$C = C$ bond length is-

$1.54 A^{0}$

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$1.20 A^{0}$

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$1.34 A^{0}$

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$1.39 A^{0}$

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Solution

The correct option is C
$1.34 A^{0}$

The average distance between the nuclei of two bound atoms in a molecule is known as bond length.
It is the property of a chemical bond.

The organic compounds containing carbon atoms having multiple bonds either double bond or triple bonds between two carbon atoms are called unsaturated hydrocarbons.
It is an alkene $C = C$ having a planar structure.
The $C - C$ bond length of an alkane is $1.54 A^{0}$ .
In the given, $C = C$ bond length is $1.34 A^{0}$ because a double bond is stronger and shorter than a single bond.

Hence, option (C) is the correct option

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Similar questions

The amount of solutes ‘A’, ‘B’ and ‘C’ in $300$ g of water at $25 ° C, 40 ° C$ and $60 ° C$ in their saturated solutions are given below. Identify the correct statement from the following when hot saturated solutions of A, B and C are cooled slowly from $60 ° C$ to $25 ° C$ .

	$25 ° C$	$40 ° C$	$60 ° C$
A	$110 g$	$90 g$	$105 g$
B	$140 g$	$170 g$	$180 g$
C	$130 g$	$150 g$	$140 g$

Complete and balance the following equations

(ⅰ ) $N_{2}$ + $H_{2}$ $\to$ $. . . . .$

(ⅱ) ${NH}_{3}$ + ${Cl}_{2} E x c e s s$ $\to$ $. . . . .$

(ⅱⅰ) $PbO$ + ${NH}_{3}$ $\to$ $. . . . . + . . . . + H_{2} O$

(ⅳ) ${NH}_{3}$ + $O_{2}$ $\overset{pt}{\to} 800 ° C$ $. . . . . + . . . . . .$

The amounts of solutes ‘A’, 'B' and ‘C’ in $300$ g of water at $25 ° C$ , $40 ° C$ and $60 ° C$ in their saturated solutions are given below. Identify the true statement among the following:

	$25 ° C$	$40 ° C$	$60 ° C$
A	$110$ g	$90$ g	$105$ g
B	$140$ g	$170$ g	$180$ g
C	$130$ g	$150$ g	$140$ g

The properties of a few elements are given below:

Element	A	B	C
Melting point	$100 ° C$	$120 ° C$	$213 ° C$
Atomic size	120 pm	131 pm	136 pm

Answer the following giving reasons:

Will the valencies of all the elements be same or different?

The properties of a few elements are given below:

Element	A	B	C
Melting point	$100 ° C$	$120 ° C$	$213 ° C$
Atomic size	120 pm	131 pm	136 pm

Answer the following giving reasons:

Should the metallic character decrease or increase from A to C?

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C=C bond length is-

$C = C$ bond length is-