NEET Chemistry | Daily MCQs Practice Questions | 18 July 2024 | NEET Exam

Engage with NEET chemistry Daily MCQs Practice Questions for NEET exam preparations through daily updated online quiz (18 July 2024).

Jul 18, 2024 - 06:32
Jul 20, 2024 - 08:22
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1. Question

Incorrect about the reaction is -
(1) Ortho and Para isomers can be easily separated due to large difference in their boiling point.
(2) Reaction with iodine are reversible in nature.
(3) Due to high reactivity of fluorine. Fluoro compounds are not prepared by this method.
(4) It is a reversible reaction, if X2 is chlorine. 

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2. Question

Find incorrect match.

A→P
B→Q
C→R
D→S

3. Question

In which of the following reaction Benzaldehyde is not formed?

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4. Question

Find the correct statement.

Most naturally occurring amino acids have L-configuration.
During denaturation of protein, 2°and 3°structures are destroyed but 1°-structure remains intact.
Vitamin B1 is named as thiamine.
All

5. Question

In carius method of estimation of halogen, 0.15 g of an organic compound gave 0.12 g of AgBr.
Find out the % of Bromine in compound.

34.04%
42.10%
56%
28%

6. Question

Consider the following statements.

(i) Electronegativity of an element is not a measurable properly.
(ii) Energy is always required to remove electrons from an atom and hence ionisation enthalpies are always positive for any atom.
(iii) Cl2O7 is most acidic and Na2O is least basic oxide in 3ed period.
(iv) The 2s electron of delete lithium experiences a net positive charge which is more than the actual charge of +3.

The correct statement/statements amongthe above.

i, ii, iii
i, ii
i, ii, iv
ii, iii, iv

7. Question

Which of the following have equal bond orders?

(i) and (ii)
(ii) and (iii)
(iii) and (iv)
(i) and (iv)

8. Question

Which of the following statements are true (T) and which are false (F)?

S1 = [NiCl4 ]-2 is paramagnetic while [Ni(CO)4 ] is diamagnetic

S2 = The spin only magnetic moment of [MnBr4 ]-2 is 5.9 BM.

S3 = Excess of copper and iron are removed by the chelating ligands, D-penicillamine and desferrioxime-B via the formation of coordination compounds.

TTF
TTT
TFT
FTT

9. Question

Correct match is :-

(1) Melting Point B > Al
(2) H₂O < H₂S < H₂Se Increasing pKapK_a value
(3) SO₂ < SeO₂ < TeO₂ Increasing reducing power
(4) HClO < HClO₂ < HClO₃ < HClO₄ Increasing oxidising power
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10. Question

In layer test of IΘ and BrΘ, if violet layer comes first then.

(1) BrΘ Absent
(2) IΘ Present
(3) Both (1) and (2)
(4) None of these

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11. Question

Match the items in Column-I with items in Column-II

Column-I Column-II
(i) CH₃COONa in water (a) Cationic hydrolysis
(ii) NH₄Cl in water (b) Neutral solution which does not undergo hydrolysis
(iii) NaCl in water (c) Anionic hydrolysis
(iv) CH₃COONH₄ in water (d) Both cationic and anionic hydrolysis
(i)-(c), (ii)-(a), (iii)-(d), (iv)-(b)
(i)-(a), (ii)-(c), (iii)-(d), (iv)-(b)
(i)-(c), (ii)-(a), (iii)-(b), (iv)-(d)
(i)-(a), (ii)-(c), (iii)-(b), (iv)-(d)

12. Question

Match the column:

Column-I Column-II
(A) 0.0052 (P) Two significant figures
(B) 2.005 (Q) Three significant figures
(C) 200 eggs (R) Four significant figures
(D) 4.01 × 10² (S) Infinite significant figures
(A)-(R), (B)-(P), (C)-(S), (D)-(Q)
(A)-(P), (B)-(R), (C)-(Q), (D)-(S)
(A)-(P), (B)-(R), (C)-(S), (D)-(Q)
(A)-(R), (B)-(P), (C)-(Q), (D)-(S)

13. Question

CaCO3(s)(s)+CO2(g)

Experimentally, it has been found that at 1100K, the pressure of CO2 gas is 2.0×105 Pa at equilibrium. Equilibrium constant (Kp ) at 1100 K for the above reaction is :

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14. Question

Consider the statements given below:

(A) For the spontaneous cell reaction Ecell>0E_{cell} > 0 and ΔrG<0\Delta_rG < 0

(B) Kohlrausch law of independent migration of ions is applicable for strong electrolytes only

(C) In a mercury cell, the product at cathode is Hg (l)

(D) The conductivity of electrolytic solution increases with increase in temperature

Select the correct option given below considering whether statement is true (T) or False (F):

TFTF
TFTT
FTFT
TFFT

15. Question

Match the column-I with column-II

Column-I Column-II
(A) Thermal decomposition of HI on gold surface (P) Zero order reaction
(B) Inversion of cane sugar (Q) Pseudo first order reaction
(C) Hydrogenation of ethene (R) First order reaction
(D) The decomposition of gaseous ammonia on a hot platinum surface at high pressure (S) Second order reaction
A→P, B→Q, C→S, D→P
A→Q, B→P, C→S, D→R
A→P, B→Q, C→R, D→P
A→P, B→Q, C→R, D→S