JEE Main Exam Syllabus by Infomatica Academy

1. Infomatica Academy – JEE Main ⁄‚ÊÿŸ‡ÊÊSòÊ CHEMISTRY 1. An ideal gas undergoes isothermal expansion at constant pressure. During the process : ∞∑ •ÊŒ‡Ê¸ªÒ‚ÁSÕ⁄ŒÊ’¬⁄‚◊ÃʬËÿ¬˝‚Ê⁄áÊ ∑⁄ÃË„Ò–ß‚¬˝∑˝◊◊¥— 1. (1) enthalpy increases but entropy decreases. ∞ãÕÒÀ¬Ë’…∏ÃË„Ò¬⁄ãÃÈ∞ã≈˛ÊÚ¬ËÉÊ≈ÃË„Ò– (1) (2) enthalpy remains constant but entropy increases. ∞ãÕÒÀ¬ËÁSÕ⁄⁄„ÃË„Ò¬⁄ãÃÈ∞ã≈˛Êڬ˒…∏ÃË„Ò– (2) (3) enthalpy decreases but entropy increases. ∞ãÕÒÀ¬ËÉÊ≈ÃË„Ò¬⁄ãÃÈ∞ã≈˛Êڬ˒…∏ÃË„Ò– (3) (4) Both enthalpy and entropy remain constant. ∞ãÕÒÀ¬ËÃÕÊ∞ã≈˛Êڬˌʟʥ„ËÁSÕ⁄⁄„ÃË„Ò¥– (4) 2. 50 mL of 0.2 M ammonia solution is treated with 25 mL of 0.2 M HCl. If pKb of ammonia solution is 4.75, the pH of the mixture will be : 2. 0.2 M •◊ÊÁŸÿÊ Áfl‹ÿŸ ∑50 mL ∑ Ê 0.2 M HCl ∑25 mL ∑‚ÊÕ•Á÷∑Î Ã Á∑ ÿÊ ¡ÊÃÊ„Ò– ÿÁŒ•◊ÊÁŸÿÊÁfl‹ÿŸ∑pKb ∑Ê ◊ÊŸ4.75 „Ê ÃÊ Á◊üÊáÊ∑Ê pH „ʪʗ (1) 3.75 (2) 4.75 (3) 8.25 (1) 3.75 (4) 9.25 (2) 4.75 (3) 8.25 3. The electron in the hydrogen atom undergoes transition from higher orbitals to orbital of radius 211.6 pm. This transition is associated with : (4) 9.25 „Êß«˛Ê¡Ÿ¬⁄◊ÊáÊÈ◊¥ß‹Ä≈˛ÊÚŸ©ìÊÃ⁄•ÊÚÁ’¸≈‹‚ 211.6 pmÁòÊíÿÊflÊ‹•ÊÚÁ’¸≈‹Ã∑‚¥∑˝◊áÊ∑ ⁄ÃÊ „Ò–ß‚‚¥∑˝◊áÊ∑Ê ‚ê’ãœÁ¡‚‚„Òfl„„Ò— 3. (1) Lyman series (2) Balmer series (3) Paschen series (4) Brackett series ‹Êß◊ÒŸ üÊáÊË (1) ’Ê◊⁄ üÊáÊË (2) ¬Ê‡ÊŸ üÊáÊË (3) ’˝∑≈ üÊáÊË (4) 1 IX - CHEMISTRY

