Which of the following will have highest value of electron affinity_________________?
Which of the following will have highest value of electron affinity_________________?
A. F
B. Cl
C. Br
D. I
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Which one of the following serve as aquatic solar fuel cell:A. Bacteria
B. Virus
C. Fungi
D. AlgaeFormaldehyde condenses with phenol in the presence of dilute H2SO4 to yield________________?
Formaldehyde condenses with phenol in the presence of dilute H2SO4 to yield________________?A. Nylon 66
B. urotroe
C. Aniline formaldehyde plastic
D. BakeliteWhat catalyst is employed when benzene is prepared from acetylene at 70°C?
What catalyst is employed when benzene is prepared from acetylene at 70°C?A. Cr2O3 + A2O3 + SiO2
B. Raney nickel
C. Organo-nickel
D. Ni 250 – 300°CThe volume occupied by 1.4g CO at S.T.P is___________________?
The volume occupied by 1.4g CO at S.T.P is___________________?A. 22.4 dm3
B. 2.24 dm3
C. 1.12 cm3
D. 1.12 dm3Li 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 aboveSize of molecule depends upon________________?
Size of molecule depends upon________________?A. Atomicity
B. Shape of molecule
C. Both A and B
D. Difficult to predict