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Classification of carbon..



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Q1. An alkane with 6 carbon atoms will have how many hydrogen atoms?

(a) 11
(b) 12
(c) 13
(d) 14

Q2. Liquified petroleum gas is mainly composed of _____________

(a) Methane and ethane
(b) Ethane and propane
(c) Propane and butane
(d) Butane and hexane

Q3. Choose the correct statement.

(a) Alkanes have poor conductivity
(b) They form hydrogen bonds
(c) They have good solubility in non polar solvents than polar solvents
(d) Alkanes have less density than that of water

Q4. Select the incorrect statement regarding the boiling points of alkanes.

(a) Boiling point increases with stronger Vander Waal?s forces
(b) Surface area is the only factor which determines the boiling point of alkane
(c) Boiling point of straight chain alkanes is greater than that of branched chain alkanes
(d) The boiling point of cycloalkanes is always higher than that of linear alkanes

Q5. The other name for branched chain alkanes is _____________

(a) Paraffins
(b) Isoparaffins
(c) Neoparaffins
(d) Naphthenes

Q6. Which among the following is not an alkane isomer with 6 carbon atoms?

(a) Hexane
(b) 2,3-dimethylbutane
(c) 2,2-dimethylbutane
(d) Neopentane

Q7. Identify the incorrect statement.

(a) Alkanes with repeated ?CH2? units constitute a homologus series
(b) They are very reactive
(c) They have very less biological activity
(d) Petroleum and natural gas are the main sources of alkanes

Q8. Select the minimum number of carbon atoms, a molecule must possess so as to be regarded as a higher alkane.

(a) 15
(b) 16
(c) 17
(d) 18

Q9. Identify the simplest alkane.

(a) Methane
(b) Methene
(c) Ethane
(d) Ethene

Q10. Select the incorrect statement regarding alkanes.

(a) It is otherwise known as Paraffin
(b) It is an acyclic saturated hydrocarbon
(c) In alkanes, C-C bonds are single
(d) Alkanes have the general formula CnH2n


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29.5 Mg Of An Organic Compound Containing Nitrogen Was

Modified 311 Year Ago

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29.5 Mg Of An Organic Compound Containing Nitrogen Was

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Sodium Borate On Reaction With H2SO4 (conc.) And C2H5OH Gives A Compound A Which Burns With Green Flame.The Compound A Is

Modified 236 Year Ago

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236 Year Ago

Sodium Borate On Reaction With H2SO4 (conc.) And C2H5OH Gives A Compound A Which Burns With Green Flame.The Compound A Is

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275 views

The Ammonia Evolved From The Treatment Of 0.30 G Of An

Modified 311 Year Ago

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311 Year Ago

The Ammonia Evolved From The Treatment Of 0.30 G Of An

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A Colourless Gas With The Smell Of Rotten Fish Is

Modified 236 Year Ago

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In A Compound C, H, And N Are Present In 9 : 1 : 3.5 By Weight. If Molecular

Modified 311 Year Ago

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In A Compound C, H, And N Are Present In 9 : 1 : 3.5 By Weight. If Molecular

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Blue Borax Bead Is Obtained With

Modified 236 Year Ago

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236 Year Ago

Blue Borax Bead Is Obtained With

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The Metal That Does Not Give The Borax Bead Test Is

Modified 236 Year Ago

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236 Year Ago

The Metal That Does Not Give The Borax Bead Test Is

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