AR & Other Type MCQs Organic Chemistry - Some Basic Principles And Techniques Chemistry NEET Practice Questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, and PDF solved with answers

1.	Statement I is correct and Statement II is incorrect.
2.	Statement I is incorrect and Statement II is incorrect.
3.	Statement I is correct and Statement II is correct.
4.	Statement I is incorrect and Statement II is correct.

Subtopic: Acidic & Basic Character |

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Q2:

Assertion (A):	To detect presence of halogens in an organic compound, some dilute nitric acid is added.
Reason (R):	Dilute HNO₃ destroys Na₂S and NaCN by oxidation

1.	Both (A) and (R) are True and (R) is the correct explanation of (A).
2.	Both (A) and (R) are True but (R) is not the correct explanation of (A).
3.	(A) is True but (R) is False.
4.	Both (A) and (R) are False.

Subtopic: Qualitative Analysis of Organic Compounds |

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Q3:

Assertion : C₆H₁₄ and C₅H₁₂both can show chain isomerism

Reason : C₆H₁₄ and C₅H₁₂ both form 3 chain isomers each, respectively

1. Both assertion and reason are true, and reason is the correct explanation of the assertion

2. Both assertion and reason are true, but reason is not correct explanation of the assertion

3. Assertion is true but reason is false

4. Both assertion and reason are false

Subtopic: Structural Isomers |

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Q4:

Given below are two statements:

Assertion (A):	Components of a mixture of red and blue inks can be separated by distributing the components between stationary and mobile phases in paper chromatography.
Reason (R):	The colored components of inks migrate at different rates because paper selectively retains different components according to the difference in their partition between the two phases.

1.	Both (A) and (R) are True and (R) is the correct explanation of (A).
2.	Both (A) and (R) are True but (R) is not the correct explanation of (A).
3.	(A) is True but (R) is False.
4.	(A) is False but (R) is True.

Subtopic: Purification of Organic Compounds |

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Q5:

Given below are two statements:

Assertion (A):	Sulphur present in an organic compound can be estimated quantitatively by the Carius method.
Reason (R):	Sulphur is separated easily from other atoms in the molecule and gets precipitated as a light yellow solid.

1.	Both (A) and (R) are True and (R) is the correct explanation of (A).
2.	Both (A) and (R) are True but (R) is not the correct explanation of (A).
3.	(A) is True but (R) is False.
4.	(A) is False but (R) is True.

Subtopic: Quantitative Analysis of Organic Compounds |

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Q6:

Given below are two statements:

Assertion (A):	All the carbon atoms in H₂C = C = CH₂ are sp²-hybridised.
Reason (R):	In this molecule, all the carbon atoms are attached to each other by double bonds.

1.	Both (A) and (R) are True and (R) is the correct explanation of (A).
2.	Both (A) and (R) are True but (R) is not the correct explanation of (A).
3.	(A) is True but (R) is False.
4.	(A) is False but (R) is True.

Subtopic: Hybridisation & Structure of Carbon Compounds |

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Q7:

Given below are two statements:

Assertion (A):	Pent-1-ene and pent-2-ene are position isomers.
Reason (R):	Position isomers differ in the position of a functional group or a substituent.

1.	Both (A) and (R) are True and (R) is the correct explanation of (A).
2.	Both (A) and (R) are True but (R) is not the correct explanation of (A).
3.	(A) is True but (R) is False.
4.	(A) is False but (R) is True.

Subtopic: Structural Isomers |

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Q8:

Given below are two statements:

Assertion (A):	Energy of resonance hybrid is equal to the average of energies of all canonical forms.
Reason (R):	Resonance hybrid cannot be presented by a single structure.

1.	Both (A) and (R) are True and (R) is the correct explanation of (A).
2.	Both (A) and (R) are True but (R) is not the correct explanation of (A).
3.	(A) is True but (R) is False.
4.	(A) is False but (R) is True.

Subtopic: Aromaticity & Polarity |

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Q9:

Given below are two statements:

Assertion (A):	Simple distillation can help in separating a mixture of propan-1-ol (boiling point 97 ° C ) and propanone (boiling point 56 ° C ).
Reason (R):	Liquids with a difference of more than 20 ° C in their boiling points can be separated by simple distillation.

1.	Both (A) and (R) are True and (R) is the correct explanation of (A).
2.	Both (A) and (R) are True but (R) is not the correct explanation of (A).
3.	(A) is True but (R) is False.
4.	(A) is False but (R) is True.

Subtopic: Qualitative Analysis of Organic Compounds |

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Q10:

Assertion (A):	CCl₄ doesn't give precipitate of AgCl on heating with AgNO₃.
Reason (R):	CCl₄ is a non-polar molecule.

1.	(A) is True and (R) is the correct explanation of (A).
2.	(A) is True but (R) is not the correct explanation of (A).
3.	(A) is True but (R) is False.
4.	Both (A) and (R) are False