Hydrocarbons MCQs for NEET 2026

Hydrocarbons – NEET 2026 Practice MCQs

The state of hybridization of carbons 1, 3 and 5 are in the following sequence
sp, sp2, sp3
sp3, sp2, sp
sp2, sp, sp3
sp, sp3, sp2
In preparation of alkene from alcohol using Al2O3 which is the effective factor?
Porosity of Al2O3
Temperature
Concentration
Surface area of Al2O3
Products of the following reaction : CH3C≡CCH2CH3 (i) O3 (ii) hydrolysis are
CH3COOH + CO2
CH3COOH + HOOC.CH2CH3
CH3CHO + CH3CH2CHO
CH3COOH + CH3COCH3
Liquid hydrocarbons can be converted to a mixture of gaseous hydrocarbons by
oxidation
cracking
distillation under reduced pressure
hydrolysis
Among the following compounds the one that is most reactive towards electrophilic nitration is
benzoic acid
nitrobenzene
toluene
benzene
2,3-Dimethyl-2-butene can be prepared by heating which of the following compounds with a strong acid?
(CH3)3CCH = CH2
(CH3)2C = CHCH2CH3
(CH3)2CHCH2CH = CH2
(CH3)2CH–CH(CH3)–CH = CH2
The compound that will react most readily with gaseous bromine has the formula
C3H6
C2H2
C4H10
C2H4
The incorrect method for the synthesis of alkenes is
Treating vicinal dihalides with Zn metal
Treating of alkynes with Na in liquid NH3
Heating alkyl halides with alcoholic KOH
Treating alkyl halides in aqueous KOH solution
Which of the following organic compounds has same hybridization as its combustion product (CO2)?
Ethane
Ethene
Ethyne
Ethanol
The IUPAC name of the compound having the formula CH≡C–CH=CH2 is
1-butyne-3-ene
but-1-yne-3-ene
1-butene-3-yne
3-butene-1-yne
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