5. (a) HF has higher boiling point than HCI
(b) Acetic acid dimerises in benzene due to
H-Bond
(c) C-C Bond order in benzene is 1.5
22=116
CO molecule
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(d) o 2s orbital have high energy than o2p, inCO molecule.
Correct statement
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Heptane or n-heptane is the straight-chain alkane with the chemical formula H3C(CH2)5CH3 or C7H16, and is one of the main components of gasoline (petrol). When used as a test fuel component in anti-knock test engines, a 100% heptane fuel is the zero point of the octane rating scale (the 100 point is 100% iso-octane). Octane number equates to the anti-knock qualities of a comparison mixture of heptane and isooctane which is expressed as the percentage of isooctane in heptane and is listed on pumps for gasoline (petrol) dispensed globally.
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