Compound A reacts with $NH _4 Cl$ and forms a compound B.
Compound B reacts with $H _2 O$ and excess of $CO _2$ to form compound $C$ which on passing through or reaction with saturated $NaCl$ solution forms sodium hydrogen carbonate Compound $A , B$ and $C$, are respectively.
Given below are two statements. 
In the light of the above statements, choose the correct answer from the options given below:
Wave propagates whose electric field is given by \(\mathbf{E} = 69 \sin(\omega t - kx)\,\hat{j}\). Find the direction of magnetic field.
