A) \[60{}^\circ \]
B) \[90{}^\circ \]
C) \[0{}^\circ \]
D) \[49{}^\circ \]
Correct Answer: D
Solution :
Semi-vertical angle = critical angle Hence, \[{{(C{{H}_{3}})}_{2}}CO\] \[HCHO\] \[\text{C}{{\text{H}}_{\text{3}}}\text{OH}\]You need to login to perform this action.
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