Which of the following reagents on reaction with ethyl bromide would yield diethyl ether as the major product?
a) Aqueous KOH
b) Alcoholic KOH
c) Dry silver oxide
d) Sodium ethoxide

Which of the following reactions will not yield alcohol as the major product ?

2-Bromo-3,3- dimethylbutane on reaction with aqueous KOH yields X as the major product. X is

The product of the reaction of ethyl bromide with dry silver oxide in ethanol is the functional isomer of:

Which of the following is food preservatives : (a) Salt of sorbic acid (b) Sodium benzoate (c ) Ethyl benzoate (d) Alcohol

Which of the following compounds will not yield amine on reaction with Br_(2),NaOH ? (A) Ethanamide (B) Benzamide (C) N-Methyl ethanamide (D) All of these

Identify A to E. Pyrolusite on heating with KOH in the presence of air gives a dark green compound (A). The solution of (A) on treatment with H_2SO_4 gives a purple coloured compound (B) , which gives the following reactions: (a). KI on reaction with alkaline solution of (B) changes into a compound (C). (b). The colour of the compoud (B) disappears on treatment with the acidic solution of FeSO_4 . (c). With conc. H_2SO_4 compound (B) gives (D) which can compose to yield (E) and oxygen.

In the following questions, a statement of assertion (A) is following by a statement of reason (R ) A: on reaction with alcoholic KOH gives R: Bond energy of C-D bond is less than of C-H bond.

A compound A with molecular formula C_(15)H_(13)Cl gives a white precipitate on adding silver nitrate solution A on reacting with alcoholic KOH gives compound B as the main product. B on ozonolysis gives C and C gives Cannizaro reaction but not aldol condensation. D gives aldol condensation but not Cannizaro react A is :

Which of the following statements is correct regarding redox reactions ? (A)An increase in oxidation number of an element is called reduction (B)A decrease in oxidation number of an element is called oxidation. (C)A reagent which lowers the oxidation number of an element in a given substance is reductant. (D)A reagent which increases the oxidation number of an element in a given substance is reductant