Q1) The electronic configuration of an element is found to be 2, 4. How many bonds can one carbon atom form in a compound?
(a) 1
(b) 2
(c) 4
(d) 6
Correct Answer: Option (c)
Q2) The following chemical reaction shows the addition of chlorine to methane in the presence of sunlight:
CH4 + Cl4 → X
What is likely to be the product of the reaction represented by “X”?
(a) CH4+ H2SO4
(b) CH3Cl + HCl
(c) CHCl3 + HCl
(d) CH3Cl + H2SO4
Correct Answer: Option (b)
Q3) The image represents the structure of a few hydrocarbon compounds.
Which of these compounds can be classified as alkynes?
(a) Only (A)
(b) Only (B)
(c) Both (A) and (D)
(d) Both (B) and (C)
Correct Answer: Option (c)
Q4) The below image represents a chemical reaction where ethanol is oxidised using potassium dichromate and sulphuric acid.
Q5) The given image represents the structure of a carbon compound known as ethane.
(a) CH2O
(b) CH3CH
(c) CH3H2O
(d) CH3COOH
Correct Answer: Option (d)
Q5) The given image represents the structure of a carbon compound known as ethane.
Which of the following option explains the naming of ethane?
(a) The presence of a functional group connected with a single bond
(b) As it contains two carbon atoms, and a single bond connects the carbon atoms
(c) Carbon compound with a total number of eight atoms is named ethane
(d) As it contains six hydrogen atoms, and a single bond connects the carbon and hydrogen atom
Correct Answer: Option (b)