InterviewSolution
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InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
Compound A will be : A. B. C. D. |
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Answer» Correct Answer - B |
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| 52. |
Select the correct optionA. Entropy is function of temperature and also entropy change is function of temperature.B. Entropy is a function of temperature & entropy change is not a function of temperature.C. Entropy is not a function of temperature & entropy change is a function of temperatureD. Both entropy & entropy change are not a function of temperature |
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Answer» Correct Answer - A |
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| 53. |
A compound (A , `B_3N_3H_3Cl_3`) reacts with `LiBH_4` to form inorganic benzene (B). (A) reacts with (C) to form `B_3N_3H_3(CH_3)_3`. (B) and (C) are respectivelyA. Boron nitride, MeMgBRB. Boron nitride, MeBrC. Borazine, MeBrD. Borazine, MeMgBr |
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Answer» Correct Answer - D |
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| 54. |
The reaction of `H_(3)N_(3)B_(3)Cl_(3)(A)` with `LiBH_(4)` in tetrahydrofuran gives inorganic benzene (B). Further, the reaction of (A) with (C) leads of `H_(3)N_(3)B_(3)(Me)_(3)`. Compounds (B) and (C) respectively , are :A. Boran nitride and MeBrB. Diborane and MeMgBrC. Borazine and MeBrD. Borazine and MeMgBr |
| Answer» Correct Answer - D | |
| 55. |
Calculated the mass of `FeSO_(4).7H_(2)O`, which must be added in 100 kg of wheat to get 10 PPM of Fe. |
| Answer» Correct Answer - 4.96 g | |
| 56. |
Number of chiral centres in Pencillin is |
| Answer» Correct Answer - 3 | |
| 57. |
Monomer(s) of which of the given polymer is chiral?A. Buna-SB. NeopreneC. Nylon-6,6D. PHBV |
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Answer» Correct Answer - D |
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| 58. |
Number of chiral centers in chloramphenicol is : |
| Answer» Correct Answer - B | |
| 59. |
`(p to q) wedge (q to -p)` is equivalent toA. `-p`B. pC. `p wedge q`D. `p vee q` |
| Answer» Correct Answer - A | |
| 60. |
If `g(x)=x^(2)+x+x-1 and g(f(x))=4x^(2)-10x+5` then find `f((5)/(4))`A. `3/2`B. `-(3)/(2)`C. `1/2`D. `-(1)/(2)` |
| Answer» Correct Answer - D | |
| 61. |
An unbaised coin is thrown 5 times. Let X be a random variable and k be the value of assigned to X for k=3,4,5 times Head occurs consecutively and otherwise the value of X is assigned -1. What is value of expection.A. `1/8`B. `-3/16`C. `-(1)/(8)`D. `(3)/(16)` |
| Answer» Correct Answer - A | |
| 62. |
`(p to q) wedge (q to -p)` is equivalent toA. qB. `~q`C. pD. `~p` |
| Answer» Correct Answer - D | |
| 63. |
