1
MHT CET 2021 22th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which among following functional groups exhibits $$-\mathrm{R}$$ effect?

A
$$-\mathrm{CO}-$$
B
$$-\mathrm{Br}$$
C
$$-$$OR
D
$$-$$NHR
2
MHT CET 2021 21th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which from following statements is true for tetrahydrofuran?

A
It is homocyclic aromatic.
B
It is heterocyclic aromatic.
C
It is aromatic non-benzenoid.
D
It is heterocyclic nonaromatic.
3
MHT CET 2021 20th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

Identify $$-$$I effect causing group from following.

A
$$-$$COOR
B
$$-$$CH$$_3$$
C
$$-$$C$$_2$$H$$_5$$
D
$$-$$C$$_3$$H$$_7$$
4
MHT CET 2020 19th October Evening Shift
MCQ (Single Correct Answer)
+1
-0

The Total number of electrons around the carbon atom of methyl free radical are

A
nine
B
six
C
seven
D
eight
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