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Grams of potassium dichromate required to oxidize 24.82 g of Fe2+ in FeSO4 to Fe3+,if the reaction is carried out in acidic solution is ___ ...

Find the co-efficient of x59 in the expansion : (x-1)(x2-2)(x3-3)(x4-4).........(x11-11) EXPERT'S HELP PLEASE !!! ...

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*Image* Ques 1) Figure shos a long current carrying wire and two rectangular loops moving with velocity v . Find the direction of current. Ques 2) A rod of length L is placed prependicular to a long wire carrying current i. T ...

The value of \int_{a}^{b}{(x-a)^3 (b-x)^4 dx } is a) (b-a)4/64 b) (b-a)8/280 c) (b-a)7/73 d) None Of These (ans given in book is b) ...

If a rigid body is rotating about an axis passing through the point 2i -j - k and parallel to i-2j+2k with an angular velocity = 3 rad/sec , then find velocity of the point whose position vector is 2i + 3j - 4k : [01] -2i+ 3j ...

1..Acetophenone----1.Br2(1 equivalent)---->? 2.NaBH4 3.Base 2. *Image* ...

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*Image* Please give the stability order with proper reasons . Ans : II < I < IV < III ...

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*Image* Arrange in order of stability giving reason. Ans : I < IV< II < III ...

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SIR CAN YOU TELL ME IS IT SO THAT EVERY GROUP OF ORGANIC COMPOUNDS UNDERGO ONLY PARTICULAR TYPE OF REACTION ...

Q1-in pure rolling of a sphere of radius r on rough horizontal surface if angular acceleration a2 and linear acceleration a1 are related as a1=r*a2. then a-frction force act in direction of rolling b-friction force act in dir ...

hello every one in targetiit taking some hint from PrItIsH Da i thot of startin an thread for integration ( similar kind of prctc was folowed at mathlinks too) will post integrals myself and d person who answers the integral ...

q1)let A={x1,x2,...,xm},B={y1,y2,...,yn} and f:A→B,n>=m 1.number of increasing function from A to B: a)mCn b)nCm c)mn d)nC1+nC2+.....+nCn 2.number of non decreasing functions from A to B 3.number of onto functions from A ...

let A be the set of all 3X3 determinant having entries +1 or -1. if a determinant D from set A is chosen randomly, then probability that product of elemrnts of any row or any column is -1 is a) 1/32 b) 1/8 c)1/16 d) none ans ...

for real x,the function (x-a)(x-b) will assume real values provided x-c (A) a>b>c (B)a<b<c (C) a>c>b ( D) a<c<b please xplain logic... ...

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An aeroplane has to go from a point A to another point B,500 km away due 30° east of north .wind blowing due north at as speed of 20m/s.The air-speed of the plane is 150m/s.(a)Find the direction in which the pilot should hea ...

what will be the effect of Al2O3 on alcohols??? ...

1.Which of the following statements is true regarding nucleophilic substitution- (a) Allyl chloride is more reactive than vinyl chloride . (b)Vinyl chloride is as reactive as allyl chloride (c)Vinyl chloride is more reactive ...

This qsn came in FIITJEE AITS 2day. I_n=\int_{\frac{\pi}{2}}^{\propto}{e^{-x}cos^{n}xdx}=\frac{720}{3145}e^{-\frac{\pi}{2}} This holds for n=2m, where m is a natural number. Find it. ...

AA A>0 + BB B>0 CDC All A,B,C are digits. Find D A.4 B.3 C.2 D.1 ...

what is the unit digit of N if N = (289)5 *(587)7 *(1156)9 *(17)15 without actual multiplying A.8 B.5 C.3 D.6 show me how to do this 1 step by step ...

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if xy=yx and x2=y, where x and y are dinstinct positive real integers then the value of of x+2y is ...

y2 = 2c(x+ c ) find order and degree iit qsn After double differentiation im getting yy''+y'2=0 from this order is 2 and degree is 1 but it's wrong Ican not understand why it's wrong Hel[p me in solving this Q. ...

Evaluate the following integral: \int_{-100}^{-10}\left(\dfrac{x^2-x}{x^3-3x+1}\right)^2\mathrm dx+\int_{\frac{1}{101}}^{\frac{1}{11}}\left(\dfrac{x^2-x}{x^3-3x+1}\right)^2\mathrm dx + \int_{\frac{101}{100}}^{\frac{11}{10}}\l ...

At moon the weight of things become 1/6th of weight of earth.What is the ratio of time period of simple pendulum at earth to that of moon? ...