For the following reactions where, `z^(-) = CH_3CH_2O^(-) (A) or H_3Coverset(CH_3)underset(CH_3)C-O^(-) (B)``k_(s) and k_(e)`, are, respectively, the rate constants for substitution and elimination, and `mu=(k_(s))/(k_(e))`, the correct option is __________.A. `mu_(B) gt mu_(A) and k_(e)(A) gt k_(e)(B)`B. `mu_(A) gt mu_(B) and k_(e)(A) gt k_(e)(B)`C. `mu_(A) gt mu_(B) and k_(e)(B) gt k_(e)(A)`D. `mu_(B) gt mu_(A) and k_(e)(B) gt k_(e)(A)` |
| Answer» Correct Answer - 3 | |
| 64. |
Consider the following reactions The compound [P] is :A. B. C. D. |
| Answer» Correct Answer - c | |
| 65. |
It the `10^(th)` term of an A. P. is `1/20` and its `20^(th)` term is `1/10,` then the sum of its first 200 terms is :A. 50B. `100(1)/(2)`C. 100D. `50(1)/(4)` |
| Answer» Correct Answer - B | |
| 66. |
In which compound C–Cl bond length is shortestA. `Cl-CH=CH-OCH_(3)`B. `Cl-CH=CH-NO_(2)`C. `Cl-CH=CH_(2)`D. `Cl-CH=CH-CH_(3)` |
| Answer» Correct Answer - B | |
| 67. |
Which of the following reaction will not form racemic mixture as product?A. B. C. D. |
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Answer» Correct Answer - B |
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| 68. |
Which of the following is tautologyA. `p vv (~q) rarr (p ^^ q)`B. `~(p^^~q) rarr p vvq`C. `~(pvv~q) rarr p^^q`D. `~(pvv~q) rarr pvvq` |
| Answer» Correct Answer - D | |
| 69. |
Let `F:R to R` be such that F for all `x in R` `(2^(1+x)+2^(1-x)), F(x) and (3^(x)+3^(-x))` are in A.P., then the minimum value of F(x) is:A. 4B. 0C. 2D. 3 |
| Answer» Correct Answer - D | |
| 70. |
Which of the following is tautologyA. `P wedge (p vee Q) `B. `P vee (P wedge Q) `C. `Q to (P wedge (P to Q))`D. `(P wedge (P to Q)) to Q` |
| Answer» Correct Answer - D | |
| 71. |
The shortest distance between line `(x-3)/(3)=(y-8)/(-1)=(z-3)/(1) and` `(x+3)/(-3)=(y+7)/(2)=(z-6)/(4) is`A. 3B. `3sqrt30`C. `(7)/(2)sqrt30`D. `2sqrt30` |
| Answer» Correct Answer - B | |
| 72. |
In which compound C–Cl bond length is shortestA. `Cl - CH=CH_2`B. `Cl–CH=CH–CH_3`C. `Cl–CH=CH–OCH_3`D. `Cl–CH=CH–NO_2` |
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Answer» Correct Answer - D |
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| 73. |
Given complex `[Co(NH_3)_4Cl_2]`. In it if `Cl – Co – Cl` bond angle is `90^@` then it is :A. meridional and transB. trans onlyC. cis onlyD. cis and trans |
| Answer» Correct Answer - 3 | |
| 74. |
If `vec a,vec b , vec c` are unit vectors such that `veca + vec b+ vecc = 0`and `lambda = veca.vecb + vecb.vecc+vecc.veca `and `d = veca xx vecb + vecb xx vecc + vecc xx veca`, then `(lambda,vecd)` isA. `(-(3)/(2), 3veccxxvecb)`B. `((3)/(2), 3vecaxxvecc)`C. `((3)/(2), 3vecbxxvecc)`D. `(-(3)/(2), 3vecaxxvecb)` |
| Answer» Correct Answer - `D` | |
| 75. |
The value of `alpha` for which `4alphaint_(-1)^(2)e^(-alpha|x|)dx=5` is :A. `log_(e)2`B. `log_(e)((3)/(2))`C. `log_(e)((4)/(3))`D. `log_(e)sqrt(2)` |
| Answer» Correct Answer - `A` | |
| 76. |
Metal with low melting point containing impurities of high melting point can be purified byA. liquationB. vapour phase refiningC. distillationD. zone refining |
