Options:
- A. S
- B. P
- C. d
- D. f
View Answer
A. S
Chemistry
Which of the following solvents would best facilitate an SN2 substitution reaction?
Options:
- A. Water
- B. Hexane
- C. Dimethylflormamide
- D. Ethanol
View Answer
C. Dimethylflormamide
Tetraethyl lead is used as______?
Options:
- A.
- B.
- C.
- D.
View Answer
D.
Electronic Configuration of Calcium (Ca) atom may be written as________?
Options:
- A. Ne, 4p2
- B. Ar, 4s2
- C. Ne, 4s2
- D. Kr,4p2
View Answer
B. Ar, 4s2
If volumetric analysis methyl orange indicator is used when_________?
Options:
- A. Acid is strong
- B. Acid is weak
- C. Bade is strong
- D. Acid is strong base is weak
View Answer
A. Acid is strong
Treatment of sucrose with conc. HNO3 gives__________?
Options:
- A. Nitrosucrose
- B. Glucose+ fructose
- C. Oxalic acid
- D. Laevulinic acid
View Answer
A. Nitrosucrose
Which among the following is not a property of Ionic bond _________?
Options:
- A. Sharing of electrons
- B. Transfer of electrons
- C. Losing of electrons
- D. Gain of electrons
View Answer
A. Sharing of electrons
Which of the following statements is false about transition metals?
Options:
- A. They form complexes
- B. They show variable valency
- C. All transition metal compounds are paramagnetic
- D. They form coloured ions
View Answer
C. All transition metal compounds are paramagnetic
The molar mass of an organic acids is determined by____________?
Options:
- A. Depression of freezing point
- B. Volumetric method
- C. Victor Meyer
- D. Osmosis method
View Answer
B. Volumetric method
The energy of one mole of photons of radiation, whose frequency is 4
Options:
- A. 159.6kJ
- B. 135.5 KJ
- C. 110.5 KJ
- D. 80.4 KJ
View Answer
A. 159.6kJ