GOC Important MCQs for NEET 2026 | Some Basic Concepts
GOC – NEET 2026 Practice MCQs
The incorrect statement regarding chirality is
SN1 reaction yields 1 : 1 mixture of both enantiomers
The product obtained by SN2 reaction of haloalkane having chirality at the reactive site shows inversion of configuration
Enantiomers are superimposable mirror images on each other
A racemic mixture shows zero optical rotation
The possible stereo-structures of CH
3
CHOHCOOH, which are optically active, are called
atropisomers
enantiomers
mesomers
diastereomers
Considering the state of hybridization of carbon atoms, find out the molecule among the following which is linear?
CH
3
– CH = CH – CH
3
CH
3
– C≡C – CH
3
CH
2
= CH – CH
2
– C≡CH
CH
3
– CH
2
– CH
2
– CH
3
Which of the following is correct with respect to – I effect of the substituents? (R = alkyl)
– NH
2
< – OR < – F
– NR
2
< – OR < – F
– NH
2
> – OR > – F
– NR
2
> – OR > – F
Some meta-directing substituents in aromatic substitution are given. Which one is most deactivating?
– COOH
– NO
2
– C ≡ N
– SO
3
H
Amongst the given options which of the following molecules/ion acts as a Lewis acid?
H
2
O
BF
3
OH
−
NH
3
Which amongst the following compounds will show geometrical isomerism?
Pent-1-ene
2,3-Dimethylbut-2-ene
2-Methylprop-1-ene
3,4-Dimethylhex-3-ene
During the preparation of Mohr's salt solution (Ferrous ammonium sulphate), which of the following acid is added to prevent hydrolysis of Fe
2+
ion?
dilute hydrochloric acid
concentrated sulphuric acid
dilute nitric acid
dilute sulphuric acid
Which one of the following compounds can exist as cis-trans isomers?
1,1-Dimethylcyclopropane
1,2-Dimethylcyclohexane
Pent-1-ene
2-Methylhex-2-ene
The IUPAC name of the compound having the formula CH≡C–CH=CH
2
is
1-butyne-3-ene
but-1-yne-3-ene
1-butene-3-yne
3-butene-1-yne
SUBMIT TEST
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