ATOMIC STRUCTURE (MAIN) FOUNDATION BUILDER (OBJECTIVE) By law of conservation of mass and change the missing particle in neutron
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1 . (A) Li? e 6 4 ATOMIC STRUCTURE (MAIN) FOUNDATION BUILDER (OBJECTIVE) By law of coservatio of mass ad cage te missig particle i eutro. (D) e ratio lies i te sequece p l M Particle Cage Mass p + + e 87 e order m P e. (D) Atomic Number = No. of protos i atom By equatio of cage 56 x x = (D) Same umber of eutros ece, Isotoes. 5. (B) Catode Ray are made of electros ece, same cage/mass ratio as of particle (B) From Mulike s oil drop experimet, it was foud tat cage o oil droplets is qualified. ece, q = e. were (B) 7. (B) f f z T 8. (D) igest wavelegt VIBGYOR lowest frequecy e.6 0 9, =,, CENTERS : MUMBAI /DELI /AKOLA /LUCKNOW / NASIK /PUNE /NAGPUR /BOKARO / DUBAI #
2 9. (C) 0. (C) Eergy freq. (D) red Wave umber (C) c E E, E. (B) 8 velocity 0 Frequecy = wavelegt (B) E ν E ν = (C) E eV ia 8900 poto x x 0 x c 5 5. (A) E absorbed E emitted out c absorbed absorbed c emitted emitted CENTERS : MUMBAI /DELI /AKOLA /LUCKNOW / NASIK /PUNE /NAGPUR /BOKARO / DUBAI #
3 6. (A) As PE = - KE PE will cage from - x to x = x x x 4 7. (A) PE T E, so first excited state 8. (D) TE.6 ad 6 PE = - 7. ev TE PE 9. (B) 0. (C). (D). (B).6.6 TE.5 9 PE TE PE.0eV TE = KE KE.5eV r A rrd.805 A r 4t r x, = r, =, z = r x < r v.8 0 v 5 v v (B) 6 CENTERS : MUMBAI /DELI /AKOLA /LUCKNOW / NASIK /PUNE /NAGPUR /BOKARO / DUBAI #
4 . (D) r a R r 4. (B) 9R r 4 a 9 Groud state of ydroge atom = () r 0.59 z 4 Å 5. (D) V, v z, v 6. (D) 6.80 V 8.0 s 0 r (C) C E c 0 = cx 0 cx 8. (C).6.6 E = (D) mvr 0.59 r mvr Agular mometum r r 0. (B) V r 4 T x e 7 8 T 7 x T 7 x = B CENTERS : MUMBAI /DELI /AKOLA /LUCKNOW / NASIK /PUNE /NAGPUR /BOKARO / DUBAI # 4
5 . (A).6 TE ev.6 T E4, ev K E E TE Li 6 E 44 x X = 44 E.6 9 x. (B) R R (b) (D) f Ke r Ke = 0.59 f x X = 6f/7 4 f Li 7 f f x 4. (C) a V r 6 (.8 0 ) = a a,be a,be,e 64 6 z 4 5. (D) Follow te expressio CENTERS : MUMBAI /DELI /AKOLA /LUCKNOW / NASIK /PUNE /NAGPUR /BOKARO / DUBAI # 5
6 r 0.59 (D) 6. (A) Follow te expressio E.6 (A) 7. (B) See teory 8. (A) + = 8 = 6 Solve tis ad we get, 6 So, (B) + = 4 =, 40. (A) R 8 = R 4 9 R c cr c cr cr ( ) ( ) We >>> te ( +) ad ( + ) c R cr 4 CENTERS : MUMBAI /DELI /AKOLA /LUCKNOW / NASIK /PUNE /NAGPUR /BOKARO / DUBAI # 6
7 CENTERS : MUMBAI /DELI /AKOLA /LUCKNOW / NASIK /PUNE /NAGPUR /BOKARO / DUBAI # 7 4. (C) mi R 0 R mi R 4. (B) max () R 4 4 R max max R 4. (B) R R R R 44. (B) E = E + E c c c 45. (C) R 9 7 R (A) 5 ) ( = 6 R = Å. 97