| Answer» Correct Answer - 1 | |
| 77. |
If `| (z - i)/(z + 2i)| = 1, |z| = 5/2` then the value of `|z + 3i|`A. `15/4`B. `2sqrt3`C. `7/2`D. `sqrt(10)` |
| Answer» Correct Answer - C | |
| 78. |
`2^(1/4). 4^(1/16). 8^(1/48) .........oo =`A. `2^(1/2)`B. `2`C. `1`D. `2^(1/2)` |
| Answer» Correct Answer - A | |
| 79. |
If the magnetic field in plane electromagnetic was is given by ` vecB = 3 xx 10 ^( -8 ) sin ( 1.6 xx 10 ^( 3 ) x + 48 xx 10 ^( 10 ) t ) hatj T`, then what will be expression for electric field ?A. ` vec E = ( 3 xx 10 ^( - 8 ) sin ( 1.6 xx 1 0 ^(3) x + 48 xx 10 ^( 10) t ) hati V//m) `B. ` vec E = ( 9 sin (1.6 xx 10 ^( - 3) x + 48 xx 10 ^( 10 ) t ) hatk V//m) `C. ` vecE = ( 3xx 10 ^( - 8 ) sin ( 1.6 xx 10 ^( 3 ) x + 48 xx 10 ^( 10 ) t ) hatj V//m) `D. `vecE = ( 60 sin (1.6 xx 10 ^( 3 ) x + 48 xx 10 ^( 10 ) t ) hatk V //m) ` |
| Answer» Correct Answer - B | |
| 80. |
If the magnetic field in plane electromagnetic was is given by ` vecB = 3 xx 10 ^( -8 ) sin ( 1.6 xx 10 ^( 3 ) x + 48 xx 10 ^( 10 ) t ) hatj T`, then what will be expression for electric field ?A. ` vec E = ( 3 xx 10 ^( - 8 ) sin ( 1.6 xx 1 0 ^(3) x + 48 xx 10 ^( 10) t ) hati V//m) `B. ` vec E = ( 9 sin (1.6 xx 10 ^( - 3) x + 48 xx 10 ^( 10 ) t ) hatk V//m) `C. ` vecE = ( 3xx 10 ^( - 8 ) sin ( 1.6 xx 10 ^( 3 ) x + 48 xx 10 ^( 10 ) t ) hatj V//m) `D. `vecE = ( 60 sin (1.6 xx 10 ^( 3 ) x + 48 xx 10 ^( 10 ) t ) hatk V //m) ` |
| Answer» Correct Answer - B | |
| 81. |
Let `|veca| = 3, |vecb| = 5, vecb.vecc= 10`, angle between `vecb` and `vecc` equal to `pi/3`. If `veca` is perpendicular `vecb xx vecc` then find the value of `|veca xx (vecb xx vecc)| ` |
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Answer» Correct Answer - 30 |
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| 82. |
If minimum value of term free from `x` for `(x/(sintheta) + 1/(xcostheta))^(16)` is `L_1` in `[pi/8,pi/4]` and `L_2` in `[pi/16,pi/8]`, then `L_2/L_1` |
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Answer» Correct Answer - 16 |
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| 83. |
Which of the following reactions are possible ?A. (a) and (d)B. (b), (c) and (d)C. (a) and (b)D. (b) and (d) |
| Answer» Correct Answer - D | |
| 84. |
Let P be a point on `x^2 = 4y`. The segment joining `A (0,-1)` and P is divided by point Q in the ratio 1:2,then locus of point Q isA. `4x^(2)-3y=2`B. `9x^(2)-3y=2`C. `x^(2)-3y=2`D. `9x^(2)-12y=8` |
| Answer» Correct Answer - D | |
| 85. |
If maximum value of `.^19 C_p is a, .^20 C_q is b, .^21 C_r is c`, then relation between a, b, c isA. ` (a)/(11)= (b)/(22) =(c)/(42)`B. ` (a)/(11)=(b)/(22)=(c)/(21)`C. ` (a)/(10) =(b)/(11)=(c)/(21)`D. ` (a)/(10) =(b)/(11)= (c)/(42)` |
| Answer» Correct Answer - A | |
| 86. |
Amongs the following which is redox reaction ?A. formation of ozone from atmospheric oxygen in the presence of sunlightB. reaction of `H_(2)SO_(4)` with `NaOH` reaction of `[Co(H_(2)O)_(6)]Cl_(3)` with `AgNO_(3)`C. combination of dinitrogen with dioxygen at 2000 KD. |
