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VITEEE Chemistry Test - 1 - JEE MCQ


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30 Questions MCQ Test - VITEEE Chemistry Test - 1

VITEEE Chemistry Test - 1 for JEE 2024 is part of JEE preparation. The VITEEE Chemistry Test - 1 questions and answers have been prepared according to the JEE exam syllabus.The VITEEE Chemistry Test - 1 MCQs are made for JEE 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for VITEEE Chemistry Test - 1 below.
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VITEEE Chemistry Test - 1 - Question 1
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Ethyl alcohol on oxidation with K₂Cr₂O₇ gives

Detailed Solution for VITEEE Chemistry Test - 1 - Question 1

Ethyl alcohol on controlled oxidation with acidified K2​Cr2​O7​ gives ethanal and on complete oxidation gives ethanoic acid.

VITEEE Chemistry Test - 1 - Question 2
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Which of the following compounds will undergo self aldol condensation in the presence of cold dilute alkali?

Detailed Solution for VITEEE Chemistry Test - 1 - Question 2
For aldol condensation ,on carbonyl`s alpha position presence of sp3 hybridized carbon with alpha hydrogen must be there. In option a and c there is absence of sp3 hybridized alpha carbon. So answer is (b)
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VITEEE Chemistry Test - 1 - Question 3
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Which of the following reagent react differently with HCHO and CH₃CHO and CH₃COCH₃

VITEEE Chemistry Test - 1 - Question 4
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Wurtz reaction involves the interaction of alkyl halides in dry ether with
VITEEE Chemistry Test - 1 - Question 5
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1-Butene may be converted to butane by reaction with
VITEEE Chemistry Test - 1 - Question 6
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The maximum amount of BaSO4 precipitated on mixing, the BaCl2 (0.5 M) with H2SO. (1 M) will correspond to:
Detailed Solution for VITEEE Chemistry Test - 1 - Question 6

VITEEE Chemistry Test - 1 - Question 7
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Silicon is
VITEEE Chemistry Test - 1 - Question 8
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The protein which maintains blood sugar level is
VITEEE Chemistry Test - 1 - Question 9
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Which is correct statement?
*Multiple options can be correct
VITEEE Chemistry Test - 1 - Question 10
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Alpha-Tocopherol is found in
Detailed Solution for VITEEE Chemistry Test - 1 - Question 10

A nutrient that the body needs in small amounts to stay healthy and work the way it should. It is fat-soluble (can dissolve in fats and oils) and is found in seeds, nuts, leafy green vegetables, and vegetable oils. Alpha-tocopherol boosts the immune system and helps keep blood clots from forming.

Hence A and C

VITEEE Chemistry Test - 1 - Question 11
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Dimerisation in carboxylic acid is due to
VITEEE Chemistry Test - 1 - Question 12
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The compound which reacts with Fehling solution is
VITEEE Chemistry Test - 1 - Question 13
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Which of the following gives blood red colour with KCNS ?
VITEEE Chemistry Test - 1 - Question 14
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A cylinder filled with a movable piston contains liquid water in equilibrium with water vapour at 25oC. Which one of the following operations results in a decreace in the equilibrium vapour pressure ?
VITEEE Chemistry Test - 1 - Question 15
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The internal energy of a subtance does not depend upon
VITEEE Chemistry Test - 1 - Question 16
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The reaction is spontaneous if the cell potential is
VITEEE Chemistry Test - 1 - Question 17
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2-acetoxy benzoic acid is used as an
Detailed Solution for VITEEE Chemistry Test - 1 - Question 17

2- Acetoxybenzoic acid is the chemical name of aspirin. Aspirin is a commonly used antipyretic medicine i.e. medicine to lower the fever.

VITEEE Chemistry Test - 1 - Question 18
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Which one of the following is an example of exothermic reaction?
VITEEE Chemistry Test - 1 - Question 19
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In the silver plating of copper, K[Ag(CN)₂] is used insead of AgNO₃. The reason is
VITEEE Chemistry Test - 1 - Question 20
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Which of the following simple ions will not form complex ion with NH₃?
Detailed Solution for VITEEE Chemistry Test - 1 - Question 20
Pb2+ ion do not form complex with ammonia. It precipitate in form of a white salt rather than forming complex.Hence, correct answer is A.
VITEEE Chemistry Test - 1 - Question 21
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Which of the following compound gives dye test ?
Detailed Solution for VITEEE Chemistry Test - 1 - Question 21

Dye test is given by Aromatic 1∘ amines

VITEEE Chemistry Test - 1 - Question 22
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When quantity of electricity passed is one faraday then the mass deposited at the electrode is equal to
Detailed Solution for VITEEE Chemistry Test - 1 - Question 22

When a quantity of electricity passes is one faraday, then the mass deposited at the electrode is equal to E ions being discharged i.e., one gram equivalent weight.

VITEEE Chemistry Test - 1 - Question 23
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Electrode potentials(Eored) of 4 elemnets A,B,C,D are -1.36V, - 0.32V, 0V, -1.26 V respectively. The decreasing reactivity order of these elements is
Detailed Solution for VITEEE Chemistry Test - 1 - Question 23

To determine the decreasing reactivity order of the elements based on their electrode potentials, we need to consider that elements with higher (less negative) electrode potentials are more reactive, as they are more likely to undergo reduction.

So, arranging the elements in increasing order of their electrode potentials gives us the decreasing reactivity order:

  1. Element C (0V) - Since it has the highest (least negative) potential, it's the most reactive.
  2. Element B (-0.32V) - It comes next in reactivity after C.
  3. Element D (-1.26V) - It's less reactive than B.
  4. Element A (-1.36V) - It has the lowest potential, so it's the least reactive.

Thus, the decreasing reactivity order of these elements is:

2. B, D, C, and A

VITEEE Chemistry Test - 1 - Question 24
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Same amount of electric current is passed through solutions of AgNO₃ and HCI. If 1.08 g of silver is obtained in the first case, the volume of hydrogen liberated at S.T.P. in the second case is
VITEEE Chemistry Test - 1 - Question 25
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When the densities of the ore particles and gangue particles are different, then the ore is concentrated by
VITEEE Chemistry Test - 1 - Question 26
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Heating methyl phenyl ether with HI gives
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VITEEE Chemistry Test - 1 - Question 27
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The rate of diffusion of methane at a given temperature is twice that of a gas X. The molecular weight of X is
Detailed Solution for VITEEE Chemistry Test - 1 - Question 27
Let rate of diffusion of gas x, r1 = a
Therefore, rate of diffusion of methane,r2 = 2 a
According to Graham's Law of Diffusion

VITEEE Chemistry Test - 1 - Question 28
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A pseudo solid is
VITEEE Chemistry Test - 1 - Question 29
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The most stable hydride is
Detailed Solution for VITEEE Chemistry Test - 1 - Question 29
NH3 is the most stable hydride among the hydrides of group 15 elements because the strength of E-H (Here E = N, P, As, Sb, or Br) bond decreases down the group due to increase in size of the central atom.
VITEEE Chemistry Test - 1 - Question 30
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What is hybridization of P in PCl₅?
Detailed Solution for VITEEE Chemistry Test - 1 - Question 30

The hybridization between P and Cl in PCl5 is sp3d. This is because P in its ground state has the valence electrons occupancy as two in s orbital, three in p orbitals since it has five valence electrons.

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