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Three circles touch each other externally. The tangents at their point of contact meet at a point whose distance form a point of contact is 4. Then the ratio of the product to the sum of radii of the circles is ...
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ABC is an isosceles Δ in which AB=AC, A=120° and the radius of the incircle is √3. Then the area of the triangle ABC is ...
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A circle touches two of the smaller sides of ΔABC where a<b<c and has its centre at on the greatest side. then the radius of the circle is ...
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Which of the following is not aromatic? ...
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Which of the following is aromatic? ...
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Which of the following is aromatic? ...
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Which of the following compounds is not aromatic? ...
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The dihedral angle between the hydrogen atoms of two methyl groups in staggered conformation is ...
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The number of possible theoretical conformation of ethane are ...
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The dihedral angle between two methyl groups in partially eclipsed conformation of n-butane is ...
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which of the following is the correct order of stability of the following four distinct conformation of n-butane? ...
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*Image* represents ...
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Which of the following will have least hindered rotation about carbon-carbon bond? ...
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1∫∞dx/(x4+x6) ...
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lim(n→∞)(n!)1/n/n= ...
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0∫3(1/ x2+2x+1 + x2-2x+1 )dx ...
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Which of the following will not cyclize to form anhydride? ...
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Which of the following can exhibit geometrical isomerism? ...
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Which of the following can exhibit geometrical isomerism? ...
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Which of the following does not show geometrical isomerism? ...
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The molecule having dipole moment is ...
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Which of the following will exhibit geometrical isomerism? ...
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Which of the following exhibits geometrical isomerism? ...
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The total no. of isomers for C4H8 is ...
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The no. of geometrical isomers of *Image* ...
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An isomer of propanal is ...
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The no. of structural isomers of alkynes with formula C5H8 is ...
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The no. of structural isomer with formula C5H10 would be ...
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The total no. of structural isomeric alcohols with formula C3H5OH is ...
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Find the tautomer of *Image* ...