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# Test: Chemistry Mock Test - 10

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## 45 Questions MCQ Test NEET Mock Test Series | Test: Chemistry Mock Test - 10

Test: Chemistry Mock Test - 10 for NEET 2023 is part of NEET Mock Test Series preparation. The Test: Chemistry Mock Test - 10 questions and answers have been prepared according to the NEET exam syllabus.The Test: Chemistry Mock Test - 10 MCQs are made for NEET 2023 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Chemistry Mock Test - 10 below.
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Test: Chemistry Mock Test - 10 - Question 1

### Action of zine dust on tetra bromo-ethane gives

Test: Chemistry Mock Test - 10 - Question 2

### A salt is heated first with dil. H₂SO₄. No reaction takes place. It may be

Test: Chemistry Mock Test - 10 - Question 3

### Methyl benzene can be prepared by reacting benzene with bromo-methane in the presence of

Test: Chemistry Mock Test - 10 - Question 4
Which of the following sets of quantum numbers belongs to highest energy?
Test: Chemistry Mock Test - 10 - Question 5
Acetaldehyde is the rearrangement product of
Test: Chemistry Mock Test - 10 - Question 6
Night blindness is caused by the deficiency of
Test: Chemistry Mock Test - 10 - Question 7
BCl₃ molecule is planar while NCl₃ is pyramidal because
Test: Chemistry Mock Test - 10 - Question 8
Internal energy change when system goes from state A to B is 40 KJ/mol. If the system goes from A to B by reversible path and returns to state A by irreversible path, what would be net change in internal energy ?
Test: Chemistry Mock Test - 10 - Question 9
Which one of the following informations can be obtained on the basis of Le Chatelier principle ?
Test: Chemistry Mock Test - 10 - Question 10
In the titration between oxalic acid and acidified potassium permanganate, the manganous salt formed catalyses the reaction. The manganous salt is
Test: Chemistry Mock Test - 10 - Question 11
One of the oxidants used with liquid propellants is
Test: Chemistry Mock Test - 10 - Question 12

Calculate enthalpy of formation of ethylene from the following data:

Test: Chemistry Mock Test - 10 - Question 13

Which of the following has sp2 hybridisation ?

Test: Chemistry Mock Test - 10 - Question 14
Which one of the following represents the correct order of electronegativity
Detailed Solution for Test: Chemistry Mock Test - 10 - Question 14 The electronegativity values for the representative elements increase along a period from left to right and decrease down a group. This is because, as we move along the period from left to right nuclear charge increases and atomic radius decreases whereas when we move down the group, the atomic radius as well as screening effect increases. Thus, the order of electronegativity of N, O and P is
$O>N>P$
Test: Chemistry Mock Test - 10 - Question 15
Potassium permanganate oxidises sulphur dioxide to
Test: Chemistry Mock Test - 10 - Question 16
Which of the following is not considered as an organometallic compound?
Test: Chemistry Mock Test - 10 - Question 17
Cryolite is
Test: Chemistry Mock Test - 10 - Question 18
Three faradays of electricity was passed through an aqueous solution of Iron (II) bromide. The weight of iron metal (at. wt = 50) deposited at the cathode is
Test: Chemistry Mock Test - 10 - Question 19

If 0.44 g of a colourless oxide of nitrogen occupies 224 ml at 1520 mm hg and 273oC, then the compound is

Test: Chemistry Mock Test - 10 - Question 20
The gas evolved on heating Na₂CO₃ is
Test: Chemistry Mock Test - 10 - Question 21
Which one of the following elements is a non-metal
Test: Chemistry Mock Test - 10 - Question 22

The ion that can be preciitated by HCl as well as H₂S is

Test: Chemistry Mock Test - 10 - Question 23
Which one of the following oxides is most acidic ?
Test: Chemistry Mock Test - 10 - Question 24
Copper turning when heated with conc.H₂SO₄ gives
Test: Chemistry Mock Test - 10 - Question 25

Which of the following can give iodometric titration?

Test: Chemistry Mock Test - 10 - Question 26

Alkaline earth metals form ions of the formula

Test: Chemistry Mock Test - 10 - Question 27

Which of the following isomers will have the highest boiling point ?

Test: Chemistry Mock Test - 10 - Question 28
The property of hydrogen which distinguishes it from alkali metals is
Test: Chemistry Mock Test - 10 - Question 29
When ethylamine is heated with chloroform and alcoholic KOH, a compound with offensive smell is obtained. This compound is
Test: Chemistry Mock Test - 10 - Question 30
pH of a solution is defined by the expression
Test: Chemistry Mock Test - 10 - Question 31
Which of the following is not metamer?
Test: Chemistry Mock Test - 10 - Question 32

Which of the following is least basic?

Test: Chemistry Mock Test - 10 - Question 33
If acetyl chloride is reduced in the presence of BaSO₄ and Pd, then
Test: Chemistry Mock Test - 10 - Question 34

following step is :
CH3 CH3 + Cl· → CH3 CH2 + HCl

Test: Chemistry Mock Test - 10 - Question 35

Name the catalyst used in commercial method of preparation of phenol.

Test: Chemistry Mock Test - 10 - Question 36
WHich of the following polymer is an example of fibre?
Test: Chemistry Mock Test - 10 - Question 37
The electronegativity follows the order
Detailed Solution for Test: Chemistry Mock Test - 10 - Question 37 The electronegativity values for the elements decrease down a group. This is because as we move down the group atomic radius as well as screening effect increases. Thus, the force of attraction with which the nucleus pulls the valence electrons towards itself decreases and consequently the electronegativity values also decrease. The electronegativity values follows the order:
F > Cl > Br > I
Test: Chemistry Mock Test - 10 - Question 38
A hydrocarbon has C = 85.72% and rest being hydrogen.The hydrocarbon is
Test: Chemistry Mock Test - 10 - Question 39

The oxidation number of S in SO₄⁻2 is

Test: Chemistry Mock Test - 10 - Question 40
To get n-type doped semiconductor, impurity to be added to silicon should have the following number of valence electrons
Test: Chemistry Mock Test - 10 - Question 41
Which of the following is not a colligative property?
Test: Chemistry Mock Test - 10 - Question 42
The number of asymmetric carbon atoms in tartaric acid is:
Test: Chemistry Mock Test - 10 - Question 43

If 0.5 mol of BaCl₂ is mixed with 0.2 mol of Na₃PO₄, the maximum number of mole of Ba₃(PO₄)₂ that can be formed is

Detailed Solution for Test: Chemistry Mock Test - 10 - Question 43

2 mol of Na3PO4 reacts with 3 mol of BaCl2 to form 1 mol Ba3(PO4)2
∴ 0.2 mol of Na3PO4 reacts with 0.3 mol of BaCl2 to form 0.1 mol Ba3(PO4)2.
Thus,Na3PO4 is limiting reagent here.

Test: Chemistry Mock Test - 10 - Question 44
Colloidal gold is prepared by
Test: Chemistry Mock Test - 10 - Question 45
Which of the following is not a property of the transition elements?

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