Which of the following substances is not an isomer of 3-ethyl 2-methyl pentane?

Which of the following is not a isomer of pentane ?

which of the following is not an isomer of pentanal

Which compound is not the isomer of 3 -Ethyle -2 - methylpentane?

Which of the following are functional isomers of methyl ethanoate ?

Which of the following IUPAC name is incorrect? (i) 2 -Methyl- 3 -ethylpentane (ii) 2 -Ethyl- 3 -methylpentane (iii) 3 -Methyl- 2 -ethylpentane (iv) 3 -Ethyl- 2 -methylpentane.

Which of the following are functional isomers of methyl ethanoate?

Which of the following are functional isomers of methyl ethanoate?