Which of the following element does not show allotropy_________________?
A. Carbon
B. Arsenic
C. Nitrogen
D. Sulphur
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A. Carbon
B. Arsenic
C. Nitrogen
D. Sulphur
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A. fats
B. resins
C. iodine
D. all the above
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A. 0 °C
B. 273.16K
C. -273.16 K
D. -273.15 °C or 0 Kelvin.
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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
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A. First order reaction
B. Second order reaction
C. Zero order reaction
D. Third order reaction
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A. Pd
B. Ni
C. Sn
D. All of the above
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A. 6
B. 8
C. 1
D. 4
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A. dilute and concentrated
B. dilute and saturated
C. saturated and unsaturated
D. saturated and super saturated
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A. moles dm-3
B. moles kg-1
C. gram dm-3
D. none
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A. Kc is constant at given temperature
B. Kc is unaffected by change in concentration of reactants or products
C. Kc indicates the extent of reaction but not about the rate of reaction.
D. All of the above
Submitted by :- Jamil Ahmed