111年hce_nchu 化學考古題

#1 Which of the following statements is FALSE? ›

#2 Write the name for $Sn(SO_4)_2$. Remember that Sn forms several ions. ›

#3 What is the chemical formula for magnesium hydride? ›

#4 Which of the following compounds is soluble in water? ›

#5 Which of the gases in the graph below has the largest molar mass? ›

#6 Which of the following statement is TRUE? ›

#7 Which of the following statement is TRUE? ›

#8 Choose the valence orbital diagram that represents the Si. ›

#9 Predict the charge for the most stable ion of nitrogen ›

#10 Choose the compound below that should have the highest melting point according t… ›

#11 Draw the Lewis structure for $NO_2^-$ including any valid resonance structures.… ›

#12 Place the following in order of decreasing X-A-X bond angle, where A represents… ›

#13 Draw the Lewis structure for $BrF_4^-$. What is the hybridization on the Br atom… ›

#14 Using the VSEPR model, the molecular geometry of the central atom in $SO_2$ is _… ›

#15 Place the following substances in order of increasing vapor pressure at a given… ›

#16 Which of the following compounds exhibits only dispersion and dipole-dipole inte… ›

#17 Which of the following statements is TRUE? ›

#18 Consider the following reaction at equilibrium. What will happen if we add more… ›

#19 Which Brønsted-Lowry acid is not considered to be a strong acid in water? ›

#20 Which of the following is a Lewis acid? ›

#21 When titrating a weak monoprotic acid with NaOH at $25^{\circ}C$, the ›

#22 Which of the following statements is TRUE? ›

#23 What statement is NOT true about standard electrode potentials? ›

#24 What will happen during gamma ray emission. ›

#25 Identify the element that is not used as a radioactive tracer. ›

#26 How many chiral centers are there in the following molecule? ›

#27 Which of compounds can be reduced by sodium borohydride ? ›

#28 Among the following compounds, how many are aromatic? ›

#29 Predict the major product of the following reaction: ›

#30 Which reagent(s) are necessary to carry out the following reaction ? ›

#31 Which of the following reagents would convert 2-butanol into 2-bromobutane ? ›

#32 Choose the possible process to produce Isobutylbenzene. ›

#33 Which is major product of following reaction? ›

#34 Please order following compounds with aromaticity. ›

#35 Which process of following reaction is incorrect ? ›

#36 There is a IR absorption at $1747 cm^{-1}$, what structure would you expect? ›

#37 Which is major product of following reaction ? ›

#38 Identify the reagents of the following transformation: ›

#39 Predict the major product of the following reaction: ›

#40 Predict the major product of the following reaction: ›

#41 Which of the following reactions is not correct ? ›

#42 Predict the product of the following reaction: ›

#43 Predict the product of the following reaction: ›

#44 Identify the reagents and products of the following transformation: ›

#45 Predict the products of the following reaction: ›

#46 Predict the product of the following reaction: ›

#47 Identify the reagents of the following transformation: ›

#48 Which compound can not undergo an E2 reaction ? ›

#49 Which of the following reactions is correct ? ›

#50 Assign R or S configuration in the following molecules. ›

111年hce_nchu — 化學