Electrovalent compounds normally ------------
have low boiling points
have mobile electrons
conduct electricity in the solid state
dissolve in polar solvent
Correct answer is D
No explanation has been provided for this answer.
Which of the following statements about elements in Group VII is correct?
Br\(_{2}\) will oxidize CI\(^{-}\)
F\(_{2}\) has the least tendency to be reduced
Cl\(_{2}\) will oxidize I\(^{-}\)
l\(_{2}\) is a stronger oxidizing agent than F\(_{2}\)
Correct answer is B
No explanation has been provided for this answer.
Which of the following pairs of molecules form hydrogen bonds?
C\(_{2}\)H\(_{5}\)OH and CH\(_{3}\)OH
CH\(_{3}\)OH and H\(_{2}\)
H\(_{2}\)S and CH\(_{4}\)
NH\(_{3}\) and SO\(_{2}\)
Correct answer is A
In alcohols the hydrogen bond is formed due to the covalent bonds between one oxygen atom and one hydrogen atom in the hydroxyl group (O—H).
x > y > z
x < y < z
x = y= z
x < z < y
Correct answer is C
No explanation has been provided for this answer.
3.01 x 10\(^{20}\)
3.01 x 10\(^{27}\)
6.02 x 10\(^{19}\)
6.02 x 10\(^{27}\)
Correct answer is C
No explanation has been provided for this answer.