NEET Chemistry | Daily MCQs Practice Questions | 26 July 2024

1. Question

Which is correct order of their pK_b value for the given compounds :
i. CH₃^–
ii. OH^–
iii. CH₃COO^–
iv. NH₂^–

ii > iii > iv > i

iii > ii > iv > i

iv > iii > ii > i

iii > iv > i > ii

Correct Answer

Wrong Answer

2. Question

Represent the cell in which the following reaction takes place

Mg(s) + 2Ag⁺ (0.0001M) → Mg²⁺(0.130M) + 2Ag(s)

Calculate its E_(cell) if E^o_(cell) = 3.17 V.

6.29 V

9.69 V

1.96 V

2.96 V

Correct Answer

Wrong Answer

3. Question

Assuming the atomic weight of a metal M to be 56, find the molecular formula of its oxide containing 84 % of M.

M₃O₂

M₂O₃

MO

None of these

Correct Answer

Wrong Answer

4. Question

Given below are two statements :

Statement-I : Both [Fe(H₂O)₅NO]⁺² and [Cr(H₂O]₆ ]⁺³ complexes are octahedral and having similar magnetic behaviour.

Statement-II : Given both the complexes are paramagnetic.

Both Statement I and Statement II are incorrect

Statement I is correct but Statement II is incorrect

Statement I is incorrect but Statement II is correct

Both Statement I and Statement II are correct.

Correct Answer

Wrong Answer

5. Question

The mass of CaO that shall be obtained by heating 25 kg of 60% pure lime stone is:

8.4 ×10³ gm

1.80 ×10³ gm

8.4 ×10^–3 gm

8.96×10³ gm

Correct Answer

Wrong Answer

6. Question

Given below are two statements :

Statement I: The enthalpy change for a reaction does not depend upon the number of intermediate reaction steps.

Statement II : The enthalpy change for a reaction does not depend upon the difference in initial or final temperatures of involved substances.

In the light of the above statements, choose the most appropriate answer from the options given below :

Both Statement I and Statement II are incorrect

Statement I is correct but Statement II is incorrect

Statement I is incorrect but Statement II is correct

Both Statement I and Statement II are correct

Correct Answer

Wrong Answer

7. Question

Spin only magnetic moment is maximum for which of the following ion :

Ti⁺³

Cr⁺²

Mn⁺²

Correct Answer

Wrong Answer

8. Question

Correct order of resonance energy for :
a. thiophene
b. Pyrrole
c. Furan

c > b > a

b > c > a

b > a > c

a > b > c

Correct Answer

Wrong Answer

9. Question

Match List-I with List-II

List-I (Complex)	List-II (Type of isomerism)
A. [Co(NH $_3$ ) $_6$ ][Cr(CN) $_6$ ]	i. Hydrated isomerism
B. [Co(en) $_2$ Cl $_2$ ] $^+$	ii. Ionisation isomerism
C. [Cr(H $_2$ O) $_4$ Cl $_2$ ]Br	iii. Coordination isomerism
D. [Co(H $_2$ O) $_6$ ]Cl $_3$	iv. Geometrical isomerism

A-ii, B-i, C-iv, D-iii

A-iii, B-iv, C-ii, iv, D-i

A-iii, B-ii, C-ii, D-i

A-iii, B-ii, iv, C-ii, iv, D-i

Correct Answer

Wrong Answer

10. Question

The molecules that will have zero dipole moment is/ are :

trans-2-pentene

cis-3-hexene

trans-3-hexene

both 1 and 2

Correct Answer

Wrong Answer

11. Question

Match List-I with List-II

List-I (Species)	List-II (Reason of colour)
A. MnO $_4^-$	i. Charge transfer
B. MnO $_4^{2-}$	ii. d, d transition
C. CrO $_7^{2-}$	iii. Neither charge transfer nor d, d transition.
D. Cr $_2$ (SO $_4$ ) $_3$

