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2017 NEET Chemistry Solved Paper

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2017 NEET Chemistry Solved Paper

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  1. www.zigya.com Previous YearPaper Chemistry - 2017

  2. Chemistry NEET 2017 Exam Year 2017 Study, Assignments, Solved Previous Year Papers . Questions and Answers. FreeForever. Multiple ChoiceQuestions With respect to the conformers of ethane, which of the following statements is true? Bond angle remains same but bondlength changes Bond angle changes but bond length remains same Bothbondangleandbondlengthchange Both bond angles and bond length remains same Answer Which of the following pairs of compounds is isoelectronic and isostructural? BeCl2,XeF2 Tel2,XeF2 IBr - ,XeF 2 IF3,XeF2 Answer HgCl and I both when dissolved in water containing I– ions the pair of species formedis 2 2 HgI , I - 2 3 Hgl ,I- 2 HgI 3-, I- 4 3 Hg I ,I- 2 2 Answer Which one is the wrongstatement? de-Broglie's wavelength is given by λ =h/mv, where m = mass of the particle, v = group velocity of theparticle The uncertainty principleis Half-filled and fully filled orbitals have greater stability due to greater exchange energy, greater symmetry and more balancedarrangement The energy of 2s orbital is less than the energy of 2p orbital in case of Hydrogen like atoms Answer A gas is allowed to expand in a well-insulated container against a constant external pressure of 2.5 atm from an initial volume of 2.50 L to a final volume of 4.50 L. The change in internal energy ΔU of the gas in joules willbe Like. Share. Bookmark. Download. Make Notes. Print - Your Favourite Questions. Joinwww.zigya.com

  3. Chemistry NEET 2017 Exam Year 2017 Study, Assignments, Solved Previous Year Papers . Questions and Answers. FreeForever. 1136.5J -500J -505J +505J Answer The element Z = 114 has been discovered recently. It will belong to which of the following family group and electronicconfiguration? Halogen family, [Rn] 5f14 6d10 7s2 7p5 Carbon family, [Rn] 5f14 6d10 7s2 7p2 Oxygen family,[Rn] 5f14 6d10 7s2 7p4 Nitrogen family, [Rn] 5f14 6d10 7s2 7p3 Answer MatchtheinterhalogencompoundsofcolumnIwiththegeometryincolumnIIandassignthecorrectcode Column I ColumnII a)XX' (i)T-shape (ii) Pentagonal bipyramidal b) XX' 3 Like. Share. Bookmark. Download. Make Notes. Print - Your Favourite Questions. Joinwww.zigya.com

  4. Chemistry NEET 2017 Exam Year 2017 Study, Assignments, Solved Previous Year Papers . Questions and Answers. FreeForever. Answer 8. 20-litrecontainerat400KcontainsCO2(g)atpressure0.4atmandanexcessofSrO(neglectthevolumeof solid SrO). The volume of the containers is now decreased by moving the movable piston fitted in the container. The maximum volume of the container, when pressure of CO2 attains its maximum value, will be Given that: SrCO3 ⇌ SrO(s) + CO2(g) kp = 1.6 atm) 5litre 10litre 8litre 3 litre Answer For a given reaction, ΔH = 35.5 kJ mol–1 and ΔS = 83.6 JK–1 mol–1. The reaction is spontaneous at (Assume that ΔH and ΔS do not vary withtemperature) T < 425 K T > 425K All temperatures T > 298K Answer The correct statement regarding electrophileis Electrophile is a negatively charged species and can form a bond by accepting a pair of electrons from anucleophile Electrophile is a negatively charged species and can form a bond by accepting a pair of electrons from anotherelectrophile Electrophiles are generally neutral species and can form a bond by accepting a pair of electrons from anucleophile Electrophile can be either neutral or positively charged species and can form a bond by acceptinga Like. Share. Bookmark. Download. Make Notes. Print - Your Favourite Questions. Joinwww.zigya.com

