=
NEET 29 v/;k;okj YEARS
2
mc
H2O
lkWYo~M isij
jlk;u foKku CH2
2
mc
E=
1993&2021 is i j CH 2
C2H8
CP Publication
Model Test Paper
Download eCareerPoint App
Years AIPMT CHAPTERWISE SOLVED PAPERS
Information contained in this work has been obtained by Career Point from sources believed to be reliable. However, neither Career Point nor its authors guarantee the accuracy or completeness of any information published herein, and neither Career Point nor its authors shall be responsible for any errors, omissions, or damages arising out of use of this information. This work is published with the understanding that Career Point and its authors are supplying information but are not attempting to render any professional services. If such services are required, the assistance of an appropriate professional should be sought.
CP Tower, Road No.-1, IPIA, Kota (Raj.) Email :
[email protected]
No part of this publication may be reproduced or distributed in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise or stored in a database or retrieval system without the prior written permission of the Publishers. The program listings (if any) may be entered, stored and executed in a computer system, but they may not be reproduced for publication.
This edition can be exported from India only by the publisher.
Published by Career Point Ltd. CP Tower, Road No.-1, IPIA, Kota (Raj.) Email :
[email protected] Book No. : CPP-171
Preface
AIPMT (NEET)
1993
2021 Concept
`
Content Development team
Career Point Ltd.
.
CONTENTS Chapter 1. Answers & Solutions
1-7 4
Answers & Solutions
8-15 12
Answers & Solutions
16-24 21
Answers & Solutions
25-33 30
Answers & Solutions
34-39 37
Answers & Solutions
40-58 49
Answers & Solutions
59-76 68
Answers & Solutions
77-82 80
Answers & Solutions
83-90 87
Answers & Solutions
91-97 95
Answers & Solutions
98-107 103
Answers & Solutions
108-118 114
Answers & Solutions
119-127 124
Answers & Solutions
128-132 131
2.
3.
4.
5
6.
7.
8.
9.
10.
11.
12.
13
14.
Page No.
`
Chapter 15.
sAnswers & Solutions
`
16.
17.
18.
Answers & Solutions
Answers & Solutions
143-153 149
d & fAnswers & Solutions
154-162 159
Answers & Solutions
163-176 170
Answers & Solutions
177-195 188
Answers & Solutions
196-208 203
Answers & Solutions
209-212 211
(X) Answers & Solutions
213-219 217
Answers & Solutions
220-245 235
Answers & Solutions
246-259 254
Answers & Solutions
260-267 264
Answers & Solutions
268-272 271
Answers & Solutions
273-280 278
Model Test Papers Answers & Solutions
281-288 286
p-
20.
21.
22.
24.
25.
26.
27.
28.
29. ,,
133-139 137 140-142 142
19.
23.
Page No.
Chapter
1 1.
4.4 gm CO2 (A) 1.2 × 1023 (C) 6 × 1023
(B) 6 × 1022 (D) 12 × 1023
: [1993]
9.
H2
O2
8 : 1 ?
(A) 1 : 1
(B) 2 : 1
10. 10 5 B
2.
11 5 B
10 5 B
11 5 B
:
(A) 19/81 (C) 15/16
[1994] 11.
(B) 20/53 (D) 10/11
3. (29.2 – 20.2)(1.79 10 5 ) 1.39 (A) 3 (B) 1 (C) 4 4.
9.85 CO2 (A) 2.24 L (C) 0.84 L
`
10.81
[1994] (D) 2
Se
(A) 1.568 × 10 (C) 15.68
(Zn = 65, S = 32, O = 16 and H = 1) (A) 33.65% (B) 32.56% (C) 23.65% (D) 22.65% 6.
[1995]
[1995]
8.
161 0.0161 (A) 3,3,3
(C) 3
(D) 4
(C) 3,2,3
: [1998] (D) 3,4,4
1.61
(B) 3,4,3
(B) 2 gm H2 (D) 16 gm O2
14.
: [2004] (A) (B) (C) (D)
67, 200
(B) 2
: [2001] 3 (B) 1.568 × 10 (D) 2.136 × 104 : [2002]
(A) 7 gm N2 (C) 16 gm NO2
0.33%
(A) 1
4
13.
