Question

how many co valent bonds are there in C2H6 C3H8 C4H10 C3H7OH C2H5CL

Answer 1

(1) C2H6

Carbon - Carbon has single bond.

And Each carbon, has 3 bonds with Each hydrogen.

Total covalent bonds = 7.

(2) C3H8

There are single bonds between carbon - carbon.

So, Bonds ( C - C) = 2

Central carbon has two ( C - H)

Outer carbons has 3 ( C - H)

Total covalent bonds = 2 + 2 + 3 + 3 = 10.

3) C4H10
There are single bonds between C.
So, 3 ( C - C) bonds
And for hydrogens , There are 10 ( C - H) bonds.

Total bonds = 13

4) C3H7OH
2 ( C - C) bonds
7 ( C - H) bonds
1 ( C - OH) bond

Total bonds = 2 + 7 + 1 = 10

5) C2H5Cl
1 ( C - C) bond.
5 ( C - H) bonds
1 ( C - Cl) bond

Total bonds = 5 + 1 + 1 = 7.

Answer 2

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