Assertion :But-1-ene and 2-methylprop-1-ene are position isomers. Reason: Position isomers have same molecular formula but differ in position of functional group or $C = C .$

If both Assertion and Reason are correct and Reason is the correct explanation of Assertion.

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If both Assertion and Reason are correct. but Reason is not the correct explanation of Assertion.

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If Assertion is correct but Reason is incorrect.

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If Assertion is incorrect but Reason is correct.

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Solution

The correct option is D If Assertion is incorrect but Reason is correct.
But-1-ene and 2-methylprop-1-ene are chain isomers as But-1-ene ( $C H_{3} C H_{2} C H = C H_{2}$ ) has a straight chain and 2-methylprop-1-ene ( $C H_{3} - C (C H_{3}) = C H_{2}$ ) has a branched one.

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Similar questions

Assertion (A) Addition reaction of water to but-1-ene in acidic medium yields butan-1-ol.
Reason (R) Addition of water in acidic medium proceeds through the formation of primary carbocation.
(a) Assertion and reason both are correct and reason is correct explanation of assertion.
(b) Assertion and reason both are wrong statements.
(c) Assertion is correct statement but reason is wrong statement.
(d) Assertion is wrong statement but reason is correct statement.
(e) Both assertion and reason are correct statements but reason is not correct explanation of assertion.

Assertion (A) o-nitrophenol is less soluble in water than the m- and p-isomers.
Reason (R) m and p-nitrophenols exist as associated molecules.
(a) Assertion and reason both are correct and reason is correct explanation of assertion.
(b) Assertion and reason both are wrong statements.
(c) Assertion is correct statement but reason is wrong statement.
(d) Assertion is wrong statement but reason is correct statement.
(e) Both assertion and reason are correct statements but reason is not correct explanation of assertion.

Assertion (A) Order and molecularity are same.

Reason (R) Order is determined experimentally and molecularity is the sum of the stoichimetric coeffcient of rate determining elementary step.

(a) Both assertion and reason are correct and the reason is correct explanation of assertion
(b) Both assertion and reason are correct, but reason does not explain assertion.
(c) Assertion is correct, but reason is incorrect
(d) Both assertion and reason are incorrect
(e) Assertion is incorrect but reason is correct.

Q. Assertion: In the equation,

y = A sin (k x - ω t)

, particle starts from its mean position

x = 0

and moves towards negative

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Reason: The wave corresponding to given equation is travelling towards positive

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Assertion (A) Order of the reaction can be zero or fractional.

Reason (R) We cannot determine order from balanced chemical equation.

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Assertion :But-1-ene and 2-methylprop-1-ene are position isomers. Reason: Position isomers have same molecular formula but differ in position of functional group or C=C.

The correct option is D If Assertion is incorrect but Reason is correct.But-1-ene and 2-methylprop-1-ene are chain isomers as But-1-ene (CH3CH2CH=CH2) has a straight chain and 2-methylprop-1-ene (CH3−C(CH3)=CH2) has a branched one.

Assertion :But-1-ene and 2-methylprop-1-ene are position isomers. Reason: Position isomers have same molecular formula but differ in position of functional group or $C = C .$

The correct option is D If Assertion is incorrect but Reason is correct.
But-1-ene and 2-methylprop-1-ene are chain isomers as But-1-ene ( $C H_{3} C H_{2} C H = C H_{2}$ ) has a straight chain and 2-methylprop-1-ene ( $C H_{3} - C (C H_{3}) = C H_{2}$ ) has a branched one.