The sum of total number of carbonyl groups ($> {C}= {O}$) present in the major products X and Y in the following reactions is _____.
Treatment of buta-1,3-diyne with NaNH2 (2 equivalents), followed by reaction with excess of trans-CH3-CH=CH-CH2-Br gives X as the major product. The maximum number of carbon atoms that are collinear (in a straight line) in X is _____.
List-I contains various physical/chemical processes, and List-II contains combinations of changes in enthalpy ($\Delta H$) and entropy ($\Delta S$). Match each entry in List-I to the appropriate entry in List-II, and choose the correct option.
| List-I | List-II |
|---|---|
| (P) Physisorption | (1) $$\Delta H > 0 \text{ and } \Delta S > 0$$ |
| (Q) Diamond $\rightarrow$ Graphite | (2) $$\Delta H < 0 \text{ and } \Delta S < 0$$ |
| (R) Denaturation of protein | (3) $$\Delta H < 0 \text{ and } \Delta S = 0$$ |
| (S) Propene $\rightarrow$ Cyclopropane | (4) $$\Delta H > 0 \text{ and } \Delta S < 0$$ |
| (5) $$\Delta H < 0 \text{ and } \Delta S > 0$$ |
Consider the following species:
SOCl$_2$, XeOF$_4$, ClF$_3$, ClF$_5$, XeF$_5^+$, SO$_3^{2-}$, XeF$_3^+$, SF$_4$
List-I contains different molecular shapes and List-II contains total number of species with the same molecular shapes from the given species. Match each entry in List-I with the appropriate entry in List-II and choose the correct option.
| List-I | List-II |
|---|---|
| (P) See-saw | (1) one |
| (Q) T-Shaped | (2) two |
| (R) Trigonal Planar | (3) three |
| (S) Square Pyramidal | (4) four |
| (5) zero |
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