| Answer» Correct Answer - C | |
| 87. |
An urn contains 5 red marbels,4 black marbels and 3 white marbles. Then the number of ways in which 4 marbles can be drawn so that most three them are red is _________ |
| Answer» Correct Answer - 504 | |
| 88. |
A telescope has magnification 5 and length of tube 60cm then the focal length of eye piece is–A. 10cmB. 40cmC. 30cmD. 20cm |
| Answer» Correct Answer - 1 | |
| 89. |
If relative permittivity and relative permeability of a medium are 3 and `4/3` respectively. the critical angle for this medium is.A. `30^(@)`B. `60^(@)`C. `45^(@)`D. `15^(@)` |
| Answer» Correct Answer - 1 | |
| 90. |
Which graph correctly represents variation between relaxation time (t) of gas molecules with absolute temperature of gas T.A. B. C. D. |
| Answer» Correct Answer - 2 | |
| 91. |
A gas undergoes expansion according to the following graph. Calculate work done by the gas |
| Answer» Correct Answer - 48 J | |
| 92. |
Find the integration `int dx /((x - 3)^(6/7)(x + 4)^(8/7) =`A. `((x-3)/(x+4))^(1/7)+C `B. `-((x-3)/(x+4))^(1/7)+C `C. `1/2((x-3)/(x+4))^(3/7)+C `D. `-1/(13)((x-3)/(x+4))^((-13)/7)+C ` |
| Answer» Correct Answer - A | |
| 93. |
A sphere of 10cm radius has a uniform thickness of ice around it. Ice is melting at rate `50 cm^3//min` when thickness is 5cm then rate of change of thicknessA. `5/(6pi)`B. `1/(36pi)`C. `1/(18pi)`D. `1/(54pi)` |
| Answer» Correct Answer - C | |
| 94. |
Which of the following options is correct ?A. (A) Lactose (B) Glucose (C) AlbuminB. (A)Lactose (B)Glucose (C)AlanineC. (A)Lactose (B) Fructose (C) AlanineD. (A) Glucose (B) Sucrose (C) Albumin |
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Answer» Correct Answer - A |
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| 95. |
`E_(Cu^(2+)//Cu)^(@)=0.34V` `E_(Cu^(+)//Cu)^(@)=0.522V` `E_(Cu^(2+)//Cu^(+))^(@)=`A. 0.158B. -0.158C. 1.182D. -0.182 |
| Answer» Correct Answer - A | |
| 96. |
If `Q(5/3,7/3,17,3)` is foot of perpendicular drawn from `P(1, 0, 3)` on a line L and if line L is passing through `(alpha, 7, 1)`, then value of `alpha` is |
| Answer» Correct Answer - `4` | |
| 97. |
Let `int (cos x dx)/(sin^3 x (1 + sin^6 x))^(2/3) = f(x), (1 + sin^6 x )^(1/lambda) + C` then find the value of `lambda f(pi/3)`A. ` (9)/(8) `B. `-2`C. `-(9)/(8)`D. `2` |
| Answer» Correct Answer - B | |
| 98. |
If system of equation x + y + z = 6 x + 2y + 3z = 10 3x + 2y + `lambda`z = `mu` has more than two solutions. Find `(mu -lambda^ )` |
| Answer» Correct Answer - `13` | |
| 99. |
`f(x) = (8^(2x) - 8^(-2x))/(8^(2x) + 8^(-2x)` find the inverse of the functionA. `(1)/(4)(log_(g)e)log_(e)((1+x)/(1-x))`B. `(1)/(4)(log_(g)e)log_(e)((1-x)/(1+x))`C. `(1)/(4)log_(e)((1-x)/(1+x))`D. `(1)/(4)log_(8)((1+x)/(1-x))` |
| Answer» Correct Answer - D | |
| 100. |
Output at terminal Y of given logic circuit. A. toggles between 0 and 1B. will not executeC. 1D. 0 |
| Answer» Correct Answer - D | |