Assertion : Conductivity of all electrolytes decreases on dilution. Reason : On dilution number of ions per unit volume decreases. (A) Both assertion and reason are true and the reason is the correct explanation of assertion. (B) Both assertion and reason are true and the reason is not the correct explanation of assertion. (C) Assertion is true but the reason is false. (D) Assertion is false but the reason is true.

Assertion : Λᵒ m for weak electrolytes shows a sharp increase when the electrolytic solution is diluted. Reason : For weak electrolytes degree of dissociation increases with dilution of solution. (A) Both assertion and reason are true and the reason is the correct explanation of assertion. (B) Both assertion and reason are true and the reason is not the correct explanation of assertion. (C) Assertion is true but the reason is false. (D) Assertion is false but the reason is true.

Assertion: \(E_o\) cell should have a positive value for the cell to function. Reason: \(E_{cathode}\) < \(E_{anode}\). (A) Both assertion and reason are true and the reason is the correct explanation of assertion. (B) Both assertion and reason are true and the reason is not the correct explanation of assertion. (C) Assertion is true but the reason is false. (D) Assertion is false but the reason is true.

Assertion: Amino acids in protein remain intact even when it is denatured. Reason: The primary structure of protein is broken to give individual aminoacids on denaturation. A. Assertion and reason both are correct statements and reason is correct explanation for assertion. B. Assertion and reason both are correct statements but reason is not correct explanation for assertion. C. Assertion is correct statement but reason is wrong statement. D. Assertion is wrong statement but reason is correct statement.

Assertion: D (+) -Glucose is dextrorotatory in nature. Reason: D represents its dextrorotary nature. A. Assertion and reason both are correct statements and reason is correct explanation for assertion. B. Assertion and reason both are correct statements but reason is not correct explanation for assertion. C. Assertion is correct statement but reason is wrong statement. D. Assertion is wrong statement but reason is correct statement.

Assertion: Glycine is not optically optically active. Reason: There is no asymmetrical carbon in glycine to make it chiral. A. Assertion and reason both are correct statements and reason is correct explanation for assertion. B. Assertion and reason both are correct statements but reason is not correct explanation for assertion. C. Assertion is correct statement but reason is wrong statement. D. Assertion is wrong statement but reason is correct statement.

Assertion: The bond between adenine and thymine is stronger than the bond between Cytocine and guanine. Reason: Cytosine and guanine have a triple hydrogen bond while adenine and thymine have a double hydrogen bond A. Assertion and reason both are correct statements and reason is correct explanation for assertion. B. Assertion and reason both are correct statements but reason is not correct explanation for assertion. C. Assertion is correct statement but reason is wrong statement. D. Assertion is wrong statement but reason is correct statement.

Assertion: Addition reaction of water to but-1-ene in acidic medium yields butan-2-ol. Reason: Addition of water in acidic medium proceeds through the formation of primary carbocation. (a) Both assertion and reason are true and the reason is the correct explanation of assertion. (b) Both assertion and reason are true but the reason is not the correct explanation of assertion. (c) Assertion is true but reason is false. (d) Assertion is false but reason is true.

Assertion: Boiling points of alcohols are greater than ethers of same molar mass. Reason: Ethers can form intermolecular hydrogen-bonding with each other. (a) Both assertion and reason are true and the reason is the correct explanation of assertion. (b) Both assertion and reason are true but the reason is not the correct explanation of assertion. (c) Assertion is true but reason is false. (d) Assertion is false but reason is true.

Assertion: Bond angle in ethers is slightly less than the tetrahedral angle. Reason: There is a repulsion between the two bulky (-R) groups. (a) Both assertion and reason are true and the reason is the correct explanation of assertion. (b) Both assertion and reason are true but the reason is not the correct explanation of assertion. (c) Assertion is true but reason is false. (d) Assertion is false but reason is true.

Assertion: Ethanol is a weaker acid than phenol. Reason: Sodium ethoxide may be prepared by the reaction of ethanol with aqueous NaOH. (a) Both assertion and reason are true and the reason is the correct explanation of assertion. (b) Both assertion and reason are true but the reason is not the correct explanation of assertion. (c) Assertion is true but reason is false. (d) Assertion is false but reason is true.

Assertion: IUPAC name of the compound is 2-Ethoxy-2-methylethane. Reason: In IUPAC nomenclature, ether is regarded as hydrocarbon derivative in which a hydrogen atom is replaced by -OR or -OAr group [where R = alkyl group and Ar = aryl group] (a) Both assertion and reason are true and the reason is the correct explanation of assertion. (b) Both assertion and reason are true but the reason is not the correct explanation of assertion. (c) Assertion is true but reason is false. (d) Assertion is false but reason is true.

Assertion: Like bromination of benzene, bromination of phenol is also carried out in the presence of Lewis acid. Reason: Lewis acid polarises the bromine molecule. (a) Both assertion and reason are true and the reason is the correct explanation of assertion. (b) Both assertion and reason are true but the reason is not the correct explanation of assertion. (c) Assertion is true but reason is false. (d) Assertion is false but reason is true.

Assertion: o-Nitrophenol is less soluble in water than the m- and p-isomers. Reason: m- and p- Nitrophenols exist as associated molecules. (a) Both assertion and reason are true and the reason is the correct explanation of assertion. (b) Both assertion and reason are true but the reason is not the correct explanation of assertion. (c) Assertion is true but reason is false. (d) Assertion is false but reason is true.

Assertion: p-nitrophenol is more acidic than phenol. Reason: Nitro group helps in the stabilisation of the phenoxide ion by dispersal of negative charge due to resonance. (a) Both assertion and reason are true and the reason is the correct explanation of assertion. (b) Both assertion and reason are true but the reason is not the correct explanation of assertion. (c) Assertion is true but reason is false. (d) Assertion is false but reason is true.