Identify the incorrect statement from the following:
The least stable free radical is
{tex} CH_{3}CH_{2}{/tex}
{tex}CH_{3}CH_{2}CH_{2}{/tex}
{tex} (CH_{3})_{2}CH{/tex}
{tex} CH_{3}{/tex}
B.H.C is prepared by treating benezene with
The force between two magnetic poles is F. If the distance between the poles and the pole strenghts is doubled, then the force experienced is:
Sulphur trioxide can be obtained by which of the following reaction.
If vectors a, b, c are non zero, non coplanar vectors, then (c x a) x (a x b) is
Given the polymers ; A = Nylon ; B = Buna - S;C = Polythene. Arrange these in increasing order of their intermolecular force (lower to higher)
In a polymer sample, 30% of molecules have a molecular mass of 20,000 40% have 30,000 and the rest 60,000. What is the weight average molecular mass of the polymer?
Auto reduction is employed in the metallurgy of :
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