A brivalent metal has the equivalent weighr of 12. The molecular weight to its oxide will be_______?
A. 24
B. 32
C. 36
D. 40
Chemistry Mcqs
When SO2 solution is passed over which of the following it turns green?
When SO2 solution is passed over which of the following it turns green?
A. K2Cr2O7
B. H2SO4
C. SO3
D. P2O5
The composition of ‘ Golden spangles is_________?
The composition of ‘ Golden spangles is_________?
A. PbCrO4
B. PbI2
C. As2Cr2O7
D. BaCrO4
What is chemical symbol for Tungsten?
What is chemical symbol for Tungsten?
A. Z
B. T
C. Tn
D. W
Tungsten, or wolfram, is a chemical element with the symbol W and atomic number 74. The name tungsten comes from the former Swedish name for the tungstate mineral scheelite, tung sten or “heavy stone”.
Noble gases are so called zero group because they have:_________?
Noble gases are so called zero group because they have:_________?A. Zero Valency
B. Zero Electronegativity
C. Zero Electron Affinity
D. Both A and B
E. All of these
B. Zero Electronegativity
C. Zero Electron Affinity
D. Both A and B
E. All of these
If a compound contains 24 gram of carbon 2 gram of hydrogen and 64 gram of oxygen then its empirical formula will be________?
If a compound contains 24 gram of carbon 2 gram of hydrogen and 64 gram of oxygen then its empirical formula will be________?A. C2H2O4
B. CH2
C. CH2O
D. CHO2
B. CH2
C. CH2O
D. CHO2
The reaction of Lucas reagent is the fastest with_________?
The reaction of Lucas reagent is the fastest with_________?
A. (CH3)2CHOH
B. CH3(CH2)OH
C. CH3CH2OH
D. (CH3)3COH
For the reaction 2HI ____________> H2+ I2
For the reaction 2HI ____________> H2+ I2
A. Kp > kc
B. Kc > kp
C. Kp= kc
D. Kp ≤ kc
If volumetric analysis methyl orange indicator is used when_________?
If volumetric analysis methyl orange indicator is used when_________?
A. Acid is strong
B. Acid is weak
C. Bade is strong
D. Acid is strong base is weak
Ethylene diammine is ligand________?
Ethylene diammine is ligand________?
A. mono dentate
B. Bi dentate
C. tri dentate
D. Poly dentate