2. Infomatica Academy – JEE Main 300 K ¬⁄;2 ’Ê⁄¬⁄⁄πÁ∑‚˪҂Ëÿ•áÊÈ ∑ Ê ÉÊãÊàfl,4 ’Ê⁄¬⁄⁄π«ÊߟÊß≈˛Ê¡Ÿ(N2) ∑ ÉÊŸàfl ∑ʌ͟ʄҖªÒ‚Ëÿ•áÊÈ∑Ê◊Ê‹⁄Œ˝√ÿ◊ÊŸ„Ò— 4. At 300 K, the density of a certain gaseous molecule at 2 bar is double to that of dinitrogen (N2) at 4 bar. The molar mass of gaseous molecule is : 28 g mol−1 56 g mol−1 112 g mol−1 224 g mol−1 4. (1) (2) 28 g mol−1 56 g mol−1 112 g mol−1 224 g mol−1 (1) (3) (2) (4) (3) (4) 5. What quantity (in mL) of a 45% acid solution of a mono-protic strong acid must be mixed with a 20% solution of the same acid to produce 800 mL of a 29.875% acid solution ? ∞∑◊ʟʬ˝ÊÁ≈∑¬˝’‹•ê‹∑45% ∞Á‚«Áfl‹ÿŸ ∑ Ë Á∑ ÃŸË ◊ÊòÊÊ (mL ◊¥) ©‚Ë •ê‹ ∑20% Áfl‹ÿŸ ∑‚ÊÕ Á◊‹ÊÿË ¡ÊŸË øÊÁ„∞ Á∑ 29. 875% ∞Á‚«Áfl‹ÿŸ∑ Ê 800 mL ’Ÿ ¡Êÿ ? 5. (1) 320 (2) 325 (3) 316 (1) 320 (4) 330 (2) 325 (3) 316 To find the standard potential of M3+/M electrode, the following cell is constituted : Pt/M/M3+(0.001 mol L−1)/Ag+(0.01 6. (4) 330 3+ /Mß‹ÒÄ≈˛Ê«∑◊ÊŸ∑Áfl÷fl∑ÊÁŸ∑Ê ‹ Ÿ ∑Á‹∞ ÁŸêŸ ‚‹ ’ŸÊÿÊ ªÿÊ — Pt/M/M3+(0.001 mol L−1)/Ag+(0.01 mol L−1)/Ag 6. M mol L−1)/Ag The emf of the cell is found to be 0.421 volt at 298 K. The standard potential of 3+ half reaction M be : − +3e→ M at 298 K will ‚‹∑Ê ß¸.∞◊.∞» . 298 K ¬⁄,0.421 V ¬ÊÿÊ ªÿÊ– 298 K ¬⁄, ∑ Ê ◊ÊŸ∑ Áfl÷fl „ÊªÊ — 3++3e−→M, •h¸•Á÷Á∑˝ ÿÊ M (1) 0.38 Volt ) (2) 0.32 Volt (1) 0.38 V (3) 1.28 Volt (2) 0.32 V (4) 0.66 Volt (3) 1.28 V (4) 0.66 V 2 IX - CHEMISTRY

