When ethyl hydrogen sulphate is heated with excess of alcohol at 410K, the product obtained is
Which alkene is formed from the following ylide carbonyl pair?
CH₃CH₂CH₂CH═PPh₃ + 2-butanone
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Which of the following monosaccharides is a pentose?
On hydrolysis of chloroform with aqueous potassium hydroxide, the final product obtained is
Reaction of benzene with alkyl halide in the presence of anhydrous AlCl3 is called
Mixture of sand and sulphur may best be separated by
The greater the s- character in an orbital the ... is its energy
A carboxylic acid is converted into its anhydride using
When Zn dust is added to sufficienly large volume of aqueous solution of copper sulphate 3.175 g of copper metal and 20 J of heat is evolved. ∆H of reaction permol of Cu is
For reaction at equilibrium, Le Chatelier's principle predicts the effects of
Which of these does not influence the rate of reaction?
What is the order of stability for
I.1-butene; II.cis-2-butene; III.trans-2-butene
Let electronegativity, ionisation energy and electron affinity be represented as EN, IP and EA respectively. Which one of the following equation is correct according to Mulliken?
Standard reduction potentials of Sn2+ | Sn and Zn2+ | Zn electrodes are -0.14 V and -0.74 V respectively. What is the Eº of the following cell in volts?
Zn | Zn2+ || Sn2+ | Sn
Which of the following will have fastest rate of reaction with Br₂/FeBr₃?
To suppress the dissociation of acetric acid , the compound to be added to it is
Which among the following will not show chain isomerism?
Target nucleus A is converted to product nucleus B by (p, n) reaction : A (p, n) B.
When benzenediazonium chloride is treated with water, the compound formed is
Arrange these compounds in order of increasing SN2 reaction rate :
Which of the following is a bio-degradable polymer?
For the separation of two immiscible liquids which method is used ?
A compound contains atoms of three elements : A,B and C. If the oxidation number of A is + 2, B is + 5 and that of C is -2, the possible formula of the compound is