Hydrocarbons · Chemistry · MHT CET

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MCQ (Single Correct Answer)

1

What is molecular formula of undecane?

MHT CET 2024 16th May Morning Shift
2

What is the product of Hydroborationoxidation of but-1-ene?

MHT CET 2024 16th May Morning Shift
3

Identify the product obtained when alkenes react with cold and dilute alkaline potassium permanganate.

MHT CET 2024 16th May Morning Shift
4

The correct stability order of alkyl substituted alkenes is

MHT CET 2024 15th May Evening Shift
5

Which among the following is NOT a feature of $\mathrm{S}_{\mathrm{N}} 2$ mechanism?

MHT CET 2024 15th May Evening Shift
6

What is the numerical difference in molar masses of second and third member of a homologous series?

MHT CET 2024 15th May Morning Shift
7

Identify alkadiene molecule from following.

MHT CET 2024 15th May Morning Shift
8

Identify the reagent R used in following conversion?

tert-butyl bromide $\xrightarrow{\mathrm{R}}$ Isobutylene

MHT CET 2024 15th May Morning Shift
9

Identify the correct stability order of following alkenes.

I) $\left(\mathrm{CH}_3\right)_2 \mathrm{C}=\mathrm{C}\left(\mathrm{CH}_3\right)_2$

II) $\left(\mathrm{CH}_3\right)_2 \mathrm{C}=\mathrm{CH}_2$

III) $\left(\mathrm{CH}_3\right)_2 \mathrm{C}=\mathrm{CHCH}_3$

MHT CET 2024 11th May Evening Shift
10

Identify the product of ozonolysis of but-2-ene from following:

MHT CET 2024 11th May Evening Shift
11

Identify the product ' B ' in the following reaction sequence.

$$\mathrm{C}_2 \mathrm{H}_5-\mathrm{Br} \xrightarrow[\text { Dry ether }]{\mathrm{Mg}} \mathrm{~A} \xrightarrow{\mathrm{CH}_3 \mathrm{OH}} \mathrm{~B}$$

MHT CET 2024 11th May Evening Shift
12

Identify the major product ( $99 \%$ ) formed when $\left(\mathrm{CH}_3\right)_3 \mathrm{CH}$ is treated with $\mathrm{Br}_2$ in UV light.

MHT CET 2024 11th May Morning Shift
13

Which of the following is NOT obtained when a mixture of methyl bromide and ethyl bromide is treated with sodium metal in presence of dry ether?

MHT CET 2024 10th May Evening Shift
14

Which from following alkyl substituted alkenes is most stable?

MHT CET 2024 10th May Morning Shift
15

What is the molar mass of product hydrocarbon when 2 moles of methyl bromide reacts with large excess of sodium in dry ether?

MHT CET 2024 10th May Morning Shift
16

Identify the product obtained in following reaction.

$\mathrm{C}_6 \mathrm{H}_6 \xrightarrow[\text { Anhyd. } \mathrm{Al} \mathrm{Cl}_3 \text { pressure }]{\mathrm{CO, HCl}}$ product
MHT CET 2024 10th May Morning Shift
17

Identify the products obtained in the ozonolysis of propene.

MHT CET 2024 9th May Evening Shift
18

Identify the product X in the following reaction.

Sodium propanoate $\xrightarrow[\Delta]{\text { soda-lime }} \mathrm{X}+$ sodium carbonate

MHT CET 2024 9th May Evening Shift
19

Which from following reactions is not possible for benzene due to reversible nature?

MHT CET 2024 9th May Morning Shift
20

Identify the product 'B' in the following reaction.

Toluene $\xrightarrow[\mathrm{CS}_2]{\text { Chromylchloride }} \mathrm{A} \xrightarrow{\mathrm{H}_3 \mathrm{O}^{+}} \mathrm{B}$

MHT CET 2024 4th May Evening Shift
21

Which of the following is obtained on oxidation of prop-1-ene with acidic $\mathrm{KMnO}_4$ ?

