50
Minutes
50
Questions
4 / -1
Marking
Q1. Spin only' magnetic moment is same for which of the following ions?
A. Ti³⁺
B. Cr²⁺
C. Mn²⁺
D. Fe²⁺
E. Sc³⁺
Choose the most appropriate answer from the options given below:
B and D only
A and E only
B and C only
A and D only
Q2. The most stable carbocation among the following is:
Q3. Given below are two statements:
Statement I: The boiling point of hydrides of Group-16 elements follow the order H₂O > H₂Te > H₂Se > H₂S.
Statement II: On the basis of molecular mass, H₂O is expected to have lower boiling point than the other members of the group but due to the presence of extensive H-bonding in H₂O, it has higher boiling point.
In the light of the above statements, choose the correct answer from the options given below:
Both statement-I and Statement-II are true
Both statement-I and Statement-II are false
Statement-I is true but Statement-II is false
Statement-I is false but Statement-II is true
Q4. Match List I with List II:
List I (Compound) - List II (Shape/geometry)
A. NH₃ - I. Trigonal Pyramidal
B. BrF₅ - II. Square Planar
C. XeF₄ - III. Octahedral
D. SF₆ - IV. Square Pyramidal
Choose the correct answer from the options given below:
A-I, B-IV, C-II, D-III
A-II, B-IV, C-III, D-I
A-III, B-IV, C-I, D-II
A-II, B-III, C-IV, D-I
Q5. The highest number of helium atoms is in:
4 mol of helium
4 u of helium
4 g of helium
2.271098 L of helium at STP
Q6. Identify the correct reagents that would bring about the following transformation:
(i) H₂O/H⁺ (ii) CrO₃
(i) BH₃ (ii) H₂O₂/OH⁻ (iii) PCC
(i) BH₃ (ii) H₂O₂/OH⁻ (iii) Alk. KMnO₄ (iv) H₃O⁺
(i) H₂O/H⁺ (ii) PCC
Q7. Match List I with List II:
List I (Process) - List II (Conditions)
A. Isothermal process - I. No heat exchange
B. Isochoric process - II. Carried out at constant temperature
C. Isobaric process - III. Carried out at constant volume
D. Adiabatic process - IV. Carried out at constant pressure
Choose the correct answer from the options given below:
A-IV, B-III, C-II, D-I
A-IV, B-II, C-III, D-I
A-I, B-II, C-III, D-IV
A-II, B-III, C-IV, D-I
Q8. Which one of the following alcohols reacts instantaneously with Lucas reagent?
1
2
3
4
Q9. In which of the following equilibria, Kp and Kc are NOT equal?
PCl₅(g) ⇌ PCl₃(g) + Cl₂(g)
H₂(g) + I₂(g) ⇌ 2HI(g)
CO(g) + H₂O(g) ⇌ CO₂(g) + H₂(g)
2BrCl(g) ⇌ Br₂(g) + Cl₂(g)
Q10. Match List I with List II:
List I (Quantum Number) - List II (Information provided)
A. mℓ - I. shape of orbital
B. ms - II. size of orbital
C. ℓ - III. orientation of orbital
D. n - IV. orientation of spin of electron
Choose the correct answer from the options given below:
A-I, B-III, C-II, D-IV
A-III, B-IV, C-I, D-II
A-III, B-IV, C-II, D-I
A-II, B-I, C-IV, D-III
Q11. Given below are two statements:
Statement I: Aniline does not undergo Friedel-Crafts alkylation reaction
Statement II: Aniline cannot be prepared through Gabriel synthesis.
In the light of the above statements, choose the correct answer from the options given below:
Both Statement I and Statement II are true
Both Statement I and Statement II are false
Statement I is correct but Statement II is false
Statement I is incorrect but Statement II is true
Q12. Intramolecular hydrogen bonding is present in:
1
2
3
4
Q13. On heating, some solid substances change from solid to vapour state without passing through liquid state. The technique used for the purification of such solid substances based on the above principle is known as:
Crystallization
Sublimation
Distillation
Chromatography
Q14. In which of the following processes entropy increases?
A. A liquid evaporates to vapour
B. Temperature of a crystalline solid lowered from 130 K to 0K
C. 2NaHCO₃(s) → Na₂CO₃(s) + CO₂(g) + H₂O(g)
D. Cl₂(g) → 2Cl(g)
Choose the correct answer from the options given below:
A and C
A, B and D
A, C and D
C and D
Q15. Among Group 16 elements, which one does NOT show -2 oxidation state?
O
Se
Te
Po
...and 35 more challenging questions available in the interactive simulator.