Which of the following hydrides is electron-deficient?
- A$NaH$
- B$CaH_2$
- C$CH_4$
- D$B_2H_6$
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Which of the following is incorrect for physisorption?
In an ideal gas at temperature $T$,the average force that a molecule applies on the walls of a closed container depends on $T$ as $T^q$. $A$ good estimate for $q$ is:
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$AlCl_3$ is:
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