Structure of Ethene

Q.

Ethene, with the molecular formula $C_2{H}_6$, has

1. 5 covalent bonds

2. 7 covalent bonds

3. 4 covalent bonds

4. 6 covalent bonds

Q.

Alkenes are much more reactive than alkanes. True/False?

1. True

2. False

Q. Why are unsaturated compounds are more reactive than saturated compounds

Q. Question 1
Ethane with the molecular formula ${\text{C}}_2{\text{H}}_6$ has:
(a) 6 covalent bonds
(b) 7 covalent bonds
(c) 8 covalent bonds
(d) 9 covalent bonds

Q. Question 15
Pentane has the molecular formula ${\text{C}}_5{\text{H}}_{12}$. It has
(a) 5 covalent bonds
(b) 12 covalent bonds
(c) 16 covalent bonds
(d) 17 covalent bonds

Q. What is the term defined below?
A bond is formed by a shared pair of electrons, and each bonding atom contributes one electron to the pair.

Q.

Draw the structural formula of a compound with an unsaturated hydrocarbon with a carbon to carbon triple bond.

Q. Co-ordinate covalent bond is formed by:

1. transfer of electrons
2. sharing of electrons
3. donation of electrons
4. none of these process

Q. Assertion :Alkenes are more reactive than alkanes. Reason: Alkene have double bond due to this electron density is very high

1. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
2. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
3. Assertion is correct but Reason is incorrect
4. Both Assertion and Reason are incorrect

Q. Define what type of bond is formed by a shared pair of electrons with both electrons coming from the same atom?

Q.

Ethane, with the molecular formula ${\text{C}}_2{\text{H}}_6$, has ____ covalent bonds.

1. seven
2. six
3. nine
4. eight

Q.

Ethane, with the molecular formula ${\text{C}}_2{\text{H}}_6$, has ____ covalent bonds.

1. seven
2. nine
3. eight
4. six

Q.

Alkenes are much more reactive than alkanes. True/False?

1. True

2. False

Q. How many carbon atoms are present in one molecule of butene?

1. Five
2. Six
3. Three
4. Four

Q.

Ethene, with the molecular formula $C_2{H}_4$, has

1. 5 covalent bonds

2. 7 covalent bonds

3. 4 covalent bonds

4. 6 covalent bonds