MHT CET 2024 4th May Evening Shift
22

Which from following has highest boiling point?

MHT CET 2024 3rd May Evening Shift
23

Identify the alkene obtained as major product in the following Hofmann elimination reaction.

$$ \left(\mathrm{C}_3 \mathrm{H}_7\right) \mathrm{N}^{\ominus}\left(\mathrm{C}_2 \mathrm{H}_5\right)_3 \mathrm{I}^{\ominus} \xrightarrow[\Delta]{\text { mois } \mathrm{A}_2 \mathrm{O}} \mathrm{~A} \xrightarrow[\text { Alkene }+\mathrm{H}]{\stackrel{-\mathrm{H}_2 \mathrm{O}}{ }} $$ $\mathrm{Alkene + Amine}$

MHT CET 2024 3rd May Morning Shift
24

Which of the following catalysts is used to convert MHT CET 2024 3rd May Morning Shift Chemistry - Hydrocarbons Question 24 English to form cis-alkene?

MHT CET 2024 3rd May Morning Shift
25

Which of the following is NOT obtained when a mixture of bromoethane and 1-bromopropane is treated with sodium metal in dry ether?

MHT CET 2024 2nd May Morning Shift
26

What is the number of moles of tertiary carbon atoms in a molecule of isobutane?

MHT CET 2023 14th May Morning Shift
27

Identify the product formed by the action of $$\mathrm{H}_2(\mathrm{~g})$$ with $$\mathrm{CO}(\mathrm{g})$$ in presence of $$\mathrm{Ni}$$ ?

MHT CET 2023 13th May Evening Shift
28

Which of the following is Wolf-Kishner reduction?

MHT CET 2023 13th May Evening Shift
29

What is the number of moles of nascent hydrogen required to prepare 1 mole of methane from iodomethane?

MHT CET 2023 13th May Morning Shift
30

Identify the product obtained in following reaction.

n $$\mathrm{CH}_3 \mathrm{MgI}+\mathrm{H}_2 \mathrm{O} \stackrel{\text { dry ether }}{\longrightarrow}$$ product

MHT CET 2023 12th May Morning Shift
31

Which among the following is NOT a feature of $$\mathrm{S}_{\mathrm{N}} 2$$ mechanism?

MHT CET 2023 11th May Evening Shift
32

What is the number of moles of secondary carbon atoms in $$\mathrm{n}$$ mole isopentane?

MHT CET 2023 11th May Evening Shift
33

Which among the following alkenes is most stable?

MHT CET 2023 11th May Morning Shift
34

Which of the following compounds has highest boiling point?

MHT CET 2023 11th May Morning Shift
35

Which of the following is obtained as product when ethylene reacts with oxygen in presence of $$\mathrm{Pd} / \mathrm{Al}_2 \mathrm{O}_3$$ ?

MHT CET 2023 10th May Evening Shift
36

Which of the following is general representation of Grignard reagent?

MHT CET 2023 10th May Evening Shift
37

Identify the product P obtained in following reaction.

Benzene + ozone (excess) $$\stackrel{\mathrm{CCl}_4}{\longrightarrow}$$

Benzene triozonide $$\stackrel{\mathrm{Zn} / \mathrm{H}_2 \mathrm{O}}{\longrightarrow} \mathrm{P}+\mathrm{H}_2 \mathrm{O}_2$$

MHT CET 2023 10th May Morning Shift
38

What is the number of moles of $$\mathrm{sp}^2$$ hybrid carbon atoms present in $$\mathrm{n}$$ moles of isopentane?

MHT CET 2023 9th May Evening Shift
39

Which of the following compounds has the highest boiling point?

MHT CET 2023 9th May Evening Shift
40

What is the number of moles of $$\mathrm{sp}^2$$ hybrid carbon atoms in one mole of hexa-1,4-diyne?

MHT CET 2023 9th May Morning Shift
41

What is the number of moles of water molecules required to prepare n moles of methane from n moles of methyl magnesium iodide?

