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CHEMISTRY FULL SYLLABUS TEST-7

3

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

Graph between log(x/m) and log p is a straight line at angle 45° with intercept OA as shown. Hence, (x/m) at a pressure of 0.2 atm is

2 / 45

Which of the following metal ions will form complexes with the same magnetic moment and geometry irrespective of the nature of ligands?

3 / 45

Which of the following is commercially known as oxone ?

4 / 45

H2S(g) → HS- (g) + H+ (g), ΔH°=x1

ΔH0f[H2S(g)]=x2 ,  ΔH0f[H(g)]=x3

hence, ΔH0f[HS(g)]- is

5 / 45

When CH3Cl and AlCl3 are used in Friedel-Crafts reaction, the electrophile is

6 / 45

Which of the following can not be isoelectronic?

7 / 45

The optically inactive compound from the following is :

8 / 45

The correct statement for the molecule, CsI3 is:

9 / 45

If K1 and K2 are respective equilibrium constants for the two reactions

XeF6 (g) + H2O (g) ⇌ XeOF4 (g) + 2HF (g)
XeO4(g) + XeF6(g) ⇌ XeOF4(g) + XeO3F2(g)
the equilibrium constant for the reaction
XeO4 (g) + 2HF (g) ⇌XeO3F2 (g) + H2O (g)
will be

10 / 45

Identify the correct order of electron affinity for O-, O, F- and Na+.

11 / 45

Pollution in large cities can be checked only by

12 / 45

Which of the following may be considered to be an organometallic compound?

13 / 45

The unusual properties of water in the condensed phase (liquid and solid states) are due to the

14 / 45

All form ideal solution except

15 / 45

A straight chain hydrocarbon has the molecular formula C8H10. The hybridization of the carbon atoms from one end of the chain to the other are respectively sp3, sp2, sp2, sp3, sp2, sp and sp. The structural formula of the hydrocarbon would be :

16 / 45

One mole of an ideal gas is allowed to expand reversibly and adiabatically from a temperature of 27°C. If the work done during the process is 3 kJ, then final temperature of the gas is (Cv = 20 J/K)

17 / 45

Among the following pairs of ions, the lower oxidation state in aqueous solution is more stable than the other, in :

18 / 45

Which of the following statements is incorrect regarding benzyl chloride?

19 / 45

Aqueous solution of group 2 is precipitated by adding Na2CO3, then this precipitate is tested on flame, no light in visible region is observed , this element can be

20 / 45

Two electrolytic cells, one containing acidified ferrous chloride and another acidified ferric chloride, are connected in series. The ratio of iron deposited at cathodes in the two cells will be :

21 / 45

In qualitative analysis, the metals of Group I can be separated from other ions by precipitating them as chloride salts. A solution initially contains Ag+ and Pb2+ at a concentration of 0.10 M. Aqueous HCl is added to this solution until the Cl- concentration is 0.10 M. What will the concentrations of Ag+ and Pb2+ be at equilibrium?

(Ksp for AgCl = 1.8 × 10-10,
Ksp for PbCl2 = 1.7 × 10-5)

22 / 45

The correct order of increasing [H3O+] in the following aqueous solutions is

23 / 45

Solid Ba(NO3)2 is gradually dissolved in a 1.0 × 10-4 M Na2CO3 solution. At which concentration of Ba2+, precipitate of BaCO3 begins to form ? (Ksp for BaCO3 = 5.1 × 10-9)

24 / 45

Which is not correct regarding the adsorption of a gas on surface of solid?

25 / 45

A reaction at 1 bar is non–spontaneous at low temperature but becomes spontaneous at high temperature. Identify the correct statement about the reaction among the following :

26 / 45

Which of the following statements, about the advantage of roasting of sulphide ore before reduction is not true?

27 / 45

A compound X, of boron reacts with NH3 on heating to give another compound Y which is called inorganic benzene. The compound X can be prepared by treating BF3 with lithium
aluminium hydride. The compounds X and Y are represented by the formulas.

28 / 45

Match the organic compounds in column-I with the Lassaigne’s test results in column-II appropriately :

29 / 45

The rate law for the reaction below is given by the expression k [A][B]

A + B → Product
If the concentration of B is increased from 0.1 to 0.3 mole, keeping the value of A at 0.1 mole, the rate constant will be:

30 / 45

The hypothetical complex chlorodiaquotriammine cobalt (III) chloride can be represented as

31 / 45

On adding 0.1 M solution each of [Ag+], [Ba2+],[Ca2+] in a Na2SO4 solution, species first precipitated is [Ksp BaSO4 = 10-11, Ksp CaSO4 = 10-6, KspAg2SO4 = 10-5]

32 / 45

The standard electrode potentials of four elements A, B, C and D are –3.05, –1.66, –0.40 and +0.80. The highest chemical reactivity will be exhibited by :

33 / 45

The alkaline earth metals Ba, Sr, Ca and Mg may be arranged in the order of their decreasing first ionisation potential as

34 / 45

Acetylenic hydrogens are acidic because

35 / 45

Which of the following statements are correct?
(i) Cationic detergents have germicidal properties
(ii) Bacteria can degrade the detergents containing highly branched chains.
(iii) Some synthetic detergents can give foam even in ice cold water.
(iv) Synthetic detergents are not soaps.

36 / 45

One litre of 1 M CuSO4 solution is electrolysed. After passing 2 F of electricity, molarity of CuSO4 solution will be

37 / 45

Which of the following has correct increasing basic strength ?

38 / 45

Which one of the following statements concerning lanthanide elements is false?

39 / 45

For the compounds CH3Cl, CH3Br, CH3I and CH3F, the correct order of increasing C-halogen bond length is:

40 / 45

The fraction of total volume occupied by the atoms present in a simple cube is

 

41 / 45

Carbon and CO gas are used to reduce which of he following pairs of metal oxides for extraction of metals ?

42 / 45

The monomer of the polymer;

43 / 45

A and B in the following reactions are

44 / 45

Enthalpy and entropy change for a chemical reaction are –2.5 × 103 cals and 7.4 cals deg-1 respectively. At 25°C the reaction is

45 / 45

In the following reaction ‘A ’ is

Your score is

The average score is 17%

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