3. Infomatica Academy – JEE Main ∞∑ªÒ‚•flSÕÊA ‚ „ Ò –ß‚ ¬˝∑˝◊◊¥,ªÒ‚mÊ⁄ʇÊÊÁ·Ã™c◊ÊÃÕÊÁ∑ÿʪÿÊ∑Êÿ¸ ∑˝◊‡Ê—5 J ÃÕÊ 8 J „Ò¥–•’ªÒ‚∑Ê ŒÍ‚⁄¬˝∑˝ ◊ mÊ⁄ʬȟ—A•flSÕÊ◊¥‹ÊÄҥ߂◊¥3 J ™ c◊Ê ÁŸ∑ ‹ÃË „Ò–B ‚ ©À≈¬˝∑˝◊◊¥— •flSÕÊB ∑Ê ¡ÊÃË 7. A gas undergoes change from state A to state B. In this process, the heat absorbed and work done by the gas is 5 J and 8 J, respectively. Now gas is brought back to A by another process during which 3 J of heat is evolved. In this reverse process of B to A : 7. A ∑ß‚ (1) 10 J of the work will be done by the gas. (2) 6 J of the work will be done by the gas. ªÒ‚ mÊ⁄Ê 10 J ∑ Êÿ¸ Á∑ ÿÊ ¡ÊÿªÊ– (1) (3) 10 J of the work will be done by the surrounding on gas. ªÒ‚mÊ⁄Ê6 J ∑ Êÿ¸ Á∑ ÿÊ ¡ÊÿªÊ– (4) (2) 6 J of the work will be done by the surrounding on gas. ªÒ‚¬⁄¬Á⁄fl‡ÊmÊ⁄ÊÁ∑ÿʪÿÊ∑Êÿ¸10 J „ʪʖ (3) 8. Adsorption of a gas on a surface follows Freundlich adsorption isotherm. Plot of x log mversus log p gives a straight line with slope equal to 0.5, then : x ( m is the mass of the gas adsorbed per ªÒ‚¬⁄¬Á⁄fl‡ÊmÊ⁄ÊÁ∑ÿʪÿÊ∑Êÿ¸6 J„ʪʖ (4) Á∑‚ˬÎc∆¬⁄∞∑ªÒ‚∑ Ê •Áœ‡ÊÊ·áÊ,»˝ÊÚÿã«Á‹∑ •Áœ‡ÊÊ·áÊ‚◊Ãʬ∑Ê•ŸÈ∑⁄áÊ∑⁄ÃÊ„Ò–logp x ∑ÁflLh log m „Ò– Á¡‚∑ÊS‹Ê¬0.5 ∑’⁄Ê’⁄¬ÊÿʪÿÊ,Ã’— 8. ∑Êå‹Ê≈∞∑‚⁄‹⁄ πÊŒÃÊ gram of adsorbent) x (1) Adsorption is independent of pressure. ( m , ¬˝Áê˝Ê◊•Áœ‡ÊÊ·∑mÊ⁄Ê•Áœ‡ÊÊÁ·ÃªÒ‚∑ Ê Œ˝√ÿ◊ÊŸ „Ò) (2) Adsorption is proportional to the pressure. •Áœ‡ÊÊ·áÊ,ŒÊ’¬⁄•ÊÁüÊß„Ë¥„Ò– (1) (3) Adsorption is proportional to the square root of pressure. •Áœ‡ÊÊ·áÊ, ŒÊ’ ∑‚◊ʟȬÊÃË„Ò– (2) (4) Adsorption is proportional to the square of pressure. •Áœ‡ÊÊ·áÊ, ŒÊ’ ∑flª¸◊Í‹ ∑‚◊ʟȬÊÃË „ Ò – (3) •Áœ‡ÊÊ·áÊ, ŒÊ’ ∑flª¸ ∑‚◊ʟȬÊÃË„Ò– (4) 3 IX - CHEMISTRY

4. Infomatica Academy – JEE Main Ãʬ300 ‚ ÿÊ ∑ Ë Œ⁄øÊ⁄ªÈŸÊ„Ê ¡ÊÃË „Ò–ß‚•Á÷Á∑˝ ÿÊ ∑ Ë ‚Á∑˝ ÿáÊ ™ ¡Ê¸ „Ò: (ÿ„◊ÊŸ∑⁄øÁ‹ÿÁ∑‚Á∑˝ ÿáÊ ™ ¡Ê¸ Ã Õ Ê ¬˝Ë∞Ä‚¬ÊŸÁã‡Êÿ‹»ÒÄ≈⁄Ãʬ¬⁄ÁŸ÷¸⁄Ÿ„Ë¥„Ò; ln 2=0.693; R=8.314 J mol−1 K−1) 310 K ¬Á⁄flÁøÄʟ◊¥• Á ÷ Á ∑ ˝ 9. The rate of a reaction quadruples when the temperature changes from 300 to 310 K. The activation energy of this reaction is : 9. (Assume activation energy and pre- exponential factor are independent of temperature; ln 2=0.693; R=8.314 J mol−1 K−1 107.2 kJ mol−1 53.6 kJ mol−1 26.8 kJ mol−1 214.4 kJ mol−1 ) (1) (2) (3) 107.2 kJ mol−1 53.6 kJ mol−1 26.8 kJ mol−1 214.4 kJ mol−1 (1) (4) (2) (3) 10. A solution is prepared by mixing 8.5 g of CH2Cl2 and 11.95 g of CHCl3. If vapour pressure of CH2Cl2 and CHCl3 at 298 K are 415 and 200 mmHg respectively, the mole fraction of CHCl3 in vapour form is : (Molar mass of Cl=35.5 g mol−1) (4) 8.5 g CH2Cl2 ÃÕÊ 11.95 g CHCl3 ∑ ÊÁ◊‹Ê∑ ⁄ ∞∑Áfl‹ÿŸÃÒÿÊ⁄Á∑ ÿÊ ¡ÊÃÊ „Ò–ÿÁŒ298 K ¬⁄ CH2Cl2 ÃÕÊ CHCl3 ∑flÊc¬ŒÊ’∑˝◊‡Ê—415 ÃÕÊ200 mmHg„ÊÃÊflÊc¬M¬◊ ¥© ¬ Á S Õ Ã CHCl3∑Ê◊Ê‹•¥‡Ê„Ò— (Cl∑Ê◊Ê‹⁄Œ˝√ÿ◊ÊŸ=35.5 gmol−1) 10. (1) 0.162 (2) 0.675 (3) 0.325 (1) (2) 0.162 0.675 (4) 0.486 (3) 0.325 11. The electronic configuration with the highest ionization enthalpy is : [Ne] 3s2 3p1 (4) 0.486 (1) 2 2 (2) [Ne] 3s 3p [Ne] 3s2 3p3 [Ar] 3d10 4s2 4p3 ©ëøÃ◊•ÊÿŸŸ∞ãÕÒÀ¬ËflÊ‹Êß‹Ä≈˛ÊÁŸ∑ „Ò — [Ne] 3s2 3p1 [Ne] 3s2 3p2 [Ne] 3s2 3p3 [Ar] 3d10 4s2 4p3 ÁflãÿÊ‚ 11. (3) (4) (1) (2) (3) (4) 4 IX - CHEMISTRY

