Which of the following is a strong acid in water? a) HF b) HI c) H3PO4 d) H2CO3 e) HClO2 Strong acid:- Acidic strength is defined by their pka value. The acid must be stronger in aqueous solution than a hydronium ion. Concentration of hydronium ion in a str...
Which of the following acids is the strongest? A. Citric acid in lemons B. Acetic acid in vinegar C. Hydrochloric acid in stomach D. Carbonic acid in soda 相关知识点: 试题来源: 解析 C。解析:柠檬中的柠檬酸、醋中的醋酸、汽水中的碳酸都是弱酸,而胃中的盐酸是强酸,酸性相对更强,所以C正确...
of England.A bog is a very wet area of earth, with a lot of plants growing in it.It can be like a very big and very thick vegetable soup—walk in the wrong place and you can sink and disappear forever.The men were working when one of them saw something sticking out—a human foot...
a当人们明白我所表达的意思时,我会没有耐心去解释 When the people understood I express when meaning, I can not have the patience to explain[translate] a下列选项哪些是酸碱滴定指示剂? Following option which are the acid and alkali titrate indicator?[translate]...
Which of the following is the strongest acid? (a) {eq}\displaystyle \rm CH_3COOH {/eq} (b) {eq}\displaystyle \rm HF {/eq} (c) {eq}\displaystyle \rm H_3PO_4 {/eq} (d) {eq}\displaystyle \rm H_2SO_3 {/eq} (e) {eq}\displaystyle \r...
Which of the following is a double salt? View Solution Which of the following is an anhydrous salt? View Solution Exams IIT JEE NEET UP Board Bihar Board CBSE Free Textbook Solutions KC Sinha Solutions for Maths Cengage Solutions for Maths ...
-acid ligand? ANH3 BCO CF− Dethylene diamine.Submit Which of the following is π acid ligand ? ANH3 BCO CF− DH2N−CH2−CH2−NH2Submit Which of the following is not acid ligand? ACO BF− CC2H4 DNO+Submit Which of the following is a bidentate ligand? View Solution Which of...
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The indicator turns red in an acidic solution. Which of the following is not an acidic solution? A. lemon juice B. vinegar C. soda water D. dilute hydrochloric acid 相关知识点: 试题来源: 解析 C。指示剂在酸性溶液中变红。下列哪个不是酸性溶液?苏打水不是酸性溶液。A 选项柠檬汁是酸性的...
Question. Which of the following is the correct decreasing order of acidic strength of(i) methanoic acid (ii) ethanoic acid(iii) propanoic acid (iv) butanoic acid a(a)(i)(ii)(iii)(iv)(b)(ii)(iii)(iv)(i)(c)(i)(iv)(iii)(ii)(d)(iv)(i)(iii) (ii) 相关知识点: 试题来源...