MHT CET 2023 9th May Morning Shift
42

Identify the product in the following reaction.

MHT CET 2022 11th August Evening Shift Chemistry - Hydrocarbons Question 41 English

MHT CET 2022 11th August Evening Shift
43

Identify the product A in the following reaction.

MHT CET 2022 11th August Evening Shift Chemistry - Hydrocarbons Question 40 English

MHT CET 2022 11th August Evening Shift
44

Which of the following catalyst/reagent is used to convert $$\mathrm{C} \equiv \mathrm{C}$$ triple bond to $$\mathrm{C}=\mathrm{C}$$ double bond to form cis isomer of alkene?

MHT CET 2021 24th September Evening Shift
45

Identify the product formed when ethyl benzene reacts with nitric acid.

MHT CET 2021 23rd September Evening Shift
46

Which of following reactions yields biphenyl from chlorobenzene?

MHT CET 2021 23th September Morning Shift
47

Which of the following is NOT obtained when a mixture of bomomethane and bromoethane is treated with sodium in dry ether?

MHT CET 2021 23th September Morning Shift
48

What are the final products obtained by ozonolysis of propene?

MHT CET 2021 22th September Morning Shift
49

Which among the following molecules exhibits strong London forces?

MHT CET 2021 21th September Evening Shift
50

Which isomer of C$$_6$$H$$_{14}$$ has highest boiling point?

MHT CET 2021 21th September Evening Shift
51

Select the catalyst used in hydrogenation of ethene.

MHT CET 2021 21th September Morning Shift
52

What is the number of $$-$$CH$$_2$$ - groups present in dodecane?

MHT CET 2021 21th September Morning Shift
53

The reaction of propane with bromine in presence of UV light predominantly forms

MHT CET 2021 21th September Morning Shift
54

When 2-Methylbut-2-ene is treated with hydrogen chloride, the major product obtained is

MHT CET 2021 20th September Morning Shift
55

Identify total number carbon atoms present in undecane.

MHT CET 2021 20th September Morning Shift
56

Identify the reagent R used in following reaction?

MHT CET 2021 20th September Morning Shift Chemistry - Hydrocarbons Question 64 English

MHT CET 2021 20th September Morning Shift
57

Identify ' $B$ ' in the following reaction.

$$\mathrm{C}_2 \mathrm{H}_6 \xrightarrow[\mathrm{AlBr}_3]{\mathrm{Br}_2} A \xrightarrow[\Delta]{\mathrm{CH}_3 \mathrm{COOAg}} B$$

MHT CET 2020 19th October Evening Shift
58

What is the range of number of carbon atoms in alkanes found in paraffin wax?

MHT CET 2020 19th October Evening Shift
59

Identify the hydrocarbon compound from following containing carbon atoms in the range of $$\mathrm{C}_6$$ to $$\mathrm{C}_8$$ ?

MHT CET 2020 16th October Evening Shift
60

The alkane formed on heating sodium butanoate with sodalime is

MHT CET 2019 3rd May Morning Shift
61

The reaction in which 2 molecules of chlorobenzene reacts with metallic sodium in presence of dry ether forming diphenyl is an example of,

MHT CET 2019 2nd May Evening Shift
62

Propene when treated with cold conc. $\mathrm{H}_2 \mathrm{SO}_4$ forms a compound which on heating with water gives

MHT CET 2019 2nd May Evening Shift
63

How many gram of sodium (atomic mass $23u$) is required to prepare one mole of ethane from methyl chloride by Wurtz reaction?

MHT CET 2019 2nd May Evening Shift
64

In the reaction,

$2 n R-X \xrightarrow[\text { Dry ether }]{+2 n \mathrm{Na}}$ product

The product obtained is

MHT CET 2019 2nd May Morning Shift
65

$\alpha$ - butylene when subjected to hydroboration oxidation reaction, yields

MHT CET 2019 2nd May Morning Shift
66

When propene reacts with HCl in presence of peroxide, the product is

MHT CET 2019 2nd May Morning Shift
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