An alkali metal hydride (NaH) reacts with diborane in 'A’ to give a tetrahedral complex 'B' which is extensively used as reducing agent in organic synthesis. The compounds 'A' and 'B' respectively are
BRILLIANT PUBLICATION|Exercise LEVEL - II (Assertion-Reason)|5 Videos
CHEMICAL BONDING
BRILLIANT PUBLICATION|Exercise LEVEL-III ( Linked Comprehension Type )|12 Videos
Similar Questions
Explore conceptually related problems
An organic compound A reacts with CH_3MgI to form an addition product which on hydrolysis forms the compound B. Compound B gives blue coloured salt in Vịctor Meyer's test. The compounds A and B respectively are : Acetaldelyde. tertiary butyl atcohol, Acetaldehyde, ethyl alcohol, Acetaldehyde, isopropylalcohol, Acetone, isopropyl alcohol
An aqueous blue coloured solution of a transition metal sulphate reacts with H2S in acidic medium to give a black precipitate A, which is insoluble in warm aqueous solution of KOH. The blue solution an treatment with KI is weakly acidic medium, turns yellow and produces a white precipitate B. Identify the transition metal ion. Write the chemical reactions involved in the formation of A and B.
Starch on enzymatic hydrolysis by diastase gives a reducing disaccharide ‘A’ which undergoes hydrolysis by enzyme maltase to form ‘B’ which is also a reducing sugar. 1. Identify the compound ‘A’ and ‘B’ with suitable chemical equations. 2. Explain the term reducing sugar.
a. A blackish brown coloured solid A when fused with alkali metal hydroxides in presence of air produces a dark green coloured compound B which on electrolytic.oxidation in alkaline medium gives a dark purple coloured compound C. Identify A, B and C and write the reactions involved. (b) what happens when an acidic solution of the green compotind 'B' is allowed to stand for sometime? Give the equations involved. What is this type of reaction called?
An organic compound A reacts with metalic sodium in ether medium to form ethane. A also reacts with magnesium in ether medium to give B, which on hydrolysis gives methane. Identify A and B. Write down the chemical equation involved.
a) Which ores are for calcination and roasting? b) Give examples for reducing agents for reducing iron ores. c) Which is the strongest reducing agent.
The symbols of some metals are given below. Pb, Fe, Sn, Na, Au a) Which metal is produced by using electricity as reducing agent? b) Which metal exist in the free state? c) Which compounds of these metals are more stable?
Primary alkyl halide. C_4H_9Br ‘A’ reacted with alcoholic KOH to give compound 'B' .‘B’ Is reacted with HBr to give 'C’ which is an isomer of ‘A’. Give the structure of A, B and C.
A compound A reacts with thionyl chloride to give compound B. B reacts with magnesium in ether medium to form a Grignard reagent which is treated with acetone and the product on hydrolysis givesIdentify A and B. Write down the chemical equations for the reactions involved.
BRILLIANT PUBLICATION-CHEMICAL AND IONIC EQUILIBRIUM-Level - III (Linked Comprehension Type Questions)