  5. Chemistry NEET 2017 Exam Year 2017 Study, Assignments, Solved Previous Year Papers . Questions and Answers. FreeForever. pair of electrons from anucleophile Answer Which of the following is a sink for CO? Haemoglobin Micro-organisms present in thesoil Oceans Plants Answer The most suitable method of separation of 1 : 1 mixture of ortho and para-nitrophenols is Sublimation Chromatography Crystallisation Steamdistillation Answer Which one of the following pairs of species has the same bond order? CO,NO O + 2,NO CN–, CO N2,O2 Answer Which is the incorrectstatement? FeO0.98 has non stoichiometric metal deficiency defect Density decreases in case of crystals with Schottky'sdefect NaCl(s)isinsulator,siliconissemiconductor,silverisconductor,quartzispiezoelectriccrystal Frenkel defect is favoured in those ionic compounds in which sizes of cation and anionsare almost equal Answer Concentration of the Ag+ ionsin a saturated solution of Ag C O is 2.2 ×10–4 mol L–1. Solubilityproduct 2 2 4 2.42 ×10–8 2.66 ×10–12 4.5 ×10–11 Like. Share. Bookmark. Download. Make Notes. Print - Your Favourite Questions. Joinwww.zigya.com

  6. Chemistry NEET 2017 Exam Year 2017 Study, Assignments, Solved Previous Year Papers . Questions and Answers. FreeForever. 5.3 ×10–12 Answer 16. The species, having bond angles of 120° is PH3 CIF3 NCl3 BCl3 Answer 17. If molality of the dilute solution is doubled, the value of molaldepression constant (Kf) will be Doubled Halved Tripled Unchanged Answer It is because of inability of ns2 electrons of the valence shell to participate in bonding that Sn2+ is reducing while Pb4+ isoxidising Sn2+ is oxidising while Pb4+isreducing Sn2+ and Pb2+ are both oxidising and reducing Sn4+ is reducing while Pb4+ isoxidising Answer Which one of the following statements is not correct? Catalyst does not initiate anyreaction The value of equilibrium constant is changed in the presence of a catalyst in the reaction at equilibrium Enzymes catalyse mainly bio-chemicalreactions Coenzymes increase the catalytic activity of enzyme Answer The reason for greater range of oxidation states in actinoids is attributed to The radioactive nature ofactinoids Like. Share. Bookmark. Download. Make Notes. Print - Your Favourite Questions. Joinwww.zigya.com

  7. Chemistry NEET 2017 Exam Year 2017 Study, Assignments, Solved Previous Year Papers . Questions and Answers. FreeForever. Actinoidcontraction 5f, 6d and 7s levels having comparable energies 4f and 5d levels being close inenergies Answer An example of a sigma bonded organometallic compound is : Ruthenocene Grignard's reagent Ferrocene Cobaltocene Answer Which of the following is dependent on temperature? Molality Molarity Molefraction Weight percentage Answer In the electrochemical cell: Zn|ZnSO4(0.01M)||CuSO4(1.0 M)|Cu, the emf of this Daniel cell is E1. When the concentration of ZnSO4 is changed to 1.0 M and that of CuSO4 changed to 0.01 M, the emf changes to E2. From the following, which one is the relationship between E1 andE2? (Given, RT/F= 0.059) E1=E2 E1<E2 E1>E2 E2= 0 ≠E1 Answer In which pair of ions both the species contain S – S bond? S 2–,S 2– 2O7 2O3 S2–,S2– 4O6 2O3 S2–,S2– 2O7 2O8 S 2–, SO 4O6 2 7 Answer Like. Share. Bookmark. Download. Make Notes. Print - Your Favourite Questions. Joinwww.zigya.com

  8. Chemistry NEET 2017 Exam Year 2017 Study, Assignments, Solved Previous Year Papers . Questions and Answers. FreeForever. 25. The correct order of the stoichiometries of AgCl formed when AgNO3 in excess is treated withthe complexes: CoCl3.6NH3, CoCl3.5NH3, CoCl3.4NH3 respectively is 1 AgCl, 3 AgCl, 2AgCl 3 AgCl, 1 AgCl, 2 AgCl 3 AgCl, 2 AgCl, 1 AgCl 2 AgCl, 3 AgCl, 1 AgCl Answer Correct increasing order for the wavelengths of absorption in the visible region for the complexes of Co3+ is [Co(en) 3+, [Co(NH ) ]3+, [Co(H O)]3+ 3] 3 6 2 6 [Co(H3+3+3+ 2O)6] , [Co(en)3] ,[Co(NH3)6] [Co(H3+3+3+ 2O)6] , [Co(NH3)6] ,[Co(en)3] [Co(NH3+3+3+ 3)6] , [Co(en)3] ,[Co(H2O)6] Answer A first-order reaction has a specific reaction rate of 10–2 s–1. How much time will it take for 20 g of the reactant to reduce to 5g? 238.6second 138.6second 346.5second 693.0 second Answer Name the gas that can readily decolourises acidified KMnO4 solution CO2 SO2 NO2 P2O5 Answer Ionic mobility of which of the following alkali metal ions is lowest when aqueous solution of their salts are put under an electricfield? Na K Rb Li Like. Share. Bookmark. Download. Make Notes. Print - Your Favourite Questions. Joinwww.zigya.com

