NEET 2014

166 Questions • 180 Minutes • 2014

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Hydrogen atom in ground state is excited by a monochromatic radiation of λ = 975 Å. Number of spectral lines in the resulting spectrum emitted will be :

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The binding energy per nucleon of $^7_3Li$ and $^4_2He$ nuclei are 5.60 MeV and 7.06 MeV, respectively. In the nuclear reaction $^7_3Li + ^1_1H \rightarrow ^4_2He + ^4_2He + Q$, the value of energy Q released is :

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A radio isotope 'X' with a half life $1.4 \times 10^9$ years decays to 'Y' which is stable. A sample of the rock from a cave was found to contain 'X' and 'Y' in the ratio 1 : 7. The age of the rock is :

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The barrier potential of a p – n junction depends on :\n(a) Type of semi conductor material\n(b) Amount of doping\n(c) Temperature\nWhich one of the following is correct?

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What is the maximum number of orbitals that can be identified with the following quantum numbers? n = 3, l = 1, $m_l$ = 0

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Calculate the energy in joule corresponding to light of wavelength 45 nm : (Planck's constant h = $6.63 \times 10^{-34}$ Js; speed of light c = $3 \times 10^8$ $ms^{-1}$)

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Equal masses of $H_2$, $O_2$ and methane have been taken in a container of volume V at temperature 27°C in identical conditions. The ratio of the volumes of gases $H_2 : O_2$ : methane would be :

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If a is the length of the side of a cube, the distance between the body centered atom and one corner atom in the cube will be :

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Which property of colloids is not dependent on the charge on colloidal particles ?

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Which of the following salts will give highest pH in water ?

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Of the following 0.10 m aqueous solutions, which one will exhibit the largest freezing point depression?

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When 22.4 litres of $H_2$(g) is mixed with 11.2 litres of $Cl_2$(g), each at S.T.P, the moles of HCl(g) formed is equal to :

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When 0.1 mol $MnO_4^{2-}$ is oxidised the quantity of electricity required to completely oxidise $MnO_4^{2-}$ to $MnO_4^-$ is :

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Using the Gibbs energy change, $\Delta G^o$ = +63.3 kJ, for the following reaction, $Ag_2CO_3(s) \rightleftharpoons 2Ag^+(aq) + CO_3^{2-}(aq)$, the $K_{sp}$ of $Ag_2CO_3$(s) in water at 25°C is : (R = 8.314 $JK^{-1}mol^{-1}$)

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The weight of silver (at. wt. = 108) displaced by a quantity of electricity which displaces 5600 mL of $O_2$ at STP will be :

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Which of the following statements is correct for the spontaneous adsorption of a gas?

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For the reversible reaction : $N_2(g) + 3H_2(g) \rightleftharpoons 2NH_3(g)$ + heat. The equilibrium shifts in forward direction :

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For the reaction : $X_2O_4(l) \rightarrow 2XO_2(g)$, ΔU = 2.1 kcal, ΔS = 20 cal $K^{-1}$ at 300 K. Hence, ΔG is :

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For a given exothermic reaction, $K_p$ and $K'_p$ are the equilibrium constants at temperatures $T_1$ and $T_2$, respectively. Assuming that heat of reaction is constant in temperature range between $T_1$ and $T_2$, it is readily observed that :

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Which of the following orders of ionic radii is correctly represented ?

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Paper Info

Exam: NEET
Year: 2014
Questions: 166
Duration: 180 mins

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