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Test: Chemistry - 12 - NEET MCQ


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30 Questions MCQ Test - Test: Chemistry - 12

Test: Chemistry - 12 for NEET 2024 is part of NEET preparation. The Test: Chemistry - 12 questions and answers have been prepared according to the NEET exam syllabus.The Test: Chemistry - 12 MCQs are made for NEET 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Chemistry - 12 below.
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Test: Chemistry - 12 - Question 1

An alkylmagnesium halide reacts with water to give an alkane. In this reaction water acts as

Test: Chemistry - 12 - Question 2

The reactivity of the halogens towards methane decreases in the order

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Test: Chemistry - 12 - Question 3

Which of the following statements is correct in relation to the halogenation of alkanes ?

Test: Chemistry - 12 - Question 4
Which of the following reactions will lead to the creation of two chiral centers in the product ?
Test: Chemistry - 12 - Question 5
trans-2-Buten on reaction with in forms
Test: Chemistry - 12 - Question 6
1-Methylcyclohexene is allowed to react with The product is then treated with and NaOH. The reaction is The product formed is
Test: Chemistry - 12 - Question 7
By which of the following reactions can the conversion of cychlohexene (I) into 1,3-cyclohexadiene (III) be effected
Test: Chemistry - 12 - Question 8
Which of the following decolorizes the red-brown of a dilute solution of in water ?
Test: Chemistry - 12 - Question 9
From which of the following hydrocarbons may hydrogen be displaced by a strongly electropositive
metal ?
Test: Chemistry - 12 - Question 10
When propyne is treated with aqueous ,the major product formed is
Test: Chemistry - 12 - Question 11
Consider the following reaction sequence
The products (A) and (B) are, respectively
Test: Chemistry - 12 - Question 12
A hydrocarbon (A) is allowed to react with sodium amide and then with ethyl bromide to produce another hydrocarbon (B) which one ozonolysis produces propanoic acid only. The hydrocarbons (A) and (B) are, respectvely,
Test: Chemistry - 12 - Question 13
Acetylene does not react with
Test: Chemistry - 12 - Question 14
Which of the following hydrocarbons should be choosen as a starting material to prepare 3-hexanone by the hydration of the former ?
Test: Chemistry - 12 - Question 15
Chlorination of toluene in the presence of light and heat followed by treatement with aqueous NaOH and subsequently with dilute HCl gives
Test: Chemistry - 12 - Question 16
Among the compounds
the order of decreasing reactivity towards electrophilic substitution is
Test: Chemistry - 12 - Question 17
The function of anhydrous in Fridel–Crafts reaction is to
Test: Chemistry - 12 - Question 18
The smallest alkane having a carbon is
Test: Chemistry - 12 - Question 19
In which of the following reactions is ?
Test: Chemistry - 12 - Question 20
For the equilibrium   If the equilibrium concentration of and  is  and respectively then the concentration of HCl is
Test: Chemistry - 12 - Question 21
In the reaction the value of the equilibrium constant depends on
Test: Chemistry - 12 - Question 22
Consider the equilibrium, The equilibrium constant K is given by (when )
Test: Chemistry - 12 - Question 23
1.7 g of is present in a 2-L flask. The active mass of is
Test: Chemistry - 12 - Question 24
For the equilibrium
Test: Chemistry - 12 - Question 25
For the eqilibrium, +14.6 kcal increase in temperature would
Test: Chemistry - 12 - Question 26
When 1 mole of ethanol is mixed with 1 mole of acetic acid, 0.67 mole of ethyl acetate is produced at equilibrium. Calculate for the reaction
Test: Chemistry - 12 - Question 27
During thermal dissoication, the observed vapour.......... is 26.0. Calculate the extent of
dissociation of (g)
Test: Chemistry - 12 - Question 28
When is heated in a closed vessel, gas is liberated and is left behind
,At equilibrium
Test: Chemistry - 12 - Question 29
For the heterogeneous equilibrium the value of is
Test: Chemistry - 12 - Question 30
The pH of a M HCl solution is
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