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The maximum number of alkyl groups in C8H18 is:
(a) (CH3)3C-C(CH3)3 has maximum number of alkyl groups in it.
The increasing order of +ve I-effect shown by H, CH3, C2H5 and C3H7 is:
(a) Follow inductive effect.
To which ring size cycloalkanes, Baeyer’s strain theory is not valid?
(d) The closed ring cycloalkanes beyond five carbon atoms has puckered ring structure maintaining tetrahedral nature or strainless rings, e.g.. cyclo hexane has chair and boat form.
Shifting of electrons of a multiple bond under the influence of a reagent is called:
(b) It is definition of electromeric effect.
Which of the following statement is correct?
(a) Allyl carbocation undergoes resonance stabilization.
The compound which gives the most stable carbocation on dehydration:
(b) 30 carbocation is most stable.
Which of the following acids has the smallest dissociation constant?
(c) BrCH2CH2COOH is the weakest acid and have lowest dissociation constant because I.E. of Br is lesser than F and is far away from -COOH group.
Which of the following resonating structures of 1-methoxy-1,3-butadiene is least stable ?
(c) The octet of all atoms are complete in structures that of option (a) and (b). In structure that of option (d) electron deficiency of positively charged carbon is duly compensated by lone pair electrons of adjacent oxygen atom while such neighbour group support is not available in structure that of option (c).
The production of an optically active compound from a symmetric molecule without resolution in termed as:
(c) It is definition of asymmetric synthesis.
Buta-1,3-diene and But-2-yne are:
Two double bonds are treated as different functional group with a triple bond.
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