Q49.

\multirow{6}{*}{Match List I with List II}		List-I		List-II
		(Name of the test)		(Reaction sequence involved) [ M is metal]
	A.	Borax bead test	I.	$\mathrm { MCO } _ { 3 } \rightarrow \mathrm { MO } \xrightarrow { \mathrm { Co } \left( \mathrm { NO } _ { 3 } \right) _ { 2 } } \mathrm { CoO } \cdot \mathrm { MO }$
	B.	Charcoal cavity test	II.	$\mathrm { MCO } _ { 3 } \rightarrow \mathrm { MCl } _ { 2 } \rightarrow \mathrm { M } ^ { 2 + }$
	C	Cobalt nitrate test	III	$\mathrm { MSO } _ { 4 } \xrightarrow [ \Delta ] { \mathrm { Na } _ { 2 } \mathrm {~B} _ { 4 } \mathrm { O } _ { 7 } } \mathrm { M } \left( \mathrm { BO } _ { 2 } \right) _ { 2 } \rightarrow \mathrm { MBO } _ { 2 } \rightarrow \mathrm { M }$
	D.	Flame test	IV	$\mathrm { MSO } _ { 4 } \xrightarrow [ \Delta ] { \mathrm { Na } _ { 2 } \mathrm { CO } _ { 3 } } \mathrm { MCO } _ { 3 } \rightarrow \mathrm { MO } \rightarrow \mathrm { M }$

Choose the correct answer from the options given below:
(1) A-III, B-II, C-IV, D-I
(2) A-III, B-IV, C-I, D-II
(3) A-III, B-I, C-II, D-IV
(4) A-III, B-I, C-IV, D-II
Q50. [Figure]
The incorrect statement regarding the given structure is
(1) can be oxidized to a dicarboxylic acid with $\mathrm { Br } _ { 2 }$ water
(2) will coexist in equilibrium with 2 other cyclic structure
(3) despite the presence of - CHO does not give
(4) has 4 asymmetric carbon atom Schiff's test

49. (4) & 50 . (4) & 51. (1724) & 52. (2) \hline $57 . ( 74 )$ & 58. (2) & 59. (9) & 60. (9) \hline 65. (2) & 66. (1) & 67. (4) & 68. (2) \hline 73. (1) & 74. (3) & 75. (4) & 76. (4) \hline 81. (2) & 82. (1505) & 83. (1) & 84. (40) \hline 89. (4) & 90. (11) & & \hline \end{tabular}

1. (4)
2. (2)
3. (100)
4. (2)
5. (2)
6. (2)
7. (38)
8. (1)
9. (2)
10. (2)
11. (6)
12. (2)
13. (2)
14. (2)
15. (5)
16. (2)
17. (4)
18. (1)
19. (1)
20. (2)
21. (3)
22. (33)
23. (1)
24. (4)
25. (40)
26. (2)
27. (2)
28. (2)
29. (1)
30. (2)
31. (1)
32. (4)
33. (128)
34. (3)
35. (2)
36. (6)
37. (2)
38. (2)
39. (1)
40. (22)
41. (2)
42. (1)
43. (4)
44. (7)

Q49.
Identify major product " X " formed in the following reaction : [Figure]
(1) [Figure]
(2) [Figure]
(3) [Figure]
(4) [Figure]
Q50. [Figure]
What is the structure of C
(1) [Figure]
(2) [Figure]
(3) [Figure]
(4) [Figure]

49. (4) & 50. (1) & 51. (58) & 52. (6) \hline 57. (3) & 58. (7) & 59. (6) & 60. (0) \hline 65. (1) & 66. (4) & $67 . ( 2 )$ & 68. (3) \hline 73. (2) & 74. (1) & 75. (4) & 76. (3) \hline $81 . ( 70 )$ & $82 . ( 1011 )$ & 83. (36) & 84. (80) \hline 89. (252) & 90. (62) & & \hline \end{tabular}
\begin{tabular}{|l|l|l|l|} \hline 5. (3) & 6. (2) & 7. (2) & 8. (2) \hline 13. (4) & 14. (3) & 15. (3) & 16. (4) \hline 21. (150) & 22. (58) & 23. (3) & 24. (1027) \hline 29. (4) & 30. (4) & 31. (1) & 32. (3) \hline 37. (1) & 38. (4) & 39. (4) & 40. (2) \hline

Q50. Which of the following is the correct structure of L-Glucose?
(1) [Figure]
(2) [Figure]
(3) [Figure]
(4) [Figure]

Q50.

