Degree of unsaturation of drawn compounds

14 questions on Degree of unsaturation of drawn compounds from the Structural Identification and Practical Organic Chemistry chapter: 4 NEET level, 7 JEE Main, 3 JEE Advanced. Each one opens with its answer and solution.

• What is the degree of unsaturation (rings plus pi bonds) of the compound shown? NEET level, drawn structure
• The degree of unsaturation of the compound shown is NEET level, drawn structure
• The compound shown reacts with one mole of H2 over Pd/C to give a saturated product. Its degree of unsaturation is NEET level, drawn structure
• Count the rings and pi bonds in the compound shown. Its degree of unsaturation is NEET level, drawn structure
• What is the degree of unsaturation of the compound shown? JEE Main level, drawn structure
• The degree of unsaturation of the compound shown (the nitro group counts as one N=O pi bond, N taken as trivalent in the formula method) equals that of the mole... JEE Main level, drawn structure
• The compound shown has no multiple bonds. Its degree of unsaturation, equal to the number of rings, is JEE Main level, drawn structure
• Find the degree of unsaturation of the compound shown, as an integer (rings plus pi bonds; each C=O counts as one). JEE Main level, drawn structure
• For the compound shown, select all correct statements. JEE Advanced level, drawn structure
• For the compound shown, use the molecular-formula method, DBE = C + 1 + N/2 - (H+X)/2 (O and S ignored). The DBE obtained is JEE Advanced level, drawn structure
• The reactant shown is hydrogenated completely (every C=C, the C=O and the benzene ring) with excess H2 over Ni at high pressure and temperature. Give the degree... JEE Advanced level, drawn structure
• One of the structures shown has degree of unsaturation 4 and is acyclic. Which one? JEE Main level, drawn structure
• The compound shown is treated with excess Br2 in CCl4 in the dark, which adds to every non-aromatic C=C. What is the degree of unsaturation of the product? JEE Main level, drawn structure
• Select all of the structures shown that have a degree of unsaturation of 4. The compound drawn under the question is a reference with the same degree of unsatur... JEE Main level, drawn structure