10th Class Science Sample Paper Science Olympiad Model Test Paper-1

  • question_answer
    What is the structural formula of propanoic acid?

    A) \[H-\underset{H}{\mathop{\underset{|}{\mathop{\overset{H}{\mathop{\overset{|}{\mathop{C}}\,}}\,}}\,}}\,-\overset{O}{\mathop{\overset{\parallel }{\mathop{C}}\,}}\,-OH\]

    B)

    C) \[H-C\equiv C-\overset{H}{\mathop{\underset{H}{\mathop{\underset{|}{\mathop{\overset{|}{\mathop{C}}\,}}\,}}\,}}\,-H\]       

    D) \[H-\underset{H}{\mathop{\underset{|}{\mathop{\overset{H}{\mathop{\overset{|}{\mathop{C}}\,}}\,}}\,}}\,-\underset{H}{\mathop{\underset{|}{\mathop{\overset{H}{\mathop{\overset{|}{\mathop{C}}\,}}\,}}\,}}\,-\overset{O}{\mathop{\overset{\parallel }{\mathop{C}}\,}}\,-OH\]

    E) None of these

    Correct Answer: D


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