C60H22 [1995] (A) 1.2 × 10–20 gram (B) 1.4 × 10–21 gram (C) 5.025 × 1023 gram (D) 6.023 × 1023 gram
7.
[2000]
0.5%
(B) 4.2 NA (D) 1.6 NA
(white Vitriol - ZnSO4.7H2O)
BaSO3
(virus particle) 6.02 × 10–2 cc/gm 7 A 10 A NA = 6.02 × 1023 [2001] (A) 15.4 kg/mol (B) 1.54 × 104 kg/mol (C) 3.08 × 104 kg/mol (D) 3.08 × 103 kg/mol
[1994] (A) 2.1 NA (C) 3.2 NA
[1999] (D) 1 : 2
: (B) 1.12 L (D) 0.56 L
12.
4.2g N3–
5.
(C) 4 : 1
15. : (A) 0.5 g (B) 10 g (C) (D)
[2004]
15 5
2
TOPIC- WISE NEET (AIPMT)
16.
270 kg
23.
Questions with Solutions
25.3 g
, Na2CO3 250 mL
(
)
:
= 27) : (B) 540 kg (D) 180 kg
(Al (A) 270 kg (C) 90 kg 17.
= 106 g mol–1) [2010] (Na2CO3 (A) 0.955 M and 1.910 M (B) 1.910 M and 0.955 M (C) 1.90 M and 1.910 M (D) 0.477 and 0.477 M
KI KMnO4 (A) 1 (C) 5
18.
: (B) 2 (D) 1/5
[2005] 24.
X 200
X : 90% X : 8.0% 202 X : 2.0%
(A) 6.026 × 1022 (C) 3.600 × 1023
199
`
X
: (A) 200amu (C) 202 amu 19.
1
[2007]
(C3H8)
(
26.
(0ºC
1 atm
6.5g PbO
(B) 7 L (D) 5 L
(
AgCl : (A) 0.001 (C) 0.003 27.
? (B) 0.044 (D) 0.011 = 1 g cm–3)
28.
22.4
H2(g)
11.2
Cl2(g)
C, H, 9.67% [2008] (B) CH3O (D) CHO
1.0 g
: (B) 2 (D) 1.5
[2014] HCl(g) HCl(g)
0.56g O2 ?
[2014]
(Mg = 24; O = 16) (A) Mg, 0.16g (B) O2, 0.16 g (C) Mg, 0.44 g (D) O2, 0.28 g
22.
(A) CH4O (C) CH2O
[2013] (B) 0.002 (D) 0.01
HCl(g) (A) 1 HCl(g) (C) 0.5 HCl(g)
[2008]
[2008] (B) 9.0 × 10–23 cm3 (A) 5.5 × 10–23 cm3 (C) 6.023 × 10–23 cm3 (D) 3.0 × 10–23 cm3
38.71%
(III) AgNO3
3.2g HCl
(II) (A) 0.029 (C) 0.333 21.
(B) 44 g CO2 (D) 8 g H2
0.01 100 mL
) [2008]
(A) 10 L (C) 6 L
? [2011] (A) 64 g SO2 (C) 48 g O3
) 0ºC
0.1 mol ? (NA = 6.02 × 1023 mol–1) [2010] (B) 1.806 × 1023 (D) 1.800 × 1022
25.
(B) 201 amu (D) 199 amu
L
1 atm
20.
, CO32–
Na+
[2005]
H2
29.
1 : 4 (w/w) ? (A) 1 : 4 (C) 16 : 1
O2 [2015]
(B) 4 : 1 (D) 2 : 1
3 30.
:
34.
(B) 18
(A) 18 18
(C)
[2015]
XY2
(D) 1.8
[2015]
(A)
10 g
X
Y
(B) 60, 40 (D) 30, 20 20
(A) 30
(B) 40
(C) 10
[2019] (D) 20
36. ?
20.0 g 8.0 g
(A) 60 33.
XY2
9g
35.
(C)
32.
