MCQ
Product $(P)$ is


- A

- ✓

- C

- DNone of these





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$O\left( g \right) + {e^ - } \to O_{\left( g \right)}^ - \,\,\,\,;\,\,\,\,{\Delta _f}{H^\Theta } = - 141\,kJ\,mo{l^{ - 1}}$
${O^ - }\left( g \right) + {e^ - } \to O_{\left( g \right)}^{2 - }\,\,\,\,;\,\,\,\,{\Delta _f}{H^\Theta } = + 780\,kJ\,mo{l^{ - 1}}$
Thus process of formation of $O_2^-$ in gas phase is unfavourable even thought $O_2^-$ is isoelectronic with neon. It is due to the fact that,
|
List$-I$ (Si-Compounds) |
List$-II$ (Si-Polymeric/other products) |
| $(A)$ $\left( CH _{3}\right)_{4} Si$ | $(I)$ Chain silicone |
| $(B)$ $\left( CH _{3}\right) Si ( OH )_{3}$ | $(II)$ Dimeric silicone |
| $(C)$ $\left( CH _{3}\right)_{2} Si ( OH )_{2}$ | $(III)$ Silane |
| $(D)$ $\left( CH _{3}\right)_{3} Si ( OH )$ | $(IV)$ $2 D$ - Silicone |
Choose the correct answer from the options given below
Incorrect statement for $Q$ is