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Q) When a methyl as well as phenyl grps are attached to same carbon atom, which shift takes place - 1,2-methyl or 1,2-phenyl shift and why? ...
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Q) A Square ABCD of diagonal 2a is folded along the diagonal AC so that the planes DAC and BAC are at right angles. The shortest distance between DC and AB is a) √2a b) 2/3 a c) 2/√5 a d) √3/2 a ...
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Photoelectric Effect/ Objective I:- Q.2) Two Photons having a) equal wavelengths have equal linear momenta b) equal energies have equal linear momenta c) equal frequencies have equal linear momenta d) equal linear momenta hav ...
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Let I= ∫p/20 sinx/x dx then I lies in the interval a) (0,1) b) [0,1] c) [0, 3/2 ] d) [1,2) ...
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Q1) Which has highest bp? a) 1% soln C6H12O6 b) 1% soln NaCl c) 1% soln ZnSO4 d) 1% soln (NH2)2CO Q2) Weight of water in 1L of 2M NaCl soln of density 1.117g/ml is a) 1117g b) 1000g c) 117g d) 883g ...
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Q) The tangents that are parallel to the bisector of the first co-ordinate angle for the curve F(x)= ∫0x 2tdt are a) y=x- 1/4 b) y=x+ 1/4 c) y=x- 3/2 d) y=x+ 3/2 ...
