Diborane(4) is a transient inorganic compound with the chemical formula B 2 H 4.Stable derivatives are known. We have Provided Carbon and Its Compounds Class 10 Science MCQs Questions with Answers to help students understand the concept very well. Reaction of propene with diborane followed alkaline hydrolysis in the presence of hydrogen peroxide gives, Primary, secondary and tertiary alcohols can be distinguished by, The correct decreasing order of $pK_a$ is, In Wolff‐Kishner reduction, the carbonyl group of aldehydes and ketones is converted into. View Solution play_arrow; question_answer34) Hydrogen combines with other elements by . Nitrogen ; Gas to wash gas pipes, vacuum pumps, fit-tings. On electrolysis of dil.sulphuric acid using Platinum (Pt) electrode, the product obtained at anode will be: An element has a body centered cubic (bcc) structure with a cell edge of 288 pm. Correct answer is option 'B'. By continuing, I agree that I am at least 13 years old and have read and Phenol is distilled with Zn dust followed by Fridel Crafts alkylation with propyl chloride in the presence of $AlCl_3$ to give a compound (B). As such Mn^(2+) does not liberate hydrogen gas on reaction with dilute acids. The boiling point of $p$-nitrophenol is higher than that of $o$-nitrophenol because. Herewith is the reactivity series for the reference: Only Aluminium reacts with very dilute Nitric Acid to produce H2. Can you explain this answer? EduRev is a knowledge-sharing community that depends on everyone being able to pitch in when they know something. The compound (X) liberates hydrogen gas when treated with so. Q. eg. For example: (i) Synthesis of ammonia: A mixture ofN 2 and H 2 in the ratio of 1:3 compressed to 200 atmospheres and heated to 673 K in the presence of a catalyst is used for the manufacture of ammonia in Haber's process. A) Nitrogen done clear. D) Calcium done clear. Diborane(4) has been produced by abstraction of two hydrogen atoms from diborane(6) using atomic fluorine and detected by photoionization mass spectrometry. Diborane is a key boron compound with a variety of applications. Can you explain this answer? agree to the. B) Chlorine done clear. Copper, silver, gold and platinum being less reactive than hydrogen cannot displace hydrogen from acids. Hydrogen is required for the synthesis of a number of industrial products and thus, affects the economy of a country. Metals having high standard reduction potential values can not liberate hydrogen gas from dilute acids. Which alcohol reacts fastest and by what mechanism? Diborane(6), generally known as diborane, is the chemical compound consisting of boron and hydrogen with the formula B 2 H 6. Answer. This discussion on Which of the following compounds liberates hydrogen gas on reacting with sodium metal?a) C6H6 b) C2H2 c) C2H4 d) C2H6 Correct answer is option 'B'. Cu, Au , Ag, Hg etc. Which one of the following phenols has the highest $pK_a$ value? Diborane (B2H6) is a highly reactive boron hydride, which was once considered as a possible rocket fuel for the U.S. space program. Can you explain this answer? 214 views. MCQ Questions for Class 10 Science with Answers were prepared based on the latest exam pattern. The element can be . Answers of Which of the following compounds liberates hydrogen gas on reacting with sodium metal?a) C6H6 b) C2H2 c) C2H4 d) C2H6 Correct answer is option 'B'. Reactive metals,having low standard reduction potential values can liberate hydrogen gas from dilute acids and bases. Synonyms include boroethane, boron hydride, and diboron hexahydride. An element reacts with hydrogen to form a compound A which on treatment with water liberates hydrogen gas.The element can be (a) Cl (b) Se (c) N (d) Ca. You can study other questions, MCQs, videos and tests for NEET on EduRev and even discuss your questions like Which of the following compounds liberates hydrogen gas on reacting with sodium metal? Compound (Z) on treatment with methylamine and alcoholic KOH yield a compound which is isomer of C H 3 C N . Compound (Y) ontreatment with NaOH + I2 gives (Z). Question bank for NEET. Preparation of cryopumps (Argon frosting) other applications . Diborane, Silane, Methane, Gases for a coating of the plasma vessel wall, gas for cryopumps ; Argon . These metals include sodium, potassium, lead and zinc. It has attracted wide attention for its electronic structure. Mn^(2+) does not liberate hydrogen gas on reaction with dilute acids These are transition metals and reactivity decreases as we move from Ti^(2+) to V^(2+) to Cr^(2+) and finally Mn^(2+) in the fourth row of periodic table. $\ce{C6H5OH ->[(i)\,CCl_4, NaOH][(ii)\, dil. Question 11: Question 12: Elements of which of the following group(s) of periodic table do not form hydrides? What is $Z$ ? Identify the correct statement(s) : Identify the correct statement(s) : asked Jul 3, … An element reacts with hydrogen to form a compound A which on treatment with water liberates hydrogen gas. Compound(Z) on treatment with methylamine and alcoholic KOH yield a compound which is isomer of CH3CN.What is the structure of the compound (X) ? However, with very dilute HNO3 magnesium produces hydrogen gas. soon. In which of the following methods of preparation of diborane, hydrogen gas is obtained as byproduct ? The resultant alkaline solution again liberates the same gas , when heated with zinc powder. Apart from being the largest NEET community, EduRev has the largest solved Compound (Y) ontreatment with N a O H + I 2 gives (Z). (a) $CO_2(g)$ is used as refrigerant for ice-cream and frozen food. Calculate ΔH for the synthesis of diborane from it elements, according to the equation: 2B(s) + 3H2(g) B2H6(g) ? An unknown alcohol is treated with the Lucas reagent to determine whether the alcohol is primary, secondary or tertiary. The Questions and Reaction between acetone and methyl magnesium chloride followed by hydrolysis will give : Identify the correct statements from the following: Given that the ionic product of $Ni(OH)_2$ is $2 \times 10^{-15}$.
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