Chemistry
Identify the following
(a) The reaction by which salt and water is formed.
(b) The metal which is kept in kerosene oil due to its high reactivity.
(c) A base which is soluble in water.
(d) A gas is evolved when liquor ammonia is exposed to air.
(e) A colourless gas which becomes reddish brown when it comes in contact with atmosphere.
Related Questions
Complete the following by choosing the correct answer from the bracket.
(a) On moving down the group electron affinity …………… (increases/decreases).
(b) The functional group present in acetic acid is …………… (-COOH/-OH/-CHO)
(c) …………… (Concentrated sulphuric acid/Dilute sulphuric acid) is a weak acid and a good electrolyte.
(d) Compounds which contains one —COOH group are known as …………… (monocarboxylic acid/dicarboxylic acid).
(e) Quicklime is not used to dry HCl gas because CaO is …………… (alkaline/acidic) in nature.
Match the following Column I with Column II
Column I Column II (a) Acidic salt 1. Basic copper chloride (b) Non-polar compound 2. Liquid ammonia (c) Ostwald's process 3. Nitric ammonia (d) Used as refrigerant 4. Sodium hydrogen sulphite (e) Basic salt 5. Carbon tetrachloride (a) Draw the structural formula for the following.
(1) But-1-ene
(2) Butanoic acid
(3) Propanol
(b) Name the following organic compounds in IUPAC system
Identify the reactant and write the balanced equation for the following.
Sodium ethanoate reacts with compound Q to give a strong base Na2CO3 and CH4.