Options:
- A. 3
- B. acetone
- C. butanone
- D. 2-pentanone
View Answer
B. acetone
Chemistry
First ionization potential of alkaline earth metal is greater than alkali metals because___________________?
Options:
- A. They are more reactive
- B. They have greater atomic radii
- C. They have smaller atomic sizes
- D. All
View Answer
C. They have smaller atomic sizes
Which one of the following alkali metals forms only normal oxide when it reacts with O2 ?
Options:
- A. Lithium
- B. Sodium
- C. Potassium
- D. Rubidium
View Answer
A. Lithium
During sulphonation of benzene H2SO4 generates the electrophile _________________?
Options:
- A. HSO4-
- B. SO2
- C. SO3
- D. H+
View Answer
C. SO3
Which of the following ion is stable in aqueous solution ?
Options:
- A. H+
- B. H-
- C. Cl-
- D. All are stable
View Answer
C. Cl-
Seventh period contains _________________ normal elements ?
Options:
- A. 2
- B. 4
- C. 6
- D. 8
View Answer
A. 2
When
Options:
- A. Aliphatic
- B. Alicyclic
- C. Carboxylic
- D. Aromatic
View Answer
D. Aromatic
The common name of propane 1 3-dioic is_________________?
Options:
- A. Oxalic acid
- B. Aromatic acid
- C. Malonic acid
- D. Fumaric acid
View Answer
C. Malonic acid
Which of the following substances does not give iodoform test ?
Options:
- A. acetaldehyde
- B. ethyl alcohol
- C. methyl alcohol
- D. acetone
View Answer
C. methyl alcohol
Iodoform test can be used to distinguish between_________________?
Options:
- A. ethanol and methanol
- B. acetaldehyde and methanal
- C. acetone and diethyl ketone
- D. all of the above
View Answer
D. all of the above