5. Infomatica Academy – JEE Main flÊàÿÊ÷^Ë(é‹ÊS≈»⁄Ÿ‡Ê)◊¥ÁŸêŸ•Á÷Á∑˝ÿÊ„ÊÃË „ÒÁ¡‚◊¥•Êÿ⁄Ÿ•ÿS∑•¬øÁÿÄÊ∑⁄•Êÿ⁄Ÿ œÊÃÈ ’ŸÃÊ „Ò; 12. The following reaction occurs in the Blast Furnace where iron ore is reduced to iron metal : 12. Fe2O3(s)+3 CO(g) ⇌ 2 Fe(l)+3 CO2(g) Using the Le Chatelier’s principle, predict which one of the following will not disturb the equilibrium ? Fe2O3(s)+3 CO(g) ⇌ 2 Fe(l)+3 CO2(g) ‹-‡ÊÊÃÒÁ‹∞Á‚hÊãÃ∑ʬ˝ÿʪ∑⁄∑¬˝ÊªÈÁÄÃ∑Ë Á ¡ ∞Á∑ ÁŸêŸ◊¥‚ ∑ÊÒŸ‚Ê∞∑‚Êêÿ∑ʬ˝÷ÊÁflà Ÿ„Ë¥ ∑⁄ ªÊ? (1) Removal of CO (2) (3) (4) Removal of CO2 Addition of CO2 Addition of Fe2O3 CO∑ÊÁŸ∑Ê‹∑⁄„≈ÊŒŸÊ (1) CO2∑ÊÁŸ∑Ê‹∑⁄„≈ÊŒŸÊ CO2 ∑ Ê Á◊‹ÊŒŸÊ Fe2O3 ∑ Ê Á◊‹ÊŒŸÊ (2) (3) 13. Which one of the following is an oxide ? (4) (1) KO2 BaO2 SiO2 CsO2 (2) (3) (4) ÁŸêŸ◊¥‚ ∑ÊÒŸ‚Ê∞∑,•ÊÚÄ‚Êß«„Ò? 13. (1) KO2 BaO2 SiO2 CsO2 (2) (3) (4) 14. Which of the following is a set of green house gases ? (1) CH4, O3, N2, SO2 (2) O3, N2, CO2, NO2 (3) O3, NO2, SO2, Cl2 (4) CO2, CH4, N2O, O3 ÁŸêŸ◊¥‚ „Ò? ∑ÊÒŸ‚ʪ˝ËŸ„Ê©‚ªÒ‚Ê¥∑Ê‚◊ÈìÊÿ 14. (1) CH4, O3, N2, SO2 O3, N2, CO2, NO2 O3, NO2, SO2, Cl2 CO2, CH4, N2O, O3 (2) (3) (4) 5 IX - CHEMISTRY

