A. V+3
B. V+2
C. V+3
D. V+5
Submitted by: Siddiqullah wazir
Related Mcqs:
- Which of the following ion is stable in aqueous solution ?
A. H+
B. H-
C. Cl-
D. All are stable - Carbonates of lithium are not stable like that of sodium due to________________?
A. Low electronegativity
B. Low electropositivity
C. Low charge density
D. Not known yet - Which allotropic form of phosphorous is the most stable ?
A. White
B. black
C. red
D. Violet - Chemical equilibrium state is_______________?
A. dynamic state
B. static state
C. free state
D. unidirectional state - The oxidation state of transition elements is usually _______________________?
A. variable
B. constant
C. single
D. infinite - Energy required to form transition state is called _________________?
A. Ea
B. P.E
C. V
D. K.E - Oxidation state of an atom represents____________________?
A. Number of electrons gained
B. Number of electrons lost
C. Apparent charge in compound
D. Its vacancies - The metallurgical process in which a metal is obtained in a fused state is called__________?
A. smelting
B. roasting
C. calcinations
D. froth floatationSubmitted by: Muhammad Ali Kunbhar
- The process in which solid changes directly into vapours without passing through liquid state?
A. Decantation
B. Sublimation
C. Evaporation
D. NoneSubmitted by: Naintara Mustafa
- The oxidation state of cu which are expected to be diamagnetic
A. Cu+2
B. Cu+4
C. Cu+1
D. Cu+3Submitted by: Siddiqullah wazir
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