8 47. (A) ( ) 6 = 4, so excited state is rd 48. (B) / = / + / = / ( + ) 49. (A) R L R 4 B B x 5 9 x R 50. (C) x mv 4 x p 4 x p ( p) m v V, p 4 m (C) Mass = 00 0 kg V =.76 km s/r = m / s = mv m CENTERS : MUMBAI /DELI /AKOLA /LUCKNOW / NASIK /PUNE /NAGPUR /BOKARO / DUBAI # 8
9 5. (C) mv KE mv m m v m m m KE m m = 5. (B) r r x 6 x 54. (D) m 00g 0. V 0 v 0 ms 00 x mv x 4mv (D) Follow teory 56. (C) Follow teory 57. (A) ν.5 0z 5 ν0.5 0 z = KE = ν ν0 KE = ( ) 8. 0 J 58. (C) KE = ν ν0 v mv c c m 0 0 CENTERS : MUMBAI /DELI /AKOLA /LUCKNOW / NASIK /PUNE /NAGPUR /BOKARO / DUBAI # 9
10 c v m 0 v c 0 m (D) A B We KE TA T B T T A B mv v v B A B mv V V 4 A B Also T A T B =.50 T B = 0.50 T A = T B +.5 = = Also, 4.5 = W A + T A 4.0 = W B + T B W A = 4.5 =.5 W B = =.70 A, te V A = V B 60. (B) KA EA KB EB 4 A, B m K m K A m K B m 4 K K B A E 4E 6 K A A B A A E A A 6. (A) See teory E 4 EB 4.5 B E 4E 6 CENTERS : MUMBAI /DELI /AKOLA /LUCKNOW / NASIK /PUNE /NAGPUR /BOKARO / DUBAI # 0
11 6. (A) Orbital agular mometum = l( l ) 6 6. (A) mv 64. (C) See teory 65. (D) See teory 66. (B) l(l ) 67. (B) See teory 68. (A) See teory 69. (D) See teory 70. (D) See teory 7. (C) See teory 7. (D) See teory 7. (B) See teory 74. (C) See teory 75. (A) See teory 76. (A) See teory CENTERS : MUMBAI /DELI /AKOLA /LUCKNOW / NASIK /PUNE /NAGPUR /BOKARO / DUBAI #
12 77. (D) =, l =, m = 0, s = / Not possible 78. (C) Follow + l rule 79. (D) Follow teory 80. (A) Follow + l rule 8. (D) A g subsell will ave 9 orbitals so tere will be 8 electros 8. (C) = 5 8. (C) 6(Iro) follow electroic cofiguratio 84. (D) (D) is ot possible because P sub sell caot ave more ta 7 electros. 85. (A) 5 M d 4s Ti d 4s V d 4s Al s p 86. (A) = Fe d 4s 87. (C) 5 s (A) See cofiguratio. CENTERS : MUMBAI /DELI /AKOLA /LUCKNOW / NASIK /PUNE /NAGPUR /BOKARO / DUBAI #
13 89. (D) Same as (C) See Teory 9. (B).8 9. (C) Same as 9 9. (D).7 = 94. (B) Write te electric cofiguratio for bot Fe ad Co ad after removal of electro from I & electro from cobalt te upaired i Fe 5 ad Co. (C) 9 9 E E 9.6 0,Li,e J GET EQUIPPED TO JEE - Mai 8. (D) Al : 6 s s p s p outermost e :,. (A) 4. (B) c E E E s s p s p 4s d p subsell e CENTERS : MUMBAI /DELI /AKOLA /LUCKNOW / NASIK /PUNE /NAGPUR /BOKARO / DUBAI #
14 5. (D) d subsell 0e Orbital agular mometum same value as same orbital agular mometum. 6. (B) By rule 7. (B) r e a a 4.5a (C) 8 C (D) (D) z. (A) Atomic o. 5 M. (C) d series Balmer 4 t Lie i Balmer 6. (A) Pascal Lies : (B) 5. (A) 40 9 E (C) m caot be greater te 7. (A) CENTERS : MUMBAI /DELI /AKOLA /LUCKNOW / NASIK /PUNE /NAGPUR /BOKARO / DUBAI # 4
15 8. (D) 9. (A) 5R R (D). (A) r a 0 4 s s p No. of upaired electro total spi Magetic momet 4 8. (B) No. of agular odes. (A) 5x E x (B) 5. (C) Orbital agular mometum 6 6. (B) No. of radical odes 0 7. (B) 8. (D) p (D) 4 R CENTERS : MUMBAI /DELI /AKOLA /LUCKNOW / NASIK /PUNE /NAGPUR /BOKARO / DUBAI # 5