6. Infomatica Academy – JEE Main 15. fl„ª˝È¬Á¡‚◊¥ÁòÊ∑ÊáÊ‚◊ËËÿ‚¥⁄øŸÊflÊ‹„Ò¥,„Ò— 15. The group having triangular planar structures is : (1) BF , NF , CO2− 2− BF , NF , CO3 3 3 (1) 3 3 3 NO−, SO3 (2) CO2−, 2− − 3 3 CO3 , NO3 , SO3 (2) (3) NH3, SO3, CO2− 2− 3 (3) NH3, SO3,CO3 (4) NCl3, BCl3, SO3 (4) NCl3, BCl3, SO3 16. XeF6 on partial hydrolysis with water produces a compound ‘X’. The same compound ‘X’ is formed when XeF6 reacts with silica. The compound ‘X’ is : XeF6, ¡‹∑‚ÊÕ•Ê¥Á‡Ê∑¡‹-•¬ÉÊ≈Ÿ∑ 16. ⁄ Ÿ ¬⁄,∞∑ÿÊÒÁª∑‘X’ŒÃÊ„Ò–ÿ„ËÿÊÒÁª∑‘X’Ã’ ’ŸÃÊ„Ò¡’XeF6 Á‚Á‹∑Ê ∑‚ÊÕ•Á÷Á∑˝ ÿÊ ∑ ⁄ÃÊ „Ò–ÿÊÒÁª∑ ‘X’ „Ò — (1) (2) (3) XeF2 XeF4 XeOF4 XeO3 (4) (1) (2) (3) XeF2 XeF4 XeOF4 XeO3 17. The number of P−OH bonds and the oxidation state of phosphorus atom in pyrophosphoric respectively are : (4) acid (H4P2O7) ¬Êÿ⁄Ê»ÊS»ÊÁ⁄∑∞Á‚«(H4P2O7) ◊ ¥P−OH •Ê’ãœÊ ¥∑Ë‚¥ÅÿÊÃÕÊ»ÊS»Ê⁄‚¬⁄◊ÊáÊÈ∑Ë •ÊÚÄ‚Ë∑⁄áÊ•flSÕÊ∑˝◊‡Ê—„Ò¥— (1) four and four 17. (2) five and four (3) five and five (4) four and five øÊ⁄ ÃÕÊøÊ⁄ (1) ¬Ê°ø ÃÕÊ øÊ⁄ (2) ¬Ê°ø ÃÕÊ ¬Ê°ø (3) øÊ⁄ ÃÕÊ ¬Ê°ø (4) 6 IX - CHEMISTRY

7. Infomatica Academy – JEE Main ÁŸêŸ•ÊÿŸÊ¥◊¥‚ •Á÷Á∑˝ ÿÊ ∑⁄Ÿ¬⁄„Êß«˛Ê¡ŸªÒ‚Ÿ„Ë¥ÁŸ∑Ê‹ÃÊ? ∑ÊÒŸ‚Êßȕê‹Ê¥‚ 18. Which of the following ions does not liberate hydrogen gas on reaction with dilute acids ? + 18. 2 (1) (2) V2+ Ti 2+ (1) (2) V2+ Ti Cr2+ Mn2+ (3) (4) 2+ (3) (4) Mn2+ Cr 19. The correct sequence of decreasing number of π-bonds in the structures of H2SO3, H2SO4 and H2S2O7 is : (1) H2SO3 > H2SO4 > H2S2O7 (2) H2SO4 > H2S2O7 > H2SO3 (3) H2S2O7 > H2SO4> H2SO3 (4) H2S2O7 > H2SO3 > H2SO4 H2SO3, H2SO4ÃÕÊH2S2O7∑Ë‚¥⁄øŸÊ◊ ¥ π- •Ê’ãœÊ¥∑ËÉÊ≈ÃË‚¥ÅÿÊ∑Ê‚„Ë∑˝◊„Ò— 19. (1) (2) (3) (4) H2SO3 > H2SO4 > H2S2O7 H2SO4 > H2S2O7 > H2SO3 H2S2O7 > H2SO4> H2SO3 H2S2O7 > H2SO3 > H2SO4 20.[Co2(CO)8] displays : (1) one Co−Co bond, six terminal CO and two bridging CO [Co2(CO)8] •Á÷√ÿÄÃ∑⁄ÃÊ„Ò— ∞∑Co−Co•Ê’ãœ,¿—≈⁄Á◊Ÿ‹CO ÃÕʌʂÃÈ’¥œŸCO 20. (2) one Co−Co bond, four terminal CO and four bridging CO (1) (3) no Co−Co bond, six terminal CO and two bridging CO ∞∑Co−Co•Ê’ãœ,øÊ⁄≈⁄Á◊Ÿ‹CO ÃÕÊøÊ⁄‚ÃÈ’¥œŸCO (2) (4) no Co−Co bond, four terminal CO and four bridging CO Co−Co•Ê’㜟„Ë¥,¿—≈⁄Á◊Ÿ‹CO ÃÕʌʂÃÈ’¥œŸCO (3) Co−Co•Ê’㜟„Ë¥,øÊ⁄≈⁄Á◊Ÿ‹CO ÃÕÊøÊ⁄‚ÃÈ’¥œŸCO (4) 7 IX - CHEMISTRY

