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Potassium Dichromate

Why is H-C-C ...

Question

Why is H-C-C bond angle in C2H6 is 109°28' but H-C=C bond angle in C2H4 120°? That is why does the bond angle increase?

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Similar questions

H_{2} O

, the bond angle HOH is

104^{\circ} 28^{'}

H_{2} S, H_{2} S e

H_{2} T e

the bond angles are pretty close to

90^{\circ}

. This suggests that:

Q. In which one of the following pairs the interatomic bond angle is

109^{\circ} 28^{'}

120^{\circ}

H_{2} O

the bond angle is

{104.5}^{\circ}

H_{2} S

the bond angle is

{92.1}^{\circ}

.
Difference in bond angle is due to :

Q. Why does a molecule of water shows

104^{o} 30^{'}

{C H}_{4}

109^{o} 28^{'}

, although both of them show

{s p}^{3}

Q. Assertion :Statement

-

1 : The bond angle in

H_{2} O

is greater than

H_{2} S

. Reason: Statement

-

-

bonding does not occur in

H_{2} S

due to low electronegativity of

S

.

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