0.1 X3Y2
(A) 40, 30 (C) 20, 30
(B) (D)
Y
[2016]
6.022 × 1020 mol–1 :
X3Y2
0.05
NA, 6.022 × 1023 mol–1
31.
X
(B) 84
(C) 75
50 mL, 16.9% AgNO3
? [2015] (D) 96 50 mL,
[2020]
(A) Mg(s) (B) O2(g)
1 g [Mg 1 g [O
= 24] = 16]
(C) Li (s)
1 g [Li
= 7]
(D) Ag(s)
1 g [Ag
37.
= 108] 78% (
5.8% NaCl ? [2015] (Ag = 107.3, N = 14, O = 16, Na = 23, Cl = 35.5) (A) 7g (B) 14g (C) 28g (D) 3.5 g
) :[
C = 12, H = 1] (A) CH4 (B) CH
(C) CH2
[2021] (D) CH3
4
TOPIC- WISE NEET (AIPMT)
Questions with Solutions
ANSWERS 1. (A)
2. (A)
3. (A)
4. (D)
5. (D)
6. (B)
7. (D)
8. (A)
9. (D)
10. (B)
11. (A)
12. (A)
13. (B)
14. (D)
15. (C)
16. (C)
17. (A)
18. (A)
19. (D)
20. (A)
21. (D)
22. (B)
23. (B)
24. (B)
25. (D)
26. (A)
27. (A)
28. (A)
29. (B)
30. (B)
31. (D)
32. (B)
33. (A)
34. (A)
35. (A)
36. (C)
37. (D)
SOLUTIONS 1.
2.
44 gm. CO2 = 1 mol. CO2 4.4 gm. CO2 = 0.1 mol. of CO2 CO2 = 6.0 × 1023 0.1 CO2 = 6.0 × 1022 No of O-atoms in 1 CO2 molecule are 2 = 2 × 6 × 1022 No of O-atoms in 4.4 gm CO2 = 2 × 6 × 1022 = 12 × 1022 = 1.2 × 1023 5B
7. = = 8.
100
67200 0.33 = 4. 100 56
161 0.0161
1.61
11
x:y 10x 11y 10.81 = x y 10.81 x + 10.81 y = 10x + 11y 0.81x = 0.19y x 19 = y 81
9.
H2 H2
O2
2 gm
O2
8:1 8 × 2 : 1 × 32
10.
BaCO 3 197.33g
3.
BaO + CO2 22.4lit
1937.33 g BaCO3
N7 = 2, 5 N–3 = (5 × 3) + 1 = 16
5.
ZnSO4 7H2O = 65 + 32 + 4 × 16 + 7 (2 × 1 + 16) = 287
6.
= =
11.
= 22.4 lit CO2 22.4 × 9.85lit CO2 197.33 = 1.118 lit. 1.12 lit
9.85g BaCO3
4.
=
= r2l = 3.14 × (7 × 10–8)2 × (10 × 10–8) = 3.14 × 49 × 10–16 × 10–7 = 153.86 × 10–23 c.c. =
H122
=
842 23
6.023 10 = 1.4 × 10–21 gm.
32 gm
153.86 10 –21 6.02 10 – 2
gm
153.86 10 –21 × 6.02 × 1023 6.02 = 15.4 kg/mol.
=
5 12.
0.5% Se
17.
78.4 gm Se
OH –
7
6
KMnO 4
K 2 MnO 4
Mn KI,
100 × 78.4 = 156.8 × 102 m 0.5 = 1.568 × 104 gm
=
KMnO4 18.
13.
=
× NA
A =
7 NA = 0.25 NA 28 2 NA = NA (2) 2 16 (3) NA = 0.347 NA 46 16 (4) NA = 0.5 NA 32 (1)
A =
A( x i ) xi 200 0.9 199(0.08) 1
202(0.02)
A = 200 a.m.u. 19.
C3H8 + 5O2 3CO2 + 4H2O 1 mol 5 × 22.4 ltr 22.4 ltr 5 × 22.4 ltr 1 ltr 5 ltr
20.
PbO 223
14.