8. Infomatica Academy – JEE Main 21. A compound of molecular formula C8H8O2 reacts with acetophenone to form a single cross-aldol product in the presence of base. The same compound on reaction with conc. NaOH forms benzyl alcohol as one of the products. The structure of the compound is : ∞∑ÿÊÒÁª∑Á¡‚∑Ê•áÊÈ‚ÍòÊC8H8O2„Ò,∞Á‚≈Ê»ŸÊŸ ‚ ∞∑ˇÊÊ⁄∑∑Ë©¬ÁSÕÁÃ◊¥•Á÷Á∑˝ÿÊ∑⁄ ∑ ∞∑ „Ë∑˝Ê‚-∞À«Ê‹©à¬ÊŒ’ŸÊÃÊ„Ò–fl„ËÿÊÒÁª∑‚ÊãŒ˝ NaOH∑‚ÊÕ•Á÷Á∑˝ÿÊ∑⁄∑’¥Á¡‹∞À∑ Ê„ÊÚ‹, ¡Ê’ŸŸflÊ‹©à¬ÊŒÊ¥◊¥‚ ÿÊÒÁª∑ ∑ Ë ‚¥⁄øŸÊ „Ò — 21. ∞∑„Ò,’ŸÊÃÊ„ Ò – (1) (1) (2) (2) (3) (3) (4) (4) 8 IX - CHEMISTRY

9. Infomatica Academy – JEE Main ÁŸêŸ◊¥‚ ∑ÊÒŸ‚ÊÿÊÒÁª∑,‚ÊÁ«ÿ◊∑Ê ’Ê ¸Ÿ≈ 22. Which of the following compounds is most reactive to an aqueous solution of sodium carbonate ? 22. ∑ ¡‹ËÿÁfl‹ÿŸ∑¬˝ÁÃ,‚flʸÁœ∑ •Á÷Á∑˝ÿʇÊË‹ „Ò? (1) (1) (2) (2) (3) (3) (4) (4) 23. In the following structure, the double bonds are marked as I, II, III and IV ÁŸêŸ‚¥⁄øŸÊ◊¥,Ám•Ê’ãœÊ¥∑ÊI, II, III ÃÕÊIV ‚ ÁøÁqà Á∑ ÿÊ ªÿÊ„Ò– 23. Geometrical isomerism is not possible at site (s) : íÿÊÁ◊ÃËÿ‚◊ÊflÿflÃÊß‚SÕÊŸ/ߟSÕÊŸÊ¥◊¥‚¥÷fl Ÿ„Ë¥ „Ò — (1) III (2) I (1) III (3) I and III (2) I (4) III and IV I ÃÕÊ III (3) III ÃÕÊ IV (4) 9 IX - CHEMISTRY

10. Infomatica Academy – JEE Main ÁŸêŸ•Á÷Á∑˝ ÿÊ ∑ Ê ◊ÈÅÿ ©à¬ÊŒ„Ò— 24. The major product of the following reaction is : 24. (1) (1) (2) (2) (3) (3) (4) (4) 10 IX - CHEMISTRY

