Which of the following is an appropriate set of reactants for the preparation of 1-methoxy-4-nitrobenzene and why? View Solution Which of the following is an appropriate set of reacnts for the preparation of 1-
A. GABA receptor is Cl- permeable B. NMDA receptor is Na+, K+, and Ca2+ permeable C. AMPA receptor is Na+ and Ca2+ permeable D. Receptor tyrosine kinase is one of the second messengers of metabotropic glutamate receptor 相关知识点: ...
An atom of which of the following elements has the largest second ionization energy and why? a) Si b) Na c) S d) Mg e) ClWhich of the following atoms would have the highest first ionization energy? A. Li B. Be C. Na D. MgWhich of the following has the...
At pH 4, what is the predominant form of an arsenate ion? Which of the following is an acidic salt? (a) N a C l (b) N a 3 P O 4 (c) N a 2 H P O 4 (d) C H 3 C O O N a (e) C a C O 3 Which...
()5.Observation is as important as communication when you want to know what people really think. ()根据下方的描述选择对应的沟通方式。1. a written or prin 22、ted message to a person or group, usually sent by mail in an envelope(letter)2. the writing, sending, and receiving of messages...
Which of the following is the most covalent in nature ? View Solution In each of the following pairs of ions in which I ion is more stable than II View Solution Exams IIT JEE NEET UP Board Bihar Board CBSE Free Textbook Solutions
Think of it as an automated trade. Spending without the trouble of spending. Acquaint ion without action. Or thought But while this flood of subscriptions was sold to me on the condition that it would make my life more trouble- free, there was a certain shock I felt upon discovering how ...
D9. Which of the following is TRUE about Ecundor's nction to protect the ocean? A. “Underwater highway” helps animals travel fuster. B. I'cople can never fish in the reserve. C. All oceans in Ecundor are cut into two parts. D. The reserve is built to stop "long line” f...
Which of the following ions is/are aromatic? Aromaticity:According to the Huckel, the molecule having (4n+2)π delocalising electrons are consider as aromatic. For a molecule to be aromatic, it should be planar. It should have sp2 hybridization....
an Uncle Tom 11. A white night refers to a.__ night A. Sad B.sweet C.bappyD. sleepless 12.The English equivalent for“古铜色”is“_” A.as brown as coffee B.as brown as copper C.as brown as a bear D. as brown as a berry 13. Which of the following is the appropriate reply...