The most powerful oxidizing agent among the halogens is__________________?
The most powerful oxidizing agent among the halogens is__________________?
A. F2
B. Cl2
C. Br2
D. I2
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Atom 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 possiblePositive rays give flash on________________?
Positive rays give flash on________________?A. AgNO3 plate
B. AgCl plate
C. ZnO
D. ZnSThe radiations with negative charge are________.
The radiations with negative charge are________.A. Alpha radiations
B. Gamma radiations
C. Beta radiations
D. positronFor a reaction involving only gases at 25?C the equilibrium constant can be expressed in terms of molarity Ke or partial pressure Kp. Which is true about the numerical value of Kp ?
For a reaction involving only gases at 25?C the equilibrium constant can be expressed in terms of molarity Ke or partial pressure Kp. Which is true about the numerical value of Kp ?A. Kc is generally greaer than Kp
B. Kc is generally less than Kp
C. Kc is generally equal to Kp
D. Kc is equal to Kp if the total moles of reactants and products are equalWhen 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 reactionEmpirical formula of chloroform is____________________?
Empirical formula of chloroform is____________________?A. CH2 C12
B. CH3C1
C. CC14
D. CHCL3Chloroform is a colorless, sweet-smelling organic compound with the IUPAC name Trichloromethane and formula CHCl3. Chloroform can daze or knock out people even when it’s consumed in small doses.