Unit of dipole moment is_________________?
Unit of dipole moment is_________________?
A. Debye
B. Poise
C. Pascal
D. Newton
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Li is different from its family members due to____________________?
Li is different from its family members due to____________________?A. small size
B. high charge density
C. less electropositivity
D. all of the aboveA metallic atom loses its valence electron to form a/an _________?
A metallic atom loses its valence electron to form a/an _________?A. an anion
B. a cation
C. an anion – cation
D. none of theseAtom with higher atomic number produces X-rays of__________________?
Atom with higher atomic number produces X-rays of__________________?A. Shorter wavelength
B. Larger wavelength
C. X-ray not produced
D. All are possibleWhich of the following ion formation is always exothermic ?
Which of the following ion formation is always exothermic ?A. Uni-negative
B. Uni-positive
C. Di-negative
D. Di-positiveSO3 is not absorbed in water directly because__________________?
SO3 is not absorbed in water directly because__________________?A. Reaction is exothermic
B. It is insoluble in water
C. Dilute acid is produced
D. All of aboveWhen aquious bromine is added to aqueous phenol a creamy white ppt is obtained. What does this reaction show ?
When aquious bromine is added to aqueous phenol a creamy white ppt is obtained. What does this reaction show ?A. phenol is unsaturated
B. 2-bromophenol is insoluble in water
C. a hydroxy group makes the benzene ring more susceptible to electrophilic attack
D. acid-base reaction