Match the reagent from Column I which on reaction with CH3-CH=CH2 gives the same product given in Column II as per the codes given below

Column I Column II
A. O3/Zn+H2O 1. Acetic acid and CO2
B. KMnO4/H+ 2. Propan-1-ol
C. dil. KMnO4/OH- 3. Propane-1,2-diol
D. B2H6/NaOH+ and H2O2 4.  Acetaldehyde and formaldehyde

Codes

Options:  A   B   C   D 
1.  4  1  3  2
2.  1  2  3  4
3.  1  4  3  2
4.  4  1  2  3

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 82%
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Arrange the halogens F2, Cl2, Br2, I2, in order of their increasing reactivity with alkanes.

1. I2<Br2<Cl2<F2

2. Br2<Cl2<F2<I2

3. F2<Cl2<Br2<I2

4. Br2<I2<Cl2<F2

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 67%
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The addition of HBr to 1-butene gives a mixture of products A, B and C.

The mixture consists of

1. A and B as major and C as minor products

2. B as major, A and C as minor products

3. B as minor, A and C as major products

4. A and B as minor and C as major products

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 77%
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Arrange the following hydrogen halides in order of their increasing reactivity with propene:

1. HCl > HBr > HI
2. HBr > HI > HCl
3. HI > HBr > HCl
4. HCl > HI > HBr

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 71%
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Among the following reactions, incomplete combustion of methane is-

1. \(2 \mathrm{CH}_4+\mathrm{O}_2 \xrightarrow[]{\mathrm{Cu/523 \ K/100 \ atm}} 2 \mathrm{CH}_3 \mathrm{OH}\)
2. \(\mathrm{CH}_4+\mathrm{O}_2 \xrightarrow[]{\mathrm{Mo_{2}O_{3}}} \mathrm{HCHO}+\mathrm{H}_2 \mathrm{O}\)
3. CH4 + O2 → C + 2H2O
4.  CH4 + 2O2 → CO2 + 2H2O

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 78%
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Match the reactions given in Column I with the type of reaction given
in Column II and mark the appropriate option.

Column I Column II
A. CH2=CH2 + H2\(\xrightarrow[]{H^{+}}\)
CH3CH2OH
1. Hydrogenation
B. CH2=CH2 + H2 \(\xrightarrow[]{Pd}\)
CH3-CH3
2. Halogenation
C. CH2=CH2 + Cl2
Cl-CH2-CH2-Cl
3. Polymerisation
D. 3CH≡CH \(\xrightarrow[heat]{Cu \ tube}\)
C6H6
4. Hydration
5.  Condensation

Codes

Options:  A   B   C   D 
1.    2    3        4      1      
2. 1 2 3 5
3. 5 4 3 2
4. 4 1 2 3
Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 89%
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Some oxidation reactions of methane are given below. Which of them is/are controlled oxidation reactions?

a. CH4(g) + 2O2(g) → CO2(g) + 2H2O(l)
b. CH4(g) + O2(g) → C(s) + 2H2O(l)
c. CH4(g) + O2(g) \(\xrightarrow[]{Mo_{2}O_{3}}\) HCHO + H2O
d. 2CH4(g) + O2(g)  \(\xrightarrow[]{Cu/523 \ K/ 100 \ atm}\)2CH3OH


Choose the correct option

1. (a, b)

2. (b, c)

3. (c, d)

4. (a, c)

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 77%
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Which of the following alkenes on ozonolysis give mixture to give a mixture of ketones only?

a.  CH 3 - CH = CH - CH 3        b.
c. d.

Choose the correct option

1. (a, b)

2. (b, c)

3. (c, d)

4. (a, c)

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 90%
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Correct statement among the following is -

a. CH3-O-CH2 is more stable than CH3-CH2
b. (CH3)2CH  is less stable than CH3-CH2-CH2
c. CH2=CH-CH2  is more stable than CH3-CH2-CH2
d. CH2 = CH  is more stable than CH3-CH2


Choose the correct option

1. (a, b)

2. (b, c)

3. (c, d)

4. (a, c)

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 72%
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