91Ó°ÊÓ

A compound having molecular formula \(\mathrm{C}_{5} \mathrm{H}_{10} \mathrm{O}_{3} .\) It may have functional group (A) Ester (B) Ketone (C) Acid anhydride (D) Carboxylic acid

The IUPAC name of maleic acid is (A) (2Z)-But-2-endioic acid (B) (2E)-But-2-endioic acid (C) ( 2Z)-Butanoic acid (D) ( \(2 \mathrm{E}\) )-Butanoic acid

Which of the following IUPAC name is (are) incorrect? (A) 1 -Amino pentan-1-one (B) 2-Methyl pentan-5-ol (C) 3-Carboxy pentane (D) 1 -Bromo-3-chloro-4-iodo cyclohexane

Which of the following is not a homocyclic compound? (A) Phenol (B) Aniline (C) Ethylene epoxide (D) Benzene

Choose the incorrect IUPAC name. (A) 3,4 -dimethyl hexane (B) \(2,2,4\)-trimethyl pentane (C) 1-cyclobutyl-1-cyclopropyl pentane (D) 2-methyl-3-ethyl pentane

Which of the following represent wrong IUPAC name? (A) Ethyl methanoate (B) but-3-en-1-ol (C) 2 -chloro- 3 -fluoro- 1,4 -epoxy pentane (D) 2 -butoxy propane

The correct order for ortho xylene and para xylene is/are (A) \((\sigma \text {-bond })_{\text {oxylene }}>(\sigma \text {-bond })_{p \text {-xylene }}\) (B) \((\pi \text {-bond })_{o \text {-xylene }}<(\pi \text {-bond })_{p \text {-xylene }}\) (C) \(\mathrm{IHD}_{o \text {-xylene }}>(\pi \text {-bond })_{p \text {-xylene }}\) (D) \((\sigma \text {-bond })_{o \text {-xylene }}>(\pi \text {-bond })_{p \text {-xylene }}\)

The compound having molecular formula \(\mathrm{C}_{6} \mathrm{H}_{6}\). The correct statement is/are (A) It must be benzene (B) It must be cyclic (C) It must be hydrocarbon (D) It must have 4 double bond equivalent

The general formula \(\mathrm{C}_{n} \mathrm{H}_{2 n-2}\) may represent (A) Allene (B) Alkyne (C) Bicycloalkane (D) Cycloalkene

Total possible acyclic hydrocarbon alkane with minimum number of carbon which have all \(1^{\circ}, 2^{\circ}, 3^{\circ}\) and \(4^{\circ}\) carbon is (A) 1 (B) 2 (C) 3 (D) 5