enthalpy of sodium is 500 kJ/mol, Enthalpy of sublimation of sodium is 900 kJ/mol than H of the process is – Na(s) Na+(g) + e– (a) 400 kJ (b) 1400 kJ (c) 500 kJ (d) –100 kJ 2. Ionisation enthalpy of Li, Na, He and N will follow the order (a) Li < Na < N < He (b) Na < Li < N < He (c) Na < N < Li < He (d) Na < He < Li < He 3. The de Broglie wavelength of a particle of mass 1 gm was found to be 6.6 10–31 cm. KE of the particle is – (a) 0.5 J (b) 5 J (c) 50 J (d) 500 J 4. Total number of sigma bonds in the compound is – (a) 10 (b) 11 (c) 13 (d) 15 BMC CLASSES III-A/172, Nehru Nagar Ghaziabad. Ph : 0120-4102287, 9811212090 email: bmcchemistry@gmail.com Page No - 1 web: www.bmcchemistry.com Test-3/AS,CB&P.P/Set-1 Mittal Sir 5. In CH3 – CH = CH2 ‘pi’ bond is formed by overlapping of – (a) two sp2 hybridised orbitals (b) two sp hybridised orbitals (c) two unhybridised ‘p’ orbitals (d) one sp2 and other sp3 hybridised orbitals 6. NO2, NO2 & NO3 in increasing order of bond angle is – (a) NO3– < NO2– < NO2+ (b) NO2– < NO3– < NO2+ + – – (c) NO2 < NO2 < NO3 (d) NO2+ < NO3– < NO2– 7. O – O bond length is maximum in (a) Na2O2 (b) KO2 (c) O2 (d) O2+[PtF6]– 8. The correct order of ionic radii of Li+, Be+2, Mg+2 and B+3 follow the order (a) B+3 < Be+2 < Li+ < Mg+2 (b) B+3 < Be+2 < Mg+2 < Li+ (c) B+3 < Mg+2 < Be+2 < Li+ (d) Li+ < Be+2 < Mg+2 < B+3 9. If S – p mixing is not considered than (A) Bond order of B2 will change (B) Magnetic behaviour of B2 will change (C) Magnetic behaviour of B2+ will change Correct statement (s) is (are) – (a) A & B (b) A & C (c) Only ‘B’ (d) Only ‘C’ 10. The electronic configuration of M+3 ion is 1s2, 2s2, 2p6, 3s2, 3p6, 3d3 Total number of electron having |m|=1 in ‘M’ (a) 9 (b) 10 (c) 11 (d) 12 11. Among the following which of the following has highest boiling point OCH3 OH CH3 OH (a) (b) (c) (d) NO2 NO2 12. A metal ‘M’ having work function 3.0 ev was exposed to two photons ‘A’ and ‘B’ having energy E and 2 E respectively. If kinetic energy of electron emitted out in case of ‘A’ is 4 10–20 J, the kinetic energy of electron in case of ‘B’ is – (a) 8 10–20 J (b) 4 10–20 J (c) 5.4 10–19 J (d) 2 10–20 J Space for rough work BMC CLASSES III-A/172, Nehru Nagar Ghaziabad. Ph : 0120-4102287, 9811212090 email: bmcchemistry@gmail.com Page No - 2 web: www.bmcchemistry.com Test-3/AS,CB&P.P/Set-1 Mittal Sir 13. The correct geometry of PCl3Br2 is Cl Br (a) Br (b) Cl P P Br Cl Cl Cl Cl Br Cl (c) Br (d) Any of these as all are same P Cl Br Cl 14. Which photon has lowest wavelength (a) having energy 10–19 J (b) having energy 10–20 J –21 (c) having energy 10 J (d) having frequency 1015 Htz 15. The most electronegative carbon in the compound CH2 = CH – CH2 – C CH (1) (2) (a) C – 1 (3) (4) (5) (b) C – 3 (c) C – 5 (d) all are same 16. Type of force of attraction between a H2O molecule and an NH3 molecule is (are) (i) Dipole, dipole interaction (ii) Dipole, induced dipole interaction (iii) Hydrogen bond (a) i & iii (b) ii & iii (c) i & ii (d) i, ii & iii all 17. When BF3 is dissolved in liquid NH3 – (i) Bond angle of F – B – F bond decreases (ii) % ‘S’ character of hybridised orbitals of boron decreases (iii) B – F bond length increases Correct statement (s) is (are) – (a) i & ii (b) i only (c) ii & iii (d) i, ii & iii only 18. An electron is moving with aspeed of 108 cm/sec the minimum diameter of the sphere in which this electron can be located is – (a) 60 nm (b) 10 m (c) 60 A (d) 60 Pm 19. The de Broglie wavelength of an electron in hydrogen atom is 1.33 nm. The electron is in – (a) ground state (b) fourth excited state nd (c) 2 excited state (d) 3rd excited state Space for rough work BMC CLASSES III-A/172, Nehru Nagar Ghaziabad. Ph : 0120-4102287, 9811212090 email: bmcchemistry@gmail.com Page No - 3 web: www.bmcchemistry.com Test-3/AS,CB&P.P/Set-1 Mittal Sir 20. Among the following the total number of processes in which H = +ve (endothermic) (i) He(g) + e– He–(g) (ii) O(g) + 2e– O–2(g) (iii) Cl(g) + e– Cl–(g) – – – – (iv) N(g) + e N (g) (v) Be(g) + e Be (g) (vi) Li(g) + e– Li–(g) (vii) H(g) + e– H–(g) (a) 4 (b) 3 (c) 5 (d) 6 21. Which of the following can not be a resonating structure of N3– N + –2 – + – –2 + (a) N N – N (b) N = N = N (c) N –– N (d) N – N N 22. Correct order of net dipole moment is – (a) CH4 < NH3 < NF3 (b) CH4 < NF3 < NH3 (c) NF3 < CH4 < NH3 (d) NH3 < NF3 < CH4 23. Type of bonds present in CuSO4.5H2O are – (i) Ionic bond (ii) Covalent bond (iii) Coordinate bond (iv) Hydrogen bond (a) i, ii & iv (b) ii, iii & iv (c) ii & iii (d) i, ii, iii & iv all 24. Total number of lone pare of electrons in N2O3 are – (a) 6 (b) 7 (c) 8 (d) 9 25. Total number of 90 angels in ClF3 is/are (a) 2 (b) 3 (c) 4 (d) zero 26. The wavelength of photon released in an electronic transition of n = 2 to n = 1 in Li+2 ion is approximately (a) 13 A (b) 13 nm (c) 13 Pm (d) 13 m 27. If Hund’s rule is not applicable, the magnetic moment of Fe+2 ion would be – (a) zero (b) 1.7 BM (c) 2.8 BM (d) 3.9 BM 28. If particle is accelerated with a potential difference of 3V, the wavelength of ‘’ particle would. ( = Nucleus of Helium atom) (a) 5.85 10–13 m (b) 5.85 10–14 m (c) 5.85 10–15 m (d) 5.85 10–12 m 29. The correct order of bond stability of Li2, Li2+ and Li2– is – (a) Li2 < Li2+ < Li2– (b) Li2– < Li2+ < Li2 (c) Li2– = Li2+ < Li2 (d) Li2 < Li2– = Li2+ 30. Match the orbital overlap figures shown in List-I with the description given in List-II and select the correct answer using the code given below the lists List-I List-II 1. p-d antibonding P. 2. d-d bonding Q. R. 3. p-d bonding S. 4. d-d antibonding Code : P Q (a) 2 1 (b) 4 3 (c) 2 3 (d) 4 1 R 3 1 1 3 S 4 2 4 2 Space for rough work BMC CLASSES III-A/172, Nehru Nagar Ghaziabad. Ph : 0120-4102287, 9811212090 email: bmcchemistry@gmail.com Page No - 4 web: www.bmcchemistry.com Test-3/AS,CB&P.P/Set-1 Mittal Sir III-A/172 , Nehru Nagar Ghaziabad. Ph : 0120-4102287, 9811212090 email : bmcchemistry@gmail.com, website : www.bmcchemistry.com Type : JEE MAIN 2015-16 CODE th TEST-3/Class 11 /Set-1 1 Topic : Atomic Structure, Chemical Bonding, Periodic Properties Date : 16th AUG 2015 Max Marks : 120 Time : 50 minutes Roll No. Name of the student Note : Write your name and roll no. above in box before filling the answers. Use only blue/black ball pen, use of pencil is strictly prohibited. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. a a a a a a a a a a b b b b b b b b b b c c c c c c c c c c d d d d d d d d d d 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. a a a a a a a a a a b b b b b b b b b b c c c c c c c c c c d d d d d d d d d d 21. 22. 23. 24. 25. 26. 27. 28. 29. 30. a a a a a a a a a a b b b b b b b b b b c c c c c c c c c c BMC CLASSES III-A/172, Nehru Nagar Ghaziabad. Ph : 0120-4102287, 9811212090 email: bmcchemistry@gmail.com d d d d d d d d d d Page No - 5 web: www.bmcchemistry.com Test-3/AS,CB&P.P/Set-1 BMC CLASSES III-A/172, Nehru Nagar Ghaziabad. Ph : 0120-4102287, 9811212090 email: bmcchemistry@gmail.com Mittal Sir Page No - 6 web: www.bmcchemistry.com Test-3/AS,CB&P.P/Set-1 BMC CLASSES III-A/172, Nehru Nagar Ghaziabad. Ph : 0120-4102287, 9811212090 email: bmcchemistry@gmail.com Mittal Sir Page No - 7 web: www.bmcchemistry.com Test-3/AS,CB&P.P/Set-1 BMC CLASSES III-A/172, Nehru Nagar Ghaziabad. Ph : 0120-4102287, 9811212090 email: bmcchemistry@gmail.com Mittal Sir Page No - 8 web: www.bmcchemistry.com