\multirow{5}{*}{Match List I with List II}		List - I		List - II
	A.	$\alpha$ - Glucose and $\alpha$ - Galactose	I.	Functional isomers
	B.	$\alpha$ - Glucose and $\beta$ - Glucose	II.	Homologous
	C.	$\alpha$ - Glucose and $\alpha$ - Fructose	III.	Anomers
	D.	$\alpha$ - Glucose and $\alpha$ - Ribose	IV.	Epimers

Choose the correct answer from the options given below:
(1) A-IV, B-III, C-I, D-II
(2) A-III, B-IV, C-I, D-II
(3) A-IV, B-III, C-II, D-I
(4) A-III, B-IV, C-II, D-I

Q50. Which of the following gives a positive test with ninhydrin?
(1) Starch
(2) Egg albumin
(3) Polyvinyl chloride
(4) Cellulose
Q51.9.3 g of pure aniline is treated with bromine water at room temperature to give a white precipitate of the product ' P '. The mass of product ' P ' obtaind is 26.4 g . The percentage yield is $\_\_\_\_$ $\%$.

Q50. Coagulation of egg, on heating is because of :
(1) The secondary structure of protein remains
(2) Denaturation of protein occurs unchanged
(3) Biological property of protein remains unchanged(4) Breaking of the peptide linkage in the primary structure of protein occurs

Q50. DNA molecule contains 4 bases whose structure are shown below. One of the structures is not correct, identify the incorrect base structure.
(1) [Figure]
(2) [Figure]
(3) [Figure]
(4) [Figure]
Q51.Frequency of the de-Broglie wave of electron in Bohr's first orbit of hydrogen atom is $\_\_\_\_$ $\times 10 ^ { 13 } \mathrm {~Hz}$ (nearest integer). [0pt] [Given : $\mathrm { R } _ { \mathrm { H } } ($ Rydberg constant $) = 2.18 \times 10 ^ { - 18 } \mathrm {~J} , h$ (Plank's constant) $= 6.6 \times 10 ^ { - 34 }$ J.s.]

Q50. Given below are two statements : Statement (I) : All the following compounds react with p-toluenesulfonyl chloride. $\mathrm { C } _ { 6 } \mathrm { H } _ { 5 } \mathrm { NH } _ { 2 } \quad \left( \mathrm { C } _ { 6 } \mathrm { H } _ { 5 } \right) _ { 2 } \mathrm { NH } \quad \left( \mathrm { C } _ { 6 } \mathrm { H } _ { 5 } \right) _ { 3 } \mathrm {~N}$ Statement (II) : Their products in the above reaction are soluble is aqueous NaOH . In the light of the above statements, choose the correct answer from the options given below
(1) Statement I is false but Statement II is true
(2) Statement I is true but Statement II is false
(3) Both Statement I and Statement II are true
(4) Both Statement I and Statement II are false

Q50. The incorrect statement about Glucose is :
(1) Glucose is soluble in water because of having aldehyde functional group
(2) Glucose remains in multiple isomeric form in its aqueous solution
(3) Glucose is one of the monomer unit in sucrose
(4) Glucose is an aldohexose

Q51. The de-Broglie's wavelength of an electron in the $4 ^ { \text {th } }$ orbit is
$$\pi \mathrm { a } _ { 0 } \cdot \left( \mathrm { a } _ { 0 } = \text { Bohr's radius } \right)$$

Q51. The maximum number of orbitals which can be identified with $\mathrm { n } = 4$ and $m _ { l } = 0$ is $\_\_\_\_$

Q51. In an atom, total number of electrons having quantum numbers $\mathrm { n } = 4 , \left| \mathrm {~m} _ { l } \right| = 1$ and $\mathrm { m } _ { \mathrm { s } } = - \frac { 1 } { 2 }$ is $\_\_\_\_$

Q51. Consider the following reactions $\mathrm { NiS } + \mathrm { HNO } _ { 3 } + \mathrm { HCl } \rightarrow \mathrm { A } + \mathrm { NO } + \mathrm { S } + \mathrm { H } _ { 2 } \mathrm { O }$ $\mathrm { A } + \mathrm { NH } _ { 4 } \mathrm { OH } + \mathrm { H } _ { 3 } \mathrm { C } - \mathrm { C } = \mathrm { N } - \mathrm { OH }$ $\rightarrow \mathrm { B } + \mathrm { NH } _ { 4 } \mathrm { Cl } + \mathrm { H } _ { 2 } \mathrm { O }$ The number of protons that do not involve in $\mathrm { H } _ { 3 } \mathrm { C } - \mathrm { C } = \mathrm { N } - \mathrm { OH }$ hydrogen bonding in the product $B$ is $\_\_\_\_$ .
Q52.For hydrogen atom, energy of an electron in first excited state is $- 3.4 \mathrm { eV } , \mathrm { K }$. E. of the same electron of hydrogen atom is $x \mathrm { eV }$. Value of $x$ is $\_\_\_\_$ $\times 10 ^ { - 1 } \mathrm { eV }$. (Nearest integer)

Q51.
A hypothetical electromagnetic wave is show below. [Figure]
The frequency of the wave is $x \times 10 ^ { 19 } \mathrm {~Hz} . x =$ $\_\_\_\_$ (nearest integer)