A-ii, B-i, C-ii, D-iii

A-i, B-ii, C-i, D-ii

A-ii, B-iii, C-i, D-ii

A-iii, B-i, C-i, D-ii

Correct Answer

Wrong Answer

12. Question

The two isomers given below :

Enantiomers

Diastereomers

Mesomers

Positional isomers

Correct Answer

Wrong Answer

13. Question

Calculate the overall order of a reaction which has the rate expression
(a) Rate = k [A]^1/2 [B]^3/2
(b) Rate = k [A]^3/2 [B]^–1

a-Zero order, b-Second order

a-Second order, b-Half order

a-First order, b-Zero order

a-Half order, b-Second order

Correct Answer

Wrong Answer

14. Question

Which of the following resonance structure is the major contributor of the resonnance hybrid

I

II

Both have equal contribution

they are not resonance structure

Correct Answer

Wrong Answer

15. Question

The pair of metal ions which are diamagnetic :

Sc⁺³, Cu⁺²

Sc⁺³, Zn⁺²

Zn⁺², Cu⁺²

Sc⁺³, Ti⁺³

Correct Answer

Wrong Answer

16. Question

B is:

Benzoic Acid

None of these

Correct Answer

Wrong Answer

17. Question

$CH \equiv CH \to_{H_{2} {SO}_{4}}^{{HgSO}_{4}} X \overset{LiAIH}{\to} Y \to_{NaOH}^{{Br}_{2}} Z$

Z is:

Ethylidene bromide

Bromoform

Ethylene dibromide

Ethanoyl bromide

Correct Answer

Wrong Answer

18. Question

Given below are two statements :

Statement I: Aldehyde and ketones are generally prepared by oxidation of primary and secondary alcohol respectively.

Statement II : Treating a nitrile with grignard reagent followed by hydrolysis yields an alcohol.

In the light of the above statements, choose the most appropriate answer from the options given below :

Both Statement I and Statement II are incorrec

Statement I is correct but Statement II is incorrect

Statement I is incorrect but Statement II is correct

Both Statement I and Statement II are correct.

Correct Answer

Wrong Answer

19. Question

Which of the following has the lowest nucleophilicity :

F^–

OH^–

CH₃^–

NH₂^–

Correct Answer

Wrong Answer

20. Question

Match List-I with List-II

List-I (Compound)	List-II (Reagent)
A. Alcohol	i. Lucas test
B. Aldehyde	ii. DNP
C. Alkenes	iii. Bayer's test
D. 1° Amine	iv. Carbylamine test

Select the correct option from given options.

A-i, B-ii, C-iii, D-iv

A-iv, B-ii, C-iii, D-i

A-ii, B-i, C-iii, D-i

A-iii, B-i, C-ii, D-iv

NEET Chemistry | Daily MCQs Practice Questions | 26 July 2024 | NEET Exam

Engage with NEET chemistry Daily MCQs Practice Questions for NEET exam preparations through daily updated online quiz (26 July 2024).

1. Question

Correct Answer

Wrong Answer

2. Question

Correct Answer

Wrong Answer

3. Question

Correct Answer

Wrong Answer

4. Question

Correct Answer

Wrong Answer

5. Question

Correct Answer

Wrong Answer

6. Question

Correct Answer

Wrong Answer

7. Question

Correct Answer

Wrong Answer

8. Question

Correct Answer

Wrong Answer

9. Question

Correct Answer

Wrong Answer

10. Question

Correct Answer

Wrong Answer

11. Question

Correct Answer

Wrong Answer

12. Question

Correct Answer

Wrong Answer

13. Question

Correct Answer

Wrong Answer

14. Question

Correct Answer

Wrong Answer

15. Question

Correct Answer

Wrong Answer

16. Question

Correct Answer

Wrong Answer

17. Question

Correct Answer

Wrong Answer

18. Question

Correct Answer

Wrong Answer

19. Question

Correct Answer

Wrong Answer

20. Question

Correct Answer

Wrong Answer

Tags:

Related Posts