NEET Exam paper 2 for practice

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NEET Sample Paper set 2

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Match the following:

Which of the following is correct option ?

1 (a)→(i)(b)→(ii)(c)→(iii)(d)→(iv)

2 (a)→(ii)(b)→(i)(c)→(iv)(d)→(iii)

3 (a)→(iii)(b)→(iv)(c)→(i)(d)→(ii)

4 (a)→(iv)(b)→(iii)(c)→(ii)(d)→(i)

2

Identify the correct statements from the following:
(a) CO₂(g)CO₂(g) is used as refrigerant for ice-cream and frozen food.
(b) The structure of C₆₀C₆₀ contains twelve six carbon rings and twenty five carbon rings.
(c) ZSM−5ZSM−5, a type of zeolite, is used to convert alcohols into gasoline.
(d) COCO is colorless and odourless gas.

1 (a), (b) and (c) only

2 (a) and (c) only

3 (b) and (c) only

4 (c) and (d) only

3

Hydrolysis of sucrose is given by the following reaction. Sucrose+H₂0?Glucose+FructoseSucrose+H20?Glucose+Fructose
If the equilibrium constant (K_c)(K_c) is 2×10¹³ at 300K, the value of Δ_rG^?at the same temperature will be :

1 −8.314Jmol−1K−1×300K×ln(2×1013)

2 8.314mol−1K−1×300K×ln(2×1013)

3 8.314Jmol−1300K×ln(3×1013)

4 −8.314Jmol−1K−1×300K×In(4×1013)

4

Which of the following oxoarid of sulphur has -O-O- linkage?

1 H2SO3 , sulphurous acid

2 H2SO4 sulphuric acid

3 H2S2O8 , peroxodisulphuric acid

4 H2S2O7 , pyrosulphuric acid

5

An element has a body centered cubic (bcc) structure with a cell edge of 288 pm. The atomic radiusis:

1 √3/4×288pm

2 √2/4×288pm

3 √4/3×288pm

4 √3/2×288pm

6

What is the number of octahedral void(s) per atom present in a cubic dose-packed structure ?

1 1

2 3

3 2

4 6

7

What will be the equilibrium constant of the given reaction carried out in a 5L vessel and having equilibrium amounts of A2A2 and AA as 0.50.5 mole and 2×10⁻⁶mole respectively ?
The reaction : A2?−−?2A

1 0.16×10−11

2 0.25×105

3 0.4×10−5

4 0.2×10−11

8

Which of the following product (s) is/are formed when fructose is treated with Na- Hgin water ?

1 Sorbitol and Mannitol

2 Sorbitol and n -Hexane

3 Mannitol and n -Hexane

4 Gluconic acid

9

What will be the products when benzaldehyde is treated with NaOD in D₂O ?

1 C6H5CH2OD and C6H5COONa

2 C6H5CH2OD and C6H5COOD

3 C6H5CHDOD and C6H5COONa

4 C6H5COOCHDC6H5

10

Dacron is continuous filament yarn used in curtains, dress fabrics and pressure fire hoses. The reaction for preparing dacron is by the combination of which of the following ?

1 Hexamethylene diamine and adipic acid

2 Caprolactum

3 Phenol and formaldehyde

4 Ethylene glycol and terephthalic acid

11

Match the following

1 A → (III) , B → (I) , C → (V) , D → (II), E → (IV) .

2 A → (V), B → (IV) , C → (II), D → (I), E → (III).

3 A → (V), B → (III), C → (II), D → (I), E → (IV) .

4 A → (V), B → (IV) , C → (II), D → (III), E → (I).

12

A binary solid has a primitive cubical structure with B− ions constituting the lattice points and A+ ions occupying 25% of its tetrahedral holes. The molecular formula of the crystal is

1 AB

2 A2B

3 AB2

4 AB4

13

In which one of the following, d-d transition involves absorption in the ultraviolet region

1 Cu(H2O)4]2+

2 [Ti(H2O)6]3+

3 [Co(NH3)6]3+

4 [Co(CN)6]3−

14

In Wolff-Kishner reduction, the carbonyl group of aldehydes and ketones is converted into

1 —CH2OH

2 —CH2—

3 —CH3

4 —CHOH—