Assertion(A): Aldol condensation is usually carried out in a dilute solution of a strong base.
Reason(R): Concentrated solution of strong base involves Cannizzaro reaction.
 
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 statements.
Subtopic:  Name Reaction |
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Assertion(A): Formic acid reduces Tollen's reagent.
Reason(R): Compounds containing —CHO group reduce Tollen's reagent.

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 a true statement but R is false.
4. Both A and R are false statements.
Subtopic:  Name Reaction |
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Assertion(A): Lower aldehydes and ketones are soluble in water but the solubility decreases as the molecular masses increase.
Reason(R): Distinction between aldehydes and ketones can be made by Tollen's test.

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 a true statement but R is false.
4. Both A and R are false statements.
Subtopic:  Aldehydes & Ketones: Preparation & Properties | Name Reaction |
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Assertion(A): Isobutanal does not give an iodoform test.
Reason(R): It does not have \(\alpha-\)hydrogen.

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 a true statement but R is false.
4. Both A and R are false statements.
Subtopic:  Name Reaction |
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Assertion(A): \(~~~~~~~~~~~~O\\ ~~~~~~~~~~~~\|\\ HO-C-CH_3 \) does not undergo haloform reaction.
Reason(R): It has no \(\alpha-\)hydrogen atom.

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 a true statement but R is false.
4. Both A and R are false statements.
Subtopic:  Name Reaction |
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Match the chemical composition in List I with its name in List II.
                List I
Chemical Composition
                List II
Reagent
(A) Benzenesulphonyl chloride (I) Tollen's reagent
(B) Anhydrous ZnCl2 + Conc. HCl (II) Fehling A solution
(C) Ammoniacal silver nitrate (III) Hinsberg's reagent
(D) Aqueous CuSO4 solution (IV) Lucas reagent

Choose the correct answer from the options given below:
 
(A) (B) (C) (D)
1. (IV) (III) (I) (II)
2. (III) (IV) (I) (II)
3. (III) (IV) (II) (I)
4. (I) (II) (IV) (III)
Subtopic:  Name Reaction |
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Assertion(A): In crossed Cannizarro's reaction, HCHO is oxidized while C6H5CHO is reduced.
Reason(R): Nucleophile (OH-) attacks on HCHO. Hence, formaldehyde is oxidized.

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 a true statement but R is false.
4. Both A and R are false statements.
Subtopic:  Name Reaction |
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Identify the reaction(s) which do not give n-propyl benzene as a major product:
 
A.
B.
C.
D.

Choose the correct answer from the options given below: 
1. A only 
2. A and B only 
3. C and D only 
4. D only 
Subtopic:  Name Reaction |
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