Given below are two statements : Statement (I) : Neopentane forms only one monosubstituted derivative. Statement (II) : Melting point of neopentane is higher than n-pentane. In the light of the above statements, choose the most appropriate answer from the options given below :
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Count the types of hydrogen in neopentane and compare the molecular symmetry of neopentane and n-pentane.
Statement I is incorrect but Statement II is correct
Both Statement I and Statement II are correct
Statement I is correct but Statement II is incorrect
Both Statement I and Statement II are incorrect
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The Correct Option isB
Solution and Explanation
Statement I: neopentane, $C(CH_3)_4$, has 12 equivalent hydrogen atoms (all in equivalent $CH_3$ groups), so only one monosubstituted product is possible. Statement I is correct.
Statement II: neopentane is highly symmetrical (nearly spherical), so it packs better in the crystal lattice than n-pentane; its melting point (about $-17^\circ C$) is much higher than that of n-pentane (about $-130^\circ C$). Statement II is correct.
Both statements are correct: option (2).
