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1. if the ratio of the coordination number of P to Q is Y:Z then the formula of the solid containing atoms of P and Q is...........??? 2. the lattice energy of solid NaCl is 180kcal/mol. the dissolution of solid in water in t ...
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1. f(x)= sin-1 (sin x)...find its period.... 2. 2f(x2) + 3f(1/x2) = x2 -1......for all x belonging to R - {0} then f(x2) = ????? pls ans urgently required...!!!! ...
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Ethylamine + HNO2 → X X + PCl5 → Y Y + NH3 excess → Z Find X,Y,Z...!! ...
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if the fraction of total energy associated with pure rolling is A for a ring and B for a solid sphere....find A & B ...
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the sides of a triangle touch a circle x2 + y2 = a2 and 2 of the vertices are on the line |y|=b. find the locus of the third side............ ...
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If CF is the perpendicular from the centre C of the ellipse (x2/49)+(y2/25)=1 on the tangent at any point P, and G is the point where the normal at P meets the minor axis, then what is the value 0f (CF*PG)2 ?????? ...
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can u pls help me out in understanding the mechanism of preparation of alkanes using LiAlH4 and alkyl halide....... y can't LiAlH4 be used with 3° halide??? what is the compound (n-C4H9)3 SnH ?? ...
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this is a really basic and easy question but i wud like some different and interesting answrs...... Y du aryl hallides dont undergo S[n]1 mechanisms?? ...
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if in a compound , both methyl and hydride shift are possible from the same carbon atom........then which is more likely to take place???? ...
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how do we convert a v/p curve of an ideal gas 2 a p/v curve. is rotation of mirror image of the curve the correct way??? ...
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while calculating the amount of the sun's radiation reaching the earth's surface, should we take the earth to b a disc or a sphere?? how 2 be assured that the asuumptions taken are correct?? ...