Molecule $\quad$ $\quad$ Shape or geometry of molecule
- A$NH _{3}$ $\quad$ $\quad$ Trigonal pyramidal
- ✓$PCl _{5}$ $\quad$ $\quad$ Trigonal planar
- C$SF _{6}$ $\quad$ $\quad$ Octahedral
- D$BeCl _{2}$ $\quad$ $\quad$ Linear

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[Assume : No cyano complex is formed; $K _{ sp }( AgCN )$ $=2.2 \times 10^{-16}$ and $\left. K _{ a }( HCN )=6.2 \times 10^{-10}\right]$
Choose the correct answer from the options given below:
$6CO_2 + 6H_2O + solar energy \to C_6H_{12}O_6+6O_2$
A blue whales gain $75\ kg$ of mass per day by feeding on krill. The whale must consume ten times this mass of krill each day. The krill must consume $10.0\ kg$ of diatoms to produce $1.0\ kg$ of krill. Assuming that the mass gain of a whale's life is due to the consumption of carbohydrates $(C_6H_{12}O_6)$ , calculate the moles of $CO_2$ that must be used by the diatoms to produce the carbohydrates consumed by a blue whale in a day