  9. Chemistry NEET 2017 Exam Year 2017 Study, Assignments, Solved Previous Year Papers . Questions and Answers. FreeForever. Answer 30. The equilibrium constants of the followingare. The equilibrium constant (K) ofthe reaction: Answer Extraction of gold and silver involves leaching with CN– ion. Silver is later recovered by Liquation Distillation Zonerefining Displacement with Zn Answer Extraction of gold and silver involves leaching with CN– ion. Silver is later recovered by Liquation Distillation Zonerefining Displacement with Zn Answer Pick out the correct statement withrespect [Mn(CN)3– 6] It is sp3d2 hybridised and octahedral It is sp3d2 hybridised and tetrahedral It is d2sp3 hybridised andoctahedral Like. Share. Bookmark. Download. Make Notes. Print - Your Favourite Questions. Joinwww.zigya.com

  10. Chemistry NEET 2017 Exam Year 2017 Study, Assignments, Solved Previous Year Papers . Questions and Answers. FreeForever. It is dsp2 hybridised and squareplanar Answer Mixture of chloroxylenol and terpineol acts as Analgesic Antiseptic Antipyretic Antibiotic Answer Of the following, which is the product formed when cyclohexanone undergoes aldol condensation followed byheating? Answer 36. Which one is the most acidiccompound? Like. Share. Bookmark. Download. Make Notes. Print - Your Favourite Questions. Joinwww.zigya.com

  11. Chemistry NEET 2017 Exam Year 2017 Study, Assignments, Solved Previous Year Papers . Questions and Answers. FreeForever. Answer Whichofthefollowingstatementsisnotcorrect? Insulin maintains sugar level in the blood of ahuman body Ovalbumin is a simple food reserve inegg-white Blood proteins thrombin and fibrinogen are involved in blood clotting Denaturation makes the proteins moreactive Answer Predict the correct intermediate and product in thefollowing reaction Answer 39. Consider the reactions: Like. Share. Bookmark. Download. Make Notes. Print - Your Favourite Questions. Joinwww.zigya.com

  12. Chemistry NEET 2017 Exam Year 2017 Study, Assignments, Solved Previous Year Papers . Questions and Answers. FreeForever. A-Methoxymethane, X-Ethanoic acid, Y-Acetate ion,Z-hydrazine A-Methoxymethane, X-Ethanol, Y-Ethanoic acid, Z-Semicarbazide A-Ethanal, X-Ethanol, Y-But-2-enal,Z-Semicarbazone A-Ethanol, X-Acetaldehyde, Y-Butanone, Z-Hydrazone Answer Which one is the correct order ofacidity? CH2= CH2> CH3– CH = CH2> CH3– C ≡ CH > CH ≡ CH CH ≡ CH > CH3– C ≡ CH > CH2= CH2> CH3–CH3 CH ≡ CH > CH2= CH2> CH3– C ≡ CH >CH3– CH3 CH3– CH3> CH2= CH2> CH3– C ≡ CH >CH ≡CH Answer The correct increasing order of basic strength for the following compoundsis < III <I < I <II III < II <I II < I <III Answer 42. Identify A and predict the type ofreaction Like. Share. Bookmark. Download. Make Notes. Print - Your Favourite Questions. Joinwww.zigya.com

  13. Chemistry NEET 2017 Exam Year 2017 Study, Assignments, Solved Previous Year Papers . Questions and Answers. FreeForever. Answer The heating of phenyl-methyl ethers with HI produces. Ethylchlorides Iodobenzene Phenol Benzene Answer Which of the following reactions is appropriate for converting acetamide to methanamine? Carbylaminereaction Hoffmann hypobromamide reaction Stephensreaction Gabriels phthalimide synthesis Answer The IUPAC name of thecompound Like. Share. Bookmark. Download. Make Notes. Print - Your Favourite Questions. Joinwww.zigya.com

  14. Chemistry NEET 2017 Exam Year 2017 Study, Assignments, Solved Previous Year Papers . Questions and Answers. FreeForever. 3-keto-2-methylhex-4-enal 5-formylhex-2-en-3-one 5-methyl-4-oxohex-2-en-5-al 3-keto-2-methylhex-5-enal Answer Like. Share. Bookmark. Download. Make Notes. Print - Your Favourite Questions. Joinwww.zigya.com

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