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CHEMISTRY FULL SYLLABUS TEST-10

2

TEST SYLLABUS : COMPLETE CHEMISTRY

Your Target is to secure Good Rank in NEET - 2020

Important Instructions:

(1) There is only one correct option.

(2) Duration of Test is 1 Hour and Questions Paper Contains 45 Questions. The Max. Marks are 180.

(3) Each correct answer carries 4 marks, while 1 mark will be deducted for every wrong answer. Guessing of answer reduces your effort. 

1 / 45

In which of the following Tyndall effect is not observed ?

2 / 45

The pH of a solution is increased from 3 to 6; its H+ ion concentration will be

3 / 45

A compound of a metal ion M x+ (Z = 24) has a spin only magnetic moment of √15 Bohr Magnetons. The number of unpaired electrons in the compound are

4 / 45

The hypothetical complex chloro diaquatriamminecobalt (III) chloride can be represented as

5 / 45

Which one of the following arrangements represents the correct order of solubilities of sparingly soluble salts Hg2Cl2, Cr2(SO4)3, BaSO4 and CrCl3 respectively ?

6 / 45

The boiling point of a solution of 0.11 g of a substance in 15 g of ether was found to be 0.1°C higher than that of pure ether. The molecular weight of the substance will be (Kb = 2.16°K kg mol–1)

7 / 45

Identify the statement that is not correct as far as structure of diborane is concerned

8 / 45

Higher order (>3) reactions are rare due to :

9 / 45

Consider the following standard electrode potentials (E° in volts) in aqueous solution :

Based on these data, which of the following statements is correct ?

10 / 45

Which of the following is an expression of Raoults law if PA is the partial pressure of the solvent in a solution. P0A is the partial pressure of pure solvent and if XA and XB are the mole fraction of the solute and the solvent respectively?

11 / 45

Standard potentials (E°) for some half-reactions are given below :

(I) Sn4+ + 2e → Sn2+ ; E° = +0.15V

(II) 2 Hg2+ +2e →Hg22+   E° = +0.92V

(III) PbO2 + 4H+ + 2e → Pb2+ + 2H2O; E° = +1.45V

based on the above, which one of the following statements is correct?

12 / 45

In the following reaction sequence :

The compound I is :

13 / 45

Two closed bulbs of equal volume (V) containing an ideal gas initially at pressure pi and temperature T1 are connected through a narrow tube of negligible volume as shown in the figure

below. The temperature of one of the bulbs is then raised to T2. The final pressure pf is :

 

14 / 45

Which of the following cannot be made by using Williamson’s synthesis?

15 / 45

Phenol on reaction with Br2 in non-polar aprotic solvent furnishes

16 / 45

Match the columns

17 / 45

Which one of the following is most reactive towards nucleophilic substitution reaction?

18 / 45

Ozone is an important constituent of stratosphere because it

19 / 45

The decomposition of a substance follows first order kinetics. Its concentration is reduced to 1/ 8th of its initial value in 24 minutes. The rate constant of the decomposition process is

20 / 45

The first ionization energies of alkaline earth metals are higher than those of the alkali metals. This is because

21 / 45

Which of the following is correct order of acidity?

22 / 45

Both geometrical and optical isomerisms are shown by

23 / 45

On the basis of the information available from the reaction 4/3 Al +O2 → 2/3 Al2O3 . ΔG = -827 kJmol-1 of O2, the minimum e.m.f. required to carry out electrolysis of Al2O3 is (F = 96500 C mol–1)

24 / 45

(1) N2(g) + 3H2(g) ⇌ 2NH3(g), K1

(2) N2(g) + O2(g) ⇌ 2NO(g), K2

(3) H2(g) + 1/2O2(g) ⇌ H2O(g), K3

The equation for the equilibrium constant of the

reaction 2NH3(g) + 2/5 O (g) ⇌2NO(g) + 3H2O(g),

(K4) in terms of K1, K2 and K3 is :

25 / 45

Which one of the following is an example of homogeneous catalysis ?

26 / 45

Consider the following ionization enthalpies of two elements ‘A’ and ‘B’.

Which of the following statements is correct ?

27 / 45

Hydrogen peroxide acts both as an oxidising and as a reducing agent depending upon the nature of the reacting species. In which of the following cases H2O2 acts as a reducing agent in acid medium?

28 / 45

An ideal gas expands in volume from 1×10–3 to 1×10–2m3 at 300 K against a constant pressure of 1×105 Nm–2. The work done is

29 / 45

An element (X) forms compounds of the formula XCl3, X2O5 and Ca3X2 but does not form XCl5. Which of the following is the element X ?

30 / 45

In which of the following pairs, there is greatest difference in the oxidation number of the underlined elements ?

31 / 45

The most electropositive metals are isolated from their ores by

32 / 45

Which of the following order is wrong?

33 / 45

Which of the following is a polyamide molecule?

34 / 45

The values of Planck's constant is 6.63 × 10–34 Js.The velocity of light is 3.0 × 108 m s–1. Which value is closest to the wavelength in nanometres of a quantum of light with frequency of 8 × 1015 s–1

35 / 45

The enthalpy of formation for C2H4 (g) CO2 (g) and H2O (l) at 25º C and 1 atm pressure are 52, –394 and – 286 kJ mol–1 respectively. The enthalpy of combustion of C2H4 (g) will be

36 / 45

Which among the following factors is the most important in making fluorine the strongest oxidizing halogen ?

37 / 45

In which of the following sets, all the given species are isostructural ?

38 / 45

A metallic crystal crystallizes into a lattice containing a sequence of layers AB AB AB......Any packing of spheres leaves out voids in the lattice. What percentage of volume of this lattice is empty space?

39 / 45

Iron sulphide is heated in air to form A, an oxide of sulphur. A is dissolved in water to give an acid. The basicity of this acid is

40 / 45

The electronic configuration of elements A, B and C are [He] 2s1, [Ne] 3s1 and [Ar] 4s1 respectively. Which one of the following order is correct for IE1 (in kJ mol–1) of A, B and C?

41 / 45

Which metal is present in brass, bronze and German silver?

42 / 45

α-D- Glucose and β- D-glucose differ from each other due to difference in one carbon with respect to its

 

43 / 45

Which of the following is strongest Lewis base?

44 / 45

Which of the following products is formed when benzaldehyde is treated with CH3MgBr and the addition product so obtained is subjected to acid hydrolysis ?

45 / 45

Identify the incorrect statement :

Your score is

The average score is 9%

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