Question

(A)Both assertion and reason are correct statements,

and reason is the correct explanation of the assertion.

(B)Both assertion and reason are correct statements, but

reason is not the correct explanation of the assertion.

(C)Assertion is correct, but reason is wrong statement.

(D)Assertion is wrong, but reason is correct statement

(E) Both are wrong statements.

17.Assertion: The IUPAC name of CH3

-CH=CH–C ≡ CH is

pent-3-en-1-yne and not pent-2-en-4-yne.

Reason: While deciding the locants of double and triple

Bonds, the lowest sum rule is always followed.

18.Assertion: Toluene on Friedel Crafts methylation gives

ortho and para xylene

Reason: CH3 -group bonded to benzene ring increases

electron density at ortho and para position

19.Assertion: Pent-1-ene and pent-2-ene are position

isomers

Reason: Position isomers differ in the position of

functional group.

20.Assertion: All the hydrogen atoms in CH2=C=CH2

lie in

one plane.

Reason: All the carbon atoms in it are sp

2 hybridised​

Answer 1

(C)Assertion is correct, but reason is wrong statement.