Popular Past Iit Jee Question Questions

The total number of cyclic structures as well as stereo isomers possible for a compound with the molecular formula C5H10 is ...

In the following carbocation, H/CH3 that is most likely to migrate to the positively charged carbon is A) CH3 at C-4 B) H at C-4 C) CH3 at C2 D) H at C2 ...

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The IUPAC name of the following compound is *Image* (A)4-Bromo-3-cyanophenol (B)2-Bromo-5-hydroxybenzonitrile (C)2-cyano-4-hydroxybromobenzene (D)6-bromo-3-hydroxybenzonitrile ...

At 400K the rms speed of gas X (MW=40) is equal to the most probable speed of gas Y at 60K. The molecular weigth of the gas Y is ...

The compound(s) formed upon combustion of sodium metal in excess air is(are) (A)Na2O2 (B)Na2O (C)NaO2 (D)NaOH ...

Among cellulose, poly(vinyl chloride), nylon and natural rubber, the polymer in which the intermolecular force of attraction is weakest is (A)Nylon (B)Poly(vinyl chloride) (C)Cellulose (D)Natural Rubber ...

A particle of mass m moves on the axis as follows...it starts from rest at t=0from the point x=0 and comes to rest at t=1at x=1.no other info is available abt its motion....a is its acceleration.then: a)a cannot remain positi ...

Three Concentric metallic spherical shells of radius R, 2R, 3R are given charges Q1,Q2, Q3 respectively. It is found that the surface charge densities of the outer surface of theshells are equl . Then the ratio of the charges ...

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The correct acidity order of the following is *Image* (A)III>IV>II>I (B)IV>III>I>II (C)III>II>I>IV (D)II>III>IV>I ...

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1)The solution of the differential equation \frac{dy}{dx}=\frac{x+y}{x} satisfying the condition y(1) =1 is (1) y=xe(x-1) (2) y=xlnx+x (3) y=ln x + x (4) 2 y = x ln x + x2 ...

For a first order raction A-> P the temperature T dependent rate constant k was found to follow the equation log k = -2000/T + 6. The pre exponential factor A and the activatin energy Ea respectively are A) 1.0x106s-1 and ...

The term that corrects for the attractive forces present in a real gas in the van der Waals equation is (A)nb (B)an2/V2 (C)-an2/V2 (D)-nb ...

Th emass M shown in the figure oscillates in SHM with amplitude A. The amplitude of point P is a) (k1/k2) A b) (k2/k1) A a) (k1/(k2+k1)) A a) (k2/(k2+k1)) A ...

The dissociation constant of a substituded benzoic acid at 25 degree C is 10-4 The pH of a 0.001 M solution of its sodium salt is ...

The correct statement about the following sugars X and Y are A) X is reducing sugar , Y is non reducing sugar B) X is non reducing sugar , Y is reducing sugar C) The glucosidic linkages in X and Y are alpha and beta respectiv ...

For the reduction of NO3- ion in an aquous solution, E0 is +0.96V. Value of E0 for some metal ions are given below A) V2+ + 2e- -> V E0=-1.19V B) Fe3+ + 3e- -> Fe E0=-0.04V C) Au3+ + 2e- -> Au E0=+1.40V D) Hg2+ + 2e- ...

A ball is dropped from a height of 20 m above the surface of water in a lake. The refractive index of water is 4/3.. A fish inside th e lake in the line of fall of the ball is looking at the ball. At an instant when the ball ...

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let f:R->R be a continuous function which satisfies f(x) = \int_{0}^{x}{f(t)dt} then the value of f(ln 5) is ...

The total no of alpha and beta particles emitted in the nuclear reaction 238U92 ->214Pb82 is ...

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Among the following, state functions: A) Internal energy B) Irreversilbe expansion work C) reversible expansion work D) Molar Entrhalpy ...

If the resultant of all the external forces acting on a system of particles is zero, then from an inertial frame, one can suresly say that A) linear momentum of the system does not change in time B) Kinetic energy of the syst ...

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