Options:
- A. C2H5O-
- B. SCN-
- C. NH3
- D. H3C+
View Answer
D. H3C+
Chemistry
Which compound is also known by the name of carbolic acid ?
Options:
- A. C2H2OH
- B. H2CO3
- C. C6H5OH
- D. H3PO3
View Answer
C. C6H5OH
Chlorination of toluene in the presence of sublight produces_________________?
Options:
- A. Benzyl chloride
- B. o
- C. p
- D. benzoic acid
View Answer
A. Benzyl chloride
Orthoboric acid is 2.6% soluble in water at 40?C and ___________at 107
Options:
- A. 26%
- B. 27%
- C. 37%
- D. <2.6%
View Answer
C. 37%
Aqueous solution of borax above 62
Options:
- A. Na2B4O7.4H2O
- B. Na2B4O7.5H2O
- C. Na2B4O7.2H2O
- D. Na2B4O7.10H2O
View Answer
B. Na2B4O7.5H2O
All the elements in group VIA are ___________________ in nature?
Options:
- A. hygroscopic
- B. metals
- C. polymeric
- D. all of above
View Answer
C. polymeric
The gas which cannot be dried by conc. H2SO4 ?
Options:
- A. SO2
- B. H2S
- C. CO2
- D. C2H4
View Answer
B. H2S
Which of the following is not use of compounds of Fluorine________________?
Options:
- A. SbF3 is used for manufacture of pottery
- B. Sodium fluoroacetate is a rat poison
- C. Cu F2 is used in ceramic industry
- D. None of the above
View Answer
D. None of the above
In which compound of Xenon the oxidation state of Xenon is + 6?
Options:
- A. XeF4
- B. XeOF4
- C. XeOF2
- D. Na4XeO6
View Answer
B. XeOF4
Preparation of vegetable ghee involves_________________?
Options:
- A. halogenation
- B. hydroxylation
- C. hydrogenation
- D. hydration
View Answer
C. hydrogenation