15. 0.5 × 3.023 × 1023 2 10 (B) × 6.023 × 1023 32 15 (C) × 6.023 × 1023 22.4 5 (D) × 6.023 × 1023 22.4
PbO
(A)
16.
=
0.5 ×2 223 )
= 0.058 ( eq. of HCl =
3.2 × 1 = 0.08767 36.5 = PbCl2
PbO
0.058 = n × z 0.058 n= = 0.029 2
27 = 9. 3 12 = = 3. 4
Al
+ 2HCl PbCl2 + H2O + 73 278 gm 6.5 gm 3.2 gm
=
C
21. 18 cm 3
C
270 10 3 = 3×103 9 = 30 × 103
C
=
6.023 10
23
= 3 × 10–23 cm3
=
Al
30 × 103 =
22.
C
38.71
O
51.62
H
9.67
(gm )
3 = 3 × 30 × 103 = 90 × 103 gm. = 90 kg.
38.71 = 3.226 12 51.62 = 3.226 16 9.67 = 9. 67 1 = CH3O
1 1 3
6
TOPIC- WISE NEET (AIPMT)
23.
(M) =
29.
wt 1000 mol.wt. vol(ml) 25.3 1000 × 106 250 = 0.955 mol/L of Na2 CO3 Na2CO3 2Na+ + CO3–2
=
0.1 × 3 × 6.023 × 1023 = 1.806 × 1023
25. 26.
27.
=
H2 + Cl2 2HCl 22.4 n H2 = = 1 ; n Cl2 22.4 L.R. H2 Cl2 1 1 1 2 1 1 2 Cl2, L.R. n HCl n Cl2
2
:
O2
1
:
4
1 2
:
4 32
:
1 8 4:1
18 g H2O = 1 mol H2O 6.02 × 1023
H2O
18 mol H2O , 18 × 6.02 × 1023 H2O 1.8 g H2O, 0.1 mol H2O = 0.1 × 6.02 × 1023 = 6.02 × 1022 31. NA : 6.023 × 1023
12g
11.2 22.4
1 2
12 6.022 10 20 6.023 10 23
32.
MgCO3
MgO + CO2
84 g MgCO3
40g MgO
84 8 = 16.8 g MgCO3 40
8g
1 = 1 mol. 2
2Mg + O2 2MgO 1 ~ 0.56 nMg = 0.042 & n O 2 = = 0.0175 24 32 L.R. Mg O2 0.042 0.0175 = 0.021 = 0.0175 2 1 O2, LR Mg nMg, reacted = 0.0175 × 2 = 0.035 nMg, unreacted = 0.007 nMg, remained = 0.007 × 27 = 0.16g
6.022 × 1020
12g
1
nHCl = 2 × 28.
30.
8 NA = 4NA 2
AgNO3 + [Cr(H2O)4Cl2]Cl AgCl = MV(lit) 100 = 0.01 × = 0.001 1000
H2
1 2 4 :1 8
[Na+] = 2 × 0.955 = 1.910 M [CO3–2] = 0.955 M 24.
Questions with Solutions
% purity =
33.
16.8 × 100 = 84% 20
AgNO3
(M) =
16.9 10 = 1.0 M 169.3
5.8 × 10 = 0.9914M 58.5 AgCl + NaNO3 AgNO3 + NaCl 0.99 M 50 0.99 50 n= 1000 1000 =
NaCl
~ 0.05 AgCl AgCl
~ 0.05 = 0.05 = 0.05 × 142.5 = 7 g
7 34.
XY2 0.1
36.
= 10 g
w
=
× NA ×
= ? = 100 g mol wt X3Y2 0.05 1
=9g 9 =?= 180g mol.wt 0.05
XY2 a + 2b = 100 X3Y2 3a + 2b = 180 (2) – (1) 2a = 80 a = 40 b = 30
(1) …(2)
(A)
1 NA 1 7
(B)
1 NA 1 108
(C)
1 NA 1 24
(D)
1 NA 2 32
37. C
78%
H
22%
CH3 35.
N2 + 3H2 2NH3 =? 20 2× H2 = 3 × NH3 2 × x = 3 × 20 x = 30
78 12 22 1
6.5 22
6.5 1 6.5 22 3.38 3 6.5
Chapter
2 7.
1.
( (A) 1 : 2 : 3
0°C [1993]
(B) 1 :
(A) (B) (C) (D) 2.
300 K 2gm
2 :
3
(C)
2 :
3 :
8/
(D)
2 :
8/
: 3
27ºC
(A) (C) 9.
1 atm
(B) (D)
50 ml 20
40 ml
d
:
0.75d : [1993] (A) 400K (B) 800K (C) 600K (D) 450K 4. 2 mole litre–1 [1993]
2 atm :
[1994]
(A) 12 (C) 64
(B) 8 (D) 32
10. :
[1995]
(A)
(A) STP V = 22.4 (B) (C) T = 12K (D) O2
[1994]
[1994]
0.75 atm
: [1993] (A) 900K (B) 800K (C) 600K (D) 450K
5.
:
8.
1 atm
3.
)
(B) Tc (C) (D)
23ºC
Pc Tc Pc
751 mm Hg 11.
(23ºC O2 (A) 21mm Hg (C) 0.96 atm 6.
S.T.P. (A) (B) (C) (D)
0.50 mol H2
V.P. 21 mm Hg ) [1993] (B) 751mm Hg (D) 1.02 atm 1.0
: HCl [1993]
21% (A) 2.10 (C) 0.186 12.
[1995] (B) 0.0093 (D) 0.21 :
(A) (B) (C) (D)
[1995]
9 13. (A) 550K (C) 350K 14.
S.T.P.
1 atm 3 atm
[2006] 2 atm 4 atm
H2SO4 ? (B) 6.5 gm (D) 0.065 gm
?
22.
23.
:
[1998] (B) 1.00 A (D) 1.15 A
400ml 600
:
[1999] (B) Zero (D) 9 lit.atm.
500 3
666.6ml
19. (
(A) 4 : 1 (C) 8 : 1
(A) (B) (C) (D)
, , , ,
[2002]
1 : 4
[2005]
[2008] (A) (B) (C) (D)
(B) CO2, N2O (D) H2 O2 H2 : O2 : (B) 1 : 8 (D) 1 : 2
20
26.
) [1999]
(A) NO2, CO2 (C) NO2, N2O
8:1
(R = 2 cal/mol K) : (B) Zero (D) 9.2
20ºC 400mm Hg 120 mm Hg : (A) 0.549 (B) 0.478 (C) 0.200 (D) 0.786
[1999]
20.
(A) 92.1 (C) 4
25.
(B) 400 (D) 50
(A) 200 (C) 600
2
[2002] 300 K
E (A) 163.7cal (C) 1381.1cal
2
(B) KE > KE2 (D)
24.
17.
18.
27ºC
x60º
(A) 0.575 A (C) 2.00 A
N2 [2001]
(A) KE1 = KE2 (C) KE1 < KE2
[1996] (B) 6.17 × 10–21 (D) 7.16 × 10–21
1.00 A
CO :
25ºC (A) 61.7 × 10–21 (C) 6.17 × 10–20
KE [2000]
(A) KE CO < KE N2 (B) KE CO > KE N2 (C) KE CO = KE N2 (D)
[1996]
:
16.
N2
224 ml
(A) 0.65 gm (C) 65 gm 15.
CO
21. ? (B) 450K (D) 250K
27. [2000]
(
) ? [2011]
(A) 1.4 (C) 2.8
(B) 2.0 (D) 4.0
१ लाख से अ धक व ा थय के व वास के साथ
कोटा क
BEST LIVE COACHING अब आपके घर
eCareerPoint Advantage
REC
Regular Live Classes
Recorded Video Lectures
Top Faculty for Online Coaching
Printed Study Material
Live Interactive Doubt Removal
Quizzes & eBooks
Daily Practice Problem Sheets
Personalised Feedback
Online Test Series
Motivational Seminar
eCareerPoint Learning App
Google Play CPP-171
Also Available at
` 340.00
Kota Coaching At Home cppublication.com, eCareerPoint.com
[email protected]
cppublication.com eCareerPoint.com
Buy Online at http://book.cppublication.com