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Alkanes are usually unreactive under ord...

Alkanes are usually unreactive under ordinary conditions because
(i) the `C-C and C-H` bonds are quite strong
(ii) the `C-C` bonds are nonpolar and `C-H` bonds are weakly polar
(iii) they have no unshared electrons
(iv) they do not possess any functional group

A

(i), (ii)

B

(iii), (iv)

C

(i), (ii), (iii)

D

(i), (ii), (iii), (iv)

Text Solution

Verified by Experts

The correct Answer is:
D
This is low reactivity of alkanes toweards many reagents accounts for the fact that alkanes were originally called paraffins.
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Knowledge Check

  • The C-H bond is alkanes is

    A
    `120 "pm"`
    B
    `110"pm"`
    C
    `130"pm"`
    D
    `140"pm"`

  • C-H and 7 C-C sigma bonds are in

    A
    cyclohexane
    B
    3,3-dimethylphentane
    C
    2,2,3-trimethylpentane
    D
    n-heptane

  • The C-C-H bond angle in ethylene is:

    A
    `180^(@)`
    B
    `109^(@)28^(@)`
    C
    `120^(@)`
    D
    `90^(@)`