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Q.

False statement among the following  is

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a

Pent – 1–en–4–yne contains 10σ, 3π bonds

b

1,3–butadiene involves only sp2 hybrid orbitals of carbon atoms  in bonding

c

Higher stability of CH33C+ than  CH32CH+ cannot be explained by inductive effect as well as Hype rconjugation effect

d

Paper chromatography is a Partition Chromatography in which both stationary phase and mobile phase are liquids

answer is C.

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Detailed Solution

1......CH2 = CH −CH2−C ≡ CH ....   10σ,  3π2.....H2C = CH - CH =CH2.......... all sp2 carbons3...... stability based on inductive effect as well as Hyper conjugation effect.Hyperconjugation dominates over inductive effect                      4.......in paper chromatography liquid component and stationary phase is water bound to cellulose
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