11. Infomatica Academy – JEE Main ÁŸêŸ◊¥‚ ª‹Ã∑ÕŸ„Ò— 25. The incorrect statement among the following is : 25. (1) α-D-glucose and β-D-glucose are anomers. α-D-Ç‹Í∑Ê¡ÃÕÊβ-D-Ç‹Í∑Ê¡∞ŸÊ◊⁄„Ò¥– (1) (2) α-D-glucose and β-D-glucose are enantiomers. α-D-Ç‹Í∑Ê¡ÃÕÊβ-D-Ç‹Í∑Ê¡¬˝ÁÃÁ’ê’M¬ „Ò¥– (2) (3) Cellulose is a straight chain polysaccharide made up of only β-D-glucose units. (3) ‚‹Í‹Ê¡∞∑´¡ÈoÎ¥π‹Ê¬Ê‹Ë‚Ò∑⁄Êß«„Ò ¡Ê∑fl‹β-D-Ç‹Í∑Ê¡∞∑∑Ê¥‚ ’ŸÊ„Ò– (4) The penta acetate of glucose does not react with hydroxyl amine. Ç‹Í∑Ê¡∑ʬã≈Ê∞‚Ë≈ ≈,„Êß«˛ÊÁÄ‚‹ (4) ∞◊ËŸ 26. Which of the following is a biodegradable polymer ? ∑‚ÊÕ•Á÷Á∑˝ÿÊŸ„Ë¥∑⁄ÃÊ„Ò (1) ÁŸêŸ◊¥‚ ∑ÊÒŸ‚Ê¡ÒflÁŸêŸŸËÿ’„È‹∑„Ò? 26. (2) (1) (2) (3) (3) (4) (4) 11 IX - CHEMISTRY

12. Infomatica Academy – JEE Main 27. ÁŸêŸÿÊÒÁª∑Ê¥∑ÄflÕŸÊ¥∑Ê¥∑Ê’…∏ÃÊ„È•Ê∑˝◊„Ò— The increasing order of the boiling points for the following compounds is : C2H5Cl (II) 27. C2H5OH (I) C2H5CH3 (III) C2H5Cl (II) C2H5OH (I) C2H5CH3 (III) C2H5OCH3 (IV) C2H5OCH3 (IV) (1) (III) < (IV) < (II) < (I) (1) (III) < (IV) < (II) < (I) (2) (IV) < (III) < (I) < (II) (2) (IV) < (III) < (I) < (II) (3) (II) < (III) < (IV) < (I) (3) (II) < (III) < (IV) < (I) (4) (III) < (II) < (I) < (IV) (4) (III) < (II) < (I) < (IV) ÁŸêŸÿÊÒÁª∑Ê¥◊¥‚ „ʪÊ? Á∑‚∑ÊÁmœ˝Èfl•ÊÉÊÍáʸ‚fl Ê ¸ Á œ ∑ 28. 28. Which of the following compounds will show highest dipole moment ? (I) (II) (I) (II) (III) (IV) (III) (IV) (I) (I) (1) (2) (II) (3) (III) (4) (IV) (1) (2) (II) (3) (III) (4) (IV) 12 IX - CHEMISTRY

13. Infomatica Academy – JEE Main ÁŸêŸ•Á÷Á∑˝ÿÊ∑˝◊◊¥— 29. In the following reaction sequence : 29. The compound I is : ÿÊÒÁª∑ I „Ò — (1) (1) (2) (2) (3) (3) (4) (4) 30. Among the following compounds, the increasing order of their basic strength is : ÁŸêŸ ÿÊÒÁª∑ Ê¥ ∑ˇÊÊ⁄Ëÿ ‚Ê◊âÿ¸ ∑ Ê ’…∏ÃÊ „È•Ê ∑˝◊ „Ò — 30. (I) (II) (I) (II) (III) (IV) (III) (IV) (1) (I) < (II) < (IV) < (III) (1) (I) < (II) < (IV) < (III) (2) (I) < (II) < (III) < (IV) (2) (I) < (II) < (III) < (IV) (3) (II) < (I) < (IV) < (III) (3) (II) < (I) < (IV) < (III) (4) (II) < (I) < (III) < (IV) (4) (II) < (I) < (III) < (IV) 13 IX - CHEMISTRY