16 44 7R 0. (B) Mi. Max.E. (C) R R R R 4. (A) E E E CA CB BA ev eV 40 = m. (A) Miimum 4 Maximum 4 4 & 4 oly if sufficietly large umber of atoms are preset 4. (D) Sortest wavelegt implies maximum eergy 5 R 6 6 5R 6 6 5R 5. (C) Total orbitals 7 6. (B) e i orbital still Sice it as oly types of spi CENTERS : MUMBAI /DELI /AKOLA /LUCKNOW / NASIK /PUNE /NAGPUR /BOKARO / DUBAI # 6
17 L 7. (B) 5 46 x x (C) Radial sperical Agular 9. (A) S sperical (o-directioal) 40. (D) E E E c IIII 4E c EII I E ' E c ' '. (A) M Ar d B.M. Fe Ar d 6, = 4 Ti Ar d, Cr Ar d 4, 4. (C) Refer teory. (B) 4. (C) s s p s p 4s d 4, 0, m 0, s E E ev WINDOW TO JEE MAIN CENTERS : MUMBAI /DELI /AKOLA /LUCKNOW / NASIK /PUNE /NAGPUR /BOKARO / DUBAI # 7
18 5. (C) K.E. = 000 ev = KeV 6. (A) Refer teory 7. (A) m 8. (B) No. of redial odes = 5 = 9. (D) Refer teory 0. (D) Refer teory. (C) Electros eter ito =, first because for same value, value is lower for it.. (C) If = 4, 4 ( 0 to ). (C) =,, = + represets sigle orbital of d, wic ca accommodate max. electro. 4. (A) No. of odal plae 5. (C) Refer teory 6. (B) m 7. (D) Agular mometum i a orbit 5 CENTERS : MUMBAI /DELI /AKOLA /LUCKNOW / NASIK /PUNE /NAGPUR /BOKARO / DUBAI # 8
19 8. (C) (C) V 00 0 m s 4 X m V m For 4f, = 4,, m to + & 0. (D) Refer teory. (C) For tis system. (C) R 5 R R 8 5R. (A) 6, iger eergy For avig same value, sould be iger. Ioisatio etalpy Eergy required 4. (C) J mol 6.0 J atom J mol V m s J atom 4 X.9 0 m CENTERS : MUMBAI /DELI /AKOLA /LUCKNOW / NASIK /PUNE /NAGPUR /BOKARO / DUBAI # 9
20 5. (B) 6. (D) 7. (B) m 40 Eergy J atom m c c E E m 490 m z I.E. I.E. of Li 9 I.E. of Li I.E. of e J mol 8. (C) Refer teory 9. (B) m (B). (B) eergy For same, eergy m. (B) 5, m 4 orbitals 8 electros,, m, s ( electro of p). (A) CENTERS : MUMBAI /DELI /AKOLA /LUCKNOW / NASIK /PUNE /NAGPUR /BOKARO / DUBAI # 0
21 5 R R 6 4. (C),, m ( orbitals of d) 5. (D) 6. (C) z 8 E.780 J E Eergy of 7. 0 m 9 Li.6 ev If te 9 Eergy.6 ev ev 7. (C) c c mv v v c m 0 0 m 0 0 c 8. (D) T.E. = K.E. P.E. e r 9. (A) mv m 40. (D) Eergy KJ mol CENTERS : MUMBAI /DELI /AKOLA /LUCKNOW / NASIK /PUNE /NAGPUR /BOKARO / DUBAI #
22 J atom 6.00 E s 4 4. (D) Rb Kr5s 5, 0, m 0, s 4. (C) E.6 ev If = te E.4 ev 4. (B) Refer teory 44. (C) mqv mqv mev 45. (D) No. of orbital 5 CENTERS : MUMBAI /DELI /AKOLA /LUCKNOW / NASIK /PUNE /NAGPUR /BOKARO / DUBAI #
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. (A) Li? e 6 ATOMIC STRUCTURE (ADVANCED) FOUNDATION BUILDER (OBJECTIVE) By law of coservatio of mass ad cage te missig particle i eutro. (D) e ratio lies i te sequece p l M Particle Cage Mass + + + p
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