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The addition of tetraethyl lead to petro...

The addition of tetraethyl lead to petrol

A

Lowers its octane number

B

Raises its octane number

C

May raise or lower the octane number

D

Has no effect on octane number

Text Solution

Verified by Experts

The correct Answer is:
B
Tetraethyl lead is anti-knocking agent it increases the octane no. of the fuel.
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ERRORLESS-HYDROCARBONS-ASSERTION & REASON
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  2. Assertion : Cyclopentadienyl anion is much more stable than allyl anio...

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  3. Assertion : Tropylium cation is aromatic in nature Reason : The only...

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  4. Assertion:Cyclobutane is less stable than cyclopentane. Reason : Pre...

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  5. Assertion : Pyrrole is an aromatic heterocyclic compound Reason : ...

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  6. Assertion : CH(4) does not react Cl(2) in dark. Reason: Chlorinat...

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  7. Assertion : Alkyl benzene is not prepared by Friedel- Crafts alkylatio...

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  8. Assertion : 2-Bromobutane on reaction with sodium ethoxide in ethanol ...

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  9. Assertion: Styrence on reaction with HBr gives 1-bromo-1-phenylethane ...

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  10. Assertion :Iodination of alkanes is reversible Reason:Iodination is ...

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  11. Assertion:Freezing point of neopentane is more than n-pentane. Reaso...

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  12. Assertion : The presence of Ag^(+) enhance the solubility of alkenes i...

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  13. Assertion : Propene reacts with HBr in presence of benzoyl peroxide to...

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  14. A) Addition of HBr on 2-butene gives two isomeric products. R) Addit...

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  15. Assertion:Aryl halides are less reactive towards substitution of halog...

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  16. Assertion:Benzene is a solvent for the Friedel Craft's alkylation of b...

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  17. Assertion : [10]Annulene is not aromatic though it contains Huckel num...

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  18. Assertion : Benzene forms benzene sulphonic acid with fuming H2SO4 at ...

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  19. Assertion :Activating groups are electron donors. Reason: Nitroso gr...

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