1
AIIMS 2018
MCQ (Single Correct Answer)
+1
-0.33

Assertion (A) Toxic metal ions are removed by the chelating ligands.

Reason (R) Chelate complexes tend to be more stable.

A
Both (A) and (R) are true and (R) is the correct explanation of (A).
B
Both (A) and (R) are true, but (R) is not the correct explanation of (A).
C
(A) is true and (R) is false.
D
Both (A) and (R) are false.
2
AIIMS 2018
MCQ (Single Correct Answer)
+1
-0.33

Assertion (A) IUPAC name of the compound

AIIMS 2018 Chemistry - Alcohol, Phenols and Ethers Question 1 English

Reason (R) In IUPAC nomenclature, ether is regarded as hydrocarbon derivative in which a hydrogen atom is replaced by-OR or- $$\mathrm{O} A r$$ group [where, $$R=$$ alkyl group and $$A r=\operatorname{aryl}$$ group].

A
Both (A) and (R) are true and (R) is the correct explanation of (A).
B
Both (A) and (R) are true, but (R) is not the correct explanation of (A).
C
(A) is true and (R) is false.
D
Both (A) and (R) are false.
3
AIIMS 2018
MCQ (Single Correct Answer)
+1
-0.33

Assertion (A) The reaction

$$\begin{aligned} 2 \mathrm{NO}+\mathrm{O}_2 & \longrightarrow 2 \mathrm{NO}_2 \\ \text { and } \quad 2 \mathrm{CO}+\mathrm{O}_2 & \longrightarrow 2 \mathrm{CO}_2 \end{aligned}$$

proceeds at the same rate because they are similar.

Reason (R) Both the reactions have same activation energy.

A
Both (A) and (R) are true and (R) is the correct explanation of (A).
B
Both (A) and (R) are true, but (R) is not the correct explanation of (A).
C
(A) is true and (R) is false.
D
Both (A) and (R) are false.
4
AIIMS 2018
MCQ (Single Correct Answer)
+1
-0.33

Assertion (A) The boiling points of alkyl halides decrease in the order $$R \mathrm{I}>R \mathrm{Br}>\mathrm{RCl}>\mathrm{RF}$$.

Reason (R) The boiling points of alkyl chlorides, bromides and iodides are considerably higher than that of the hydrocarbon of comparable molecular mass.

A
Both (A) and (R) are true and (R) is the correct explanation of (A).
B
Both (A) and (R) are true, but (R) is not the correct explanation of (A).
C
(A) is true and (R) is false.
D
Both (A) and (R) are false.
EXAM MAP