Q51. Wavenumber for a radiation having $5800 \tilde { A } \ldots$ wavelength is $x \times 10 \mathrm {~cm} ^ { - 1 }$. The value of $x$ is $\_\_\_\_$ (Integer answer)

Q51. Molarity (M) of an aqueous solution containing $x$ g of anhyd. $\mathrm { CuSO } _ { 4 }$ in 500 mL solution at $32 ^ { \circ } \mathrm { C }$ is $2 \times 10 ^ { - 1 } \mathrm { M }$. Its molality will be $\_\_\_\_$ $\times 10 ^ { - 3 } \mathrm {~m}$. (nearest integer). [Given density of the solution $= 1.25 \mathrm {~g} / \mathrm { mL }$ ]

Q51. Based on Heisenberg's uncertainty principle, the uncertainty in the velocity of the electron to be found within an atomic nucleus of diameter $10 ^ { - 15 } \mathrm {~m}$ is $\_\_\_\_$ $.10 ^ { 9 } \mathrm {~ms} ^ { - 1 }$ (nearest integer) [Given : mass of electron $= 9.1 \times 10 ^ { - 31 } \mathrm {~kg}$, Plank's constant $\left. ( h ) = 6.626 \times 10 ^ { - 34 } \mathrm { Js } \right]$ (Value of $\pi = 3.14$ )

Q52. Number of molecules/species from the following having one unpaired electron is $\mathrm { O } _ { 2 } , \mathrm { O } _ { 2 } ^ { - 1 } , \mathrm { NO } , \mathrm { CN } ^ { - 1 } , \mathrm { O } _ { 2 } ^ { 2 - }$

Q52. Number of compounds / species from the following with non-zero dipole moment is $\_\_\_\_$ $\mathrm { BeCl } _ { 2 } , \mathrm { BCl } _ { 3 } , \mathrm { NF } _ { 3 } , \mathrm { XeF } _ { 4 } , \mathrm { CCl } _ { 4 } , \mathrm { H } _ { 2 } \mathrm { O } , \mathrm { H } _ { 2 } \mathrm {~S} , \mathrm { HBr } , \mathrm { CO } _ { 2 } , \mathrm { H } _ { 2 } , \mathrm { HCl }$

Q52. The value of Rydberg constant $\left( R _ { H } \right)$ is $2.18 \times 10 ^ { - 18 } \mathrm {~J}$. The velocity of electron having mass $9.1 \times 10 ^ { - 31 } \mathrm {~kg}$ in Bohr's first orbit of hydrogen atom $=$ $\_\_\_\_$ $\times 10 ^ { 5 } \mathrm {~ms} ^ { - 1 }$ (nearest integer).

Q52. Number of compounds from the following with zero dipole moment is $\_\_\_\_$ $\mathrm { HF } , \mathrm { H } _ { 2 } , \mathrm { H } _ { 2 } \mathrm {~S} , \mathrm { CO } _ { 2 } , \mathrm { NH } _ { 3 } , \mathrm { BF } _ { 3 } , \mathrm { CH } _ { 4 } , \mathrm { CHCl } _ { 3 } , \mathrm { SiF } _ { 4 } , \mathrm { H } _ { 2 } \mathrm { O } , \mathrm { BeF } _ { 2 }$

Q52. Number of molecules from the following which can exhibit hydrogen bonding is $\_\_\_\_$ (nearest integer) [Figure]

Q52. Number of molecules from the following which are exceptions to octet rule is $\_\_\_\_$ $\mathrm { CO } _ { 2 } , \mathrm { NO } _ { 2 } , \mathrm { H } _ { 2 } \mathrm { SO } _ { 4 } , \mathrm { BF } _ { 3 } , \mathrm { CH } _ { 4 } , \mathrm { SiF } _ { 4 } , \mathrm { ClO } _ { 2 } , \mathrm { PCl } _ { 5 } , \mathrm { BeF } _ { 2 } , \mathrm { C } _ { 2 } \mathrm { H } _ { 6 } , \mathrm { CHCl } _ { 3 } , \mathrm { CBr } _ { 4 }$ Q53. [Figure]
Consider the figure provided. 1 mol of an ideal gas is kept in a cylinder, fitted with a piston, at the position A , at $18 ^ { \circ } \mathrm { C }$. If the piston is moved to position B , keeping the temperature unchanged, then ' $x$ ' $L \mathrm {~atm}$ work is done in this reversible process. $x =$ $\_\_\_\_$ L atm . (nearest integer) [Given : Absolute temperature $\left. = { } ^ { \circ } \mathrm { C } + 273.15 , \mathrm { R } = 0.08206 \mathrm {~L} \mathrm {~atm} \mathrm {~mol} ^ { - 1 } \mathrm {~K} ^ { - 1 } \right]$