Which of the following molecules has two other positional...
Which of the following molecules has two other positional isomers?
CH3CH2Br
CH3CHBrCH3
CBr2F2
CH2CHBrCH2Br
Correct answer is B
Positional isomers of C\(_3\)H\(_7\)Br : 1- bromo propane and 2- bromo propane
C2H4(g) + H2(g) → C2H6(g) ΔH = -137kJ mol-1 The reaction represented above is...
The diagram above represent the electron sub-level for ...
which of the following elements has the highest ionization energy? ...
The atom of an element X combines with aluminium (13AI)?...
NH4- is formed from NH3 and H- by...
Calcium tetraoxosulphate (VI) dissolves in water only sparingly to form a ...
How many atoms are present in 6.0g of magnesium? [Mg = 24, NA = 6.02 x 1023 mol-1]...
The scientist who